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71dce47f07
1434323 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
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71dce47f07
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batman-adv: tp_meter: fix race condition in send error reporting
batadv_tp_sender_shutdown() previously used two separate variables to track
session state: sending (an atomic flag indicating whether the session was
active) and reason (a plain enum storing the stop reason). This introduced
a race window between the two writes: after sending was cleared to 0,
batadv_tp_send() could observe the stopped state and call
batadv_tp_sender_end() before reason was written, causing the wrong stop
reason to be reported to the caller.
Fix this by consolidating both variables into a single atomic send_result,
which holds 0 while the session is running and the stop reason once it
ends.
Cc: stable@kernel.org
Fixes:
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f50487e356
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batman-adv: tvlv: reject oversized TVLV packets
batadv_tvlv_container_ogm_append() builds a TVLV packet section from
the tvlv.container_list. The total size of this section is computed by
batadv_tvlv_container_list_size(), which sums the sizes of all registered
containers.
The return type and accumulator in batadv_tvlv_container_list_size() were
u16. If the accumulated size exceeds U16_MAX, the value wraps around,
causing the subsequent allocation in batadv_tvlv_container_ogm_append()
to be undersized. The memcpy-style copy that follows would then write
beyond the end of the allocated buffer, corrupting kernel memory.
Fix this by widening the return type of batadv_tvlv_container_list_size()
to size_t. In batadv_tvlv_container_ogm_append(), check the computed length
against U16_MAX before proceeding, and bail out as if the allocation had
failed when the limit is exceeded.
Cc: stable@kernel.org
Fixes:
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5013685065
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batman-adv: tvlv: abort OGM send on tvlv append failure
batadv_tvlv_container_ogm_append() could fail in two ways: a memory
allocation failure when resizing the packet buffer, or the tvlv data
exceeding U16_MAX bytes. In both cases the function previously returned the
old (now stale) tvlv_value_len rather than signalling an error, causing the
OGM/OGM2 send path to transmit a packet whose TVLV length field no longer
matched the actual buffer contents. And because it also didn't fill in the
new TVLV data, sending either uninitialized or corrupted data on the wire.
All errors in batadv_tvlv_container_ogm_append() must be forwarded to the
caller. And the caller must abort the send of the OGM2. For B.A.T.M.A.N.
IV, it is currently not allowed to abort the send. The non-TVLV part of the
OGM must be queued up instead.
Cc: stable@kernel.org
Fixes:
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f8ce8b8331
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batman-adv: v: stop OGMv2 on disabled interface
When a batadv_hard_iface is disabled, its mesh_iface pointer is set to
NULL. However, batadv_v_ogm_send_meshif() may still dispatch OGMs via
batadv_v_ogm_queue_on_if() for interfaces that have since lost their
mesh_iface association. This results in a NULL pointer dereference when
batadv_v_ogm_queue_on_if() unconditionally calls netdev_priv() on the
now NULL hard_iface->mesh_iface to retrieve the batadv_priv.
It is necessary to ensure that the batadv_v_ogm_queue_on_if() checks that
it is using the same mesh_iface for which batadv_v_ogm_send_meshif() was
called.
Cc: stable@kernel.org
Fixes:
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0039ac8305
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batman-adv: fix batadv_skb_is_frag() kernel-doc
The kernel-doc comment for batadv_skb_is_frag() contained two errors:
* the function description referred to "gain a unicast packet" instead
of "contains unicast fragment".
* the Return section omitted "merged" from "newly skb", leaving the
description grammatically incorrect and inconsistent with the
function description.
Fixes:
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d5487249a8
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batman-adv: tp_meter: directly shut down timer on cleanup
batadv_tp_sender_cleanup() was calling timer_delete_sync() followed by
timer_delete() to guard against the timer handler re-arming itself between
the two calls. This double-deletion hack relied on the sending status being
set to 0 to suppress re-arming.
Replace both calls with a single timer_shutdown_sync(). This function both
waits for any running timer callback to complete (like timer_delete_sync())
and permanently disarms the timer so it cannot be re-armed afterwards,
making re-arming prevention unconditional and self-documenting.
The re-arming property is also required because otherwise:
1. context 0 (batadv_tp_recv_ack()) checks in
batadv_tp_reset_sender_timer() if sending is still 1 -> it is
2. context 1 changes in batadv_tp_sender_shutdown() sending to 0 and in
this process forces the kthread to stop timer in
batadv_tp_sender_cleanup()
3. context 0 continues in batadv_tp_reset_sender_timer() and rearms the
timer -> but the reference for it is already gone
Cc: stable@kernel.org
Fixes:
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bc62216dc8
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batman-adv: frag: disallow unicast fragment in fragment
batadv_frag_skb_buffer() is called by batadv_batman_skb_recv() when a
BATADV_UNICAST_FRAG packet is received. Once all fragments are collected
and the packet is reassembled, batadv_recv_frag_packet() calls
batadv_batman_skb_recv() again to process the defragmented payload.
A malicious sender can craft a BATADV_UNICAST_FRAG packet whose reassembled
payload is itself a BATADV_UNICAST_FRAG packet (matryoshka-style nesting).
Each nesting level recurses through batadv_batman_skb_recv() without bound,
growing the kernel stack until it is exhausted.
Since refragmentation or fragments in fragments are not actually allowed,
discard all packets which are still BATADV_UNICAST_FRAG packets after the
defragmentation process.
Cc: stable@kernel.org
Fixes:
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6c65cf23d4
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batman-adv: tp_meter: avoid use of uninit sender vars
batadv_tp_recv_ack() and batadv_tp_stop() are only valid for tp_vars in the
BATADV_TP_SENDER role. When called with a BATADV_TP_RECEIVER role, it
proceeds to read sender-only members that were never initialized, leading
to undefined behavior.
This can be triggered when a node that is currently acting as a receiver in
an ongoing tp_meter session receives a malicious ACK packet.
Guard against this by checking tp_vars->role immediately after the
lookup and bailing out if it is not BATADV_TP_SENDER, before any of
those members are accessed.
Cc: stable@kernel.org
Fixes:
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2d8826a2d3
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batman-adv: dat: handle forward allocation error
batadv_dat_forward_data() calls pskb_copy_for_clone() to duplicate an skb
for each DHT candidate, but does not check the return value before passing
it to batadv_send_skb_prepare_unicast_4addr(). That function dereferences
the skb unconditionally, so a failed allocation triggers a NULL pointer
dereference.
Skip forwarding to the current DHT candidate on allocation failure.
Cc: stable@kernel.org
Fixes:
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a340a51ed8
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batman-adv: clear current gateway during teardown
batadv_gw_node_free() removes the gateway list entries during mesh teardown,
but it does not clear the currently selected gateway. This leaves stale
gateway state behind across cleanup and can break a later mesh recreation.
Clear bat_priv->gw.curr_gw before walking the gateway list so the selected
gateway reference is dropped as part of teardown.
Fixes:
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9cd3f16c32
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batman-adv: fix fragment reassembly length accounting
batman-adv keeps a running payload length for queued fragments and uses it
to validate a fragment chain before reassembly.
That accounting currently allows the accumulated fragment length to be
truncated during updates. As a result, malformed fragment chains can
bypass the intended validation and drive reassembly with inconsistent
length state, leading to a local denial of service.
Fix the accounting by storing the accumulated length in a length-typed
field and rejecting update overflows before the existing validation logic
runs.
The fix was verified against the original reproducer and against valid
fragment reassembly paths.
Fixes:
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99d9958fa1
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batman-adv: tt: prevent TVLV entry number overflow
The helpers to prepare the buffers for the local and global TT based
replies are trying to sum up all TT entries which can be found for each
VLAN. In theory, this sum can be too big for an u16 and therefore overflow.
A too small buffer would then be allocated for the TVLV.
The too small buffer will be handled gracefully by
batadv_tt_tvlv_generate() and is not causing a buffer overflow - just a
truncated reply. But this overflow shouldn't have happened in the first and
the too small buffer should never have been allocated when an overflow was
detected.
Cc: stable@kernel.org
Fixes:
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fa1bd70494
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batman-adv: tt: avoid empty VLAN responses
The commit |
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94d2700501
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batman-adv: tt: fix TOCTOU race for reported vlans
The local TT based TVLV is generated by first checking the number of VLANs
which have at least one TT entry. A new buffer with the correct size for
the VLANs is then allocated. Only then, the list of VLANs s used to fill
the VLAN entries in the buffer. During this time, the meshif_vlan_list_lock
is held. But the actual number of TT entries of each VLAN can still
increase during this time - just not the number of VLANs in the list.
But the prefilter used in the buffer size calculation might still cause an
increase of the number of VLANs which need to be stored. Simply because a
VLAN might now suddenly have at least one entry when it had none in the
pre-alloc check - and then needs to occupy space which was not allocated.
It is better to overestimate the buffer size at the beginning and then fill
the buffer only with the VLANs which are not empty.
Cc: stable@kernel.org
Fixes:
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fc92cdfcb2
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batman-adv: tt: fix negative last_changeset_len
batadv_piv_tt::last_changeset_len len was declared as s16, but the field is
never intended to hold a negative value. When a value greater than 32767 is
assigned, it wraps to a negative signed integer.
In batadv_send_my_tt_response(), last_changeset_len is temporarily widened
to s32. The incorrectly negative s16 value propagates into the s32, causing
batadv_tt_prepare_tvlv_local_data() to allocate a full sized buffer but
populates only a small portion of it with the collected changeset. All
remaining bits are kept uninitialized.
Using an u16 avoids this type confusion and ensures that no (negative) sign
extension is performed in batadv_send_my_tt_response().
Cc: stable@kernel.org
Fixes:
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b64963a2ce
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batman-adv: tt: fix negative tt_buff_len
batadv_orig_node::tt_buff_len was declared as s16, but the field is never
intended to hold a negative value. When a value greater than 32767 is
assigned, it wraps to a negative signed integer.
In batadv_send_other_tt_response(), tt_buff_len is temporarily widened to
s32. The incorrectly negative s16 value propagates into the s32, causing
batadv_tt_prepare_tvlv_global_data() to allocate a full sized buffer but
populates only a small portion of it with the collected changeset. All
remaining bits are kept uninitialized.
Using an u16 avoids this type confusion and ensures that no (negative) sign
extension is performed in batadv_send_other_tt_response().
Cc: stable@kernel.org
Fixes:
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1e9fab756f
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batman-adv: tt: reject oversized local TVLV buffers
The commit |
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77098e4bea
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batman-adv: tp_meter: fix tp_vars reference leak in receiver shutdown
The receiver shutdown timer handler, batadv_tp_receiver_shutdown(), is
responsible for releasing the tp_vars reference it holds. However, the
existing logic for coordinating this release with batadv_tp_stop_all() was
flawed.
timer_shutdown_sync() guarantees the timer will not fire again after it
returns, but it returns non-zero only when the timer was pending at the
time of the call. If the timer had already expired (and
batadv_tp_stop_all() would unsucessfully try to rearm itself),
batadv_tp_stop_all() skips its batadv_tp_vars_put(), and
batadv_tp_receiver_shutdown() fails to put its own reference as well.
Fix this by introducing a new atomic variable receiving that is set to 1
when the receiver is initialized and cleared atomically with atomic_xchg()
by whichever side claims it first. Only the side that observes the
transition from 1 to 0 is responsible for releasing the tp_vars timer
reference, eliminating the uncertainty.
Cc: stable@kernel.org
Fixes:
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94f3b13316
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batman-adv: fix tp_meter counter underflow during shutdown
batadv_tp_sender_shutdown() unconditionally decrements the "sending"
atomic counter. If multiple paths (e.g. timeout, user cancel, and
normal finish) call this function, the counter can underflow to -1.
Since the sender logic treats any non-zero value as "still sending",
a negative value causes the sender kthread to loop indefinitely.
This leads to a use-after-free when the interface is removed while
the zombie thread is still active.
Fix this by using atomic_xchg() to ensure the counter only transitions
from 1 to 0 once.
Fixes:
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ba9d20ee90
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batman-adv: bla: put backbone reference on failed claim hash insert
When batadv_bla_add_claim() fails to insert a new claim into the hash, it
leaked a reference to the backbone_gw for which the claim was intended.
Call batadv_backbone_gw_put() on the error path to release the reference
and avoid leaking the backbone_gw object.
Cc: stable@kernel.org
Fixes:
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cf6b604011
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batman-adv: bla: only purge non-released claims
When batadv_bla_purge_claims() goes through the list of claims, it is only
traversing the hash list with an rcu_read_lock(). Due to a potential
parallel batadv_claim_put(), it can happen that it encounters a claim which
was actually in the process of being released+freed by
batadv_claim_release(). In this case, backbone_gw is set to NULL before the
delayed RCU kfree is started. Calling batadv_bla_claim_get_backbone_gw() is
then no longer allowed because it would cause a NULL-ptr derefence.
To avoid this, only claims with a valid reference counter must be purged.
All others are already taken care of.
Cc: stable@kernel.org
Fixes:
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4ae1709a31
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batman-adv: bla: prevent use-after-free when deleting claims
When batadv_bla_del_backbone_claims() removes all claims for a backbone, it
does this by dropping the link entry in the hash list. This list entry
itself was one of the references which need to be dropped at the same time
via batadv_claim_put().
But the batadv_claim_put() must not be done before the last access to the
claim object in this function. Otherwise the claim might be freed already
by the batadv_claim_release() function before the list entry was dropped.
Cc: stable@kernel.org
Fixes:
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ce425dd05d
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batman-adv: tp_meter: fix tp_num leak on kmalloc failure
When batadv_tp_start() or batadv_tp_init_recv() fail to allocate a new
tp_vars object, the previously incremented bat_priv->tp_num counter is
never decremented. This causes tp_num to drift upward on each allocation
failure. Since only BATADV_TP_MAX_NUM sessions can be started and the count
is never reduced for these failed allocations, it causes to an exhaustion
of throughput meter sessions. In worst case, no new throughput meter
session can be started until the mesh interface is removed.
The error handling must decrement tp_num releasing the lock and aborting
the creation of an throughput meter session
Cc: stable@kernel.org
Fixes:
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f03e858353
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batman-adv: stop caching unowned originator pointers in BAT IV
BAT IV keeps the last-hop neighbor address in each neigh_node, but some
paths also cache an originator pointer derived from a temporary lookup.
That pointer is not owned by the neigh_node and may no longer refer to a
live originator entry after purge handling runs.
Stop storing the auxiliary originator pointer in the BAT IV neighbor
state. When BAT IV needs the neighbor originator data, resolve it from
the stored neighbor address and drop the reference again after use.
Fixes:
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3d3cf6a731
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batman-adv: stop tp_meter sessions during mesh teardown
TP meter sessions remain linked on bat_priv->tp_list after the netlink
request has already finished. When the mesh interface is removed,
batadv_mesh_free() currently tears down the mesh without first draining
these sessions.
A running sender thread or a late incoming tp_meter packet can then keep
processing against a mesh instance which is already shutting down.
Synchronize tp_meter with the mesh lifetime by stopping all active
sessions from batadv_mesh_free() and waiting for sender threads to exit
before teardown continues.
Fixes:
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3243543592
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batman-adv: reject new tp_meter sessions during teardown
Prevent tp_meter from starting new sender or receiver sessions after
mesh_state has left BATADV_MESH_ACTIVE.
Fixes:
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0799e59436
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batman-adv: fix integer overflow on buff_pos
Fixing an integer overflow present in batadv_iv_ogm_send_to_if. The size
check is done using the int type in batadv_iv_ogm_aggr_packet whereas the
buff_pos variable uses the s16 type. This could lead to an out-of-bound
read.
Cc: stable@vger.kernel.org
Fixes:
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1f5ffc6721 |
Fix mismerge of the arm64 / timer-core interrupt handling changes
Commit |
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5c0f43e853 |
kernel-7.1-rc1.misc
Please consider pulling these changes from the signed kernel-7.1-rc1.misc tag.
Thanks!
Christian
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Merge tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull pid_namespace updates from Christian Brauner:
- pid_namespace: make init creation more flexible
Annotate ->child_reaper accesses with {READ,WRITE}_ONCE() to protect
the unlocked readers from cpu/compiler reordering, and enforce that
pid 1 in a pid namespace is always the first allocated pid (the
set_tid path already required this).
On top of that, allow opening pid_for_children before the pid
namespace init has been created. This lets one process create the pid
namespace and a different process create the init via setns(), which
makes clone3(set_tid) usable in all cases evenly and is particularly
useful to CRIU when restoring nested containers.
A new selftest covers both the basic create-pidns-then-init flow and
the cross-process variant, and a MAINTAINERS entry for the pid
namespace code is added.
- unrelated signal cleanup: update outdated comment for the removed
freezable_schedule()
* tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
signal: update outdated comment for removed freezable_schedule()
MAINTAINERS: add a pid namespace entry
selftests: Add tests for creating pidns init via setns
pid_namespace: allow opening pid_for_children before init was created
pid: check init is created first after idr alloc
pid_namespace: avoid optimization of accesses to ->child_reaper
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7c8a4671dc |
vfs-7.1-rc1.mount.v2
Please consider pulling these changes from the signed vfs-7.1-rc1.mount.v2 tag.
Thanks!
Christian
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Merge tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
- Add FSMOUNT_NAMESPACE flag to fsmount() that creates a new mount
namespace with the newly created filesystem attached to a copy of the
real rootfs. This returns a namespace file descriptor instead of an
O_PATH mount fd, similar to how OPEN_TREE_NAMESPACE works for
open_tree().
This allows creating a new filesystem and immediately placing it in a
new mount namespace in a single operation, which is useful for
container runtimes and other namespace-based isolation mechanisms.
This accompanies OPEN_TREE_NAMESPACE and avoids a needless detour via
OPEN_TREE_NAMESPACE to get the same effect. Will be especially useful
when you mount an actual filesystem to be used as the container
rootfs.
- Currently, creating a new mount namespace always copies the entire
mount tree from the caller's namespace. For containers and sandboxes
that intend to build their mount table from scratch this is wasteful:
they inherit a potentially large mount tree only to immediately tear
it down.
This series adds support for creating a mount namespace that contains
only a clone of the root mount, with none of the child mounts. Two
new flags are introduced:
- CLONE_EMPTY_MNTNS (0x400000000) for clone3(), using the 64-bit flag space
- UNSHARE_EMPTY_MNTNS (0x00100000) for unshare()
Both flags imply CLONE_NEWNS. The resulting namespace contains a
single nullfs root mount with an immutable empty directory. The
intended workflow is to then mount a real filesystem (e.g., tmpfs)
over the root and build the mount table from there.
- Allow MOVE_MOUNT_BENEATH to target the caller's rootfs, allowing to
switch out the rootfs without pivot_root(2).
The traditional approach to switching the rootfs involves
pivot_root(2) or a chroot_fs_refs()-based mechanism that atomically
updates fs->root for all tasks sharing the same fs_struct. This has
consequences for fork(), unshare(CLONE_FS), and setns().
This series instead decomposes root-switching into individually
atomic, locally-scoped steps:
fd_tree = open_tree(-EBADF, "/newroot", OPEN_TREE_CLONE | OPEN_TREE_CLOEXEC);
fchdir(fd_tree);
move_mount(fd_tree, "", AT_FDCWD, "/", MOVE_MOUNT_BENEATH | MOVE_MOUNT_F_EMPTY_PATH);
chroot(".");
umount2(".", MNT_DETACH);
Since each step only modifies the caller's own state, the
fork/unshare/setns races are eliminated by design.
A key step to making this possible is to remove the locked mount
restriction. Originally MOVE_MOUNT_BENEATH doesn't support mounting
beneath a mount that is locked. The locked mount protects the
underlying mount from being revealed. This is a core mechanism of
unshare(CLONE_NEWUSER | CLONE_NEWNS). The mounts in the new mount
namespace become locked. That effectively makes the new mount table
useless as the caller cannot ever get rid of any of the mounts no
matter how useless they are.
We can lift this restriction though. We simply transfer the locked
property from the top mount to the mount beneath. This works because
what we care about is to protect the underlying mount aka the parent.
The mount mounted between the parent and the top mount takes over the
job of protecting the parent mount from the top mount mount. This
leaves us free to remove the locked property from the top mount which
can consequently be unmounted:
unshare(CLONE_NEWUSER | CLONE_NEWNS)
and we inherit a clone of procfs on /proc then currently we cannot
unmount it as:
umount -l /proc
will fail with EINVAL because the procfs mount is locked.
After this series we can now do:
mount --beneath -t tmpfs tmpfs /proc
umount -l /proc
after which a tmpfs mount has been placed beneath the procfs mount.
The tmpfs mount has become locked and the procfs mount has become
unlocked.
This means you can safely modify an inherited mount table after
unprivileged namespace creation.
Afterwards we simply make it possible to move a mount beneath the
rootfs allowing to upgrade the rootfs.
Removing the locked restriction makes this very useful for containers
created with unshare(CLONE_NEWUSER | CLONE_NEWNS) to reshuffle an
inherited mount table safely and MOVE_MOUNT_BENEATH makes it possible
to switch out the rootfs instead of using the costly pivot_root(2).
* tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
selftests/namespaces: remove unused utils.h include from listns_efault_test
selftests/fsmount_ns: add missing TARGETS and fix cap test
selftests/empty_mntns: fix wrong CLONE_EMPTY_MNTNS hex value in comment
selftests/empty_mntns: fix statmount_alloc() signature mismatch
selftests/statmount: remove duplicate wait_for_pid()
mount: always duplicate mount
selftests/filesystems: add MOVE_MOUNT_BENEATH rootfs tests
move_mount: allow MOVE_MOUNT_BENEATH on the rootfs
move_mount: transfer MNT_LOCKED
selftests/filesystems: add clone3 tests for empty mount namespaces
selftests/filesystems: add tests for empty mount namespaces
namespace: allow creating empty mount namespaces
selftests: add FSMOUNT_NAMESPACE tests
selftests/statmount: add statmount_alloc() helper
tools: update mount.h header
mount: add FSMOUNT_NAMESPACE
mount: simplify __do_loopback()
mount: start iterating from start of rbtree
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91a4855d6c |
Networking changes for 7.1.
Core & protocols
----------------
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP.
- Number of code moves to help the compiler with inlining.
Avoid output arguments for returning drop reason where possible.
- Rework drop handling within qdiscs to include more metadata
about the reason and dropping qdisc in the tracepoints.
- Remove the rtnl_lock use from IP Multicast Routing.
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two.
- Report TCP delayed ack timer information via socket diag.
- Add ip_local_port_step_width sysctl to allow distributing the randomly
selected ports more evenly throughout the allowed space.
- Add support for per-route tunsrc in IPv6 segment routing.
- Start work of switching sockopt handling to iov_iter.
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up.
- Support MSG_EOR in MPTCP.
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage.
- Remove UDP-Lite support (as announced in 2023).
- Remove support for building IPv6 as a module.
Remove the now unnecessary function calling indirection.
Cross-tree stuff
----------------
- Move Michael MIC code from generic crypto into wireless,
it's considered insecure but some WiFi networks still need it.
Netfilter
---------
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate.
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex.
- Add more opinionated input validation to lower security exposure.
- Make IPVS hash tables to be per-netns and resizable.
Wireless
--------
- Finished assoc frame encryption/EPPKE/802.1X-over-auth.
- Radar detection improvements.
- Add 6 GHz incumbent signal detection APIs.
- Multi-link support for FILS, probe response templates and
client probing.
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware.
Driver API
----------
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs.
- Add standard counters for reporting pause storm events
(implement in mlx5 and fbnic).
- Add configuration API for completion writeback buffering
(implement in mana).
- Support driver-initiated change of RSS context sizes.
- Support DPLL monitoring input frequency (implement in zl3073x).
- Support per-port resources in devlink (implement in mlx5).
Misc
----
- Expand the YAML spec for Netfilter.
Drivers
-------
- Software:
- macvlan: support multicast rx for bridge ports with shared source
MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP
- Number of code moves to help the compiler with inlining. Avoid
output arguments for returning drop reason where possible
- Rework drop handling within qdiscs to include more metadata about
the reason and dropping qdisc in the tracepoints
- Remove the rtnl_lock use from IP Multicast Routing
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two
- Report TCP delayed ack timer information via socket diag
- Add ip_local_port_step_width sysctl to allow distributing the
randomly selected ports more evenly throughout the allowed space
- Add support for per-route tunsrc in IPv6 segment routing
- Start work of switching sockopt handling to iov_iter
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up
- Support MSG_EOR in MPTCP
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage
- Remove UDP-Lite support (as announced in 2023)
- Remove support for building IPv6 as a module. Remove the now
unnecessary function calling indirection
Cross-tree stuff:
- Move Michael MIC code from generic crypto into wireless, it's
considered insecure but some WiFi networks still need it
Netfilter:
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex
- Add more opinionated input validation to lower security exposure
- Make IPVS hash tables to be per-netns and resizable
Wireless:
- Finished assoc frame encryption/EPPKE/802.1X-over-auth
- Radar detection improvements
- Add 6 GHz incumbent signal detection APIs
- Multi-link support for FILS, probe response templates and client
probing
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware
Driver API:
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs
- Add standard counters for reporting pause storm events (implement
in mlx5 and fbnic)
- Add configuration API for completion writeback buffering (implement
in mana)
- Support driver-initiated change of RSS context sizes
- Support DPLL monitoring input frequency (implement in zl3073x)
- Support per-port resources in devlink (implement in mlx5)
Misc:
- Expand the YAML spec for Netfilter
Drivers
- Software:
- macvlan: support multicast rx for bridge ports with shared
source MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB
pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support"
* tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1561 commits)
net: pse-pd: fix kernel-doc function name for pse_control_find_by_id()
wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
wireguard: allowedips: remove redundant space
tools: ynl: add sample for wireguard
wireguard: allowedips: Use kfree_rcu() instead of call_rcu()
MAINTAINERS: Add netkit selftest files
selftests/net: Add additional test coverage in nk_qlease
selftests/net: Split netdevsim tests from HW tests in nk_qlease
tools/ynl: Make YnlFamily closeable as a context manager
net: airoha: Add missing PPE configurations in airoha_ppe_hw_init()
net: airoha: Fix VIP configuration for AN7583 SoC
net: caif: clear client service pointer on teardown
net: strparser: fix skb_head leak in strp_abort_strp()
net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
selftests/bpf: add test for xdp_master_redirect with bond not up
net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
net: airoha: Remove PCE_MC_EN_MASK bit in REG_FE_PCE_CFG configuration
sctp: disable BH before calling udp_tunnel_xmit_skb()
sctp: fix missing encap_port propagation for GSO fragments
net: airoha: Rely on net_device pointer in ETS callbacks
...
|
||
|
|
f5ad410100 |
bpf-next-7.1
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Merge tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Welcome new BPF maintainers: Kumar Kartikeya Dwivedi, Eduard
Zingerman while Martin KaFai Lau reduced his load to Reviwer.
- Lots of fixes everywhere from many first time contributors. Thank you
All.
- Diff stat is dominated by mechanical split of verifier.c into
multiple components:
- backtrack.c: backtracking logic and jump history
- states.c: state equivalence
- cfg.c: control flow graph, postorder, strongly connected
components
- liveness.c: register and stack liveness
- fixups.c: post-verification passes: instruction patching, dead
code removal, bpf_loop inlining, finalize fastcall
8k line were moved. verifier.c still stands at 20k lines.
Further refactoring is planned for the next release.
- Replace dynamic stack liveness with static stack liveness based on
data flow analysis.
This improved the verification time by 2x for some programs and
equally reduced memory consumption. New logic is in liveness.c and
supported by constant folding in const_fold.c (Eduard Zingerman,
Alexei Starovoitov)
- Introduce BTF layout to ease addition of new BTF kinds (Alan Maguire)
- Use kmalloc_nolock() universally in BPF local storage (Amery Hung)
- Fix several bugs in linked registers delta tracking (Daniel Borkmann)
- Improve verifier support of arena pointers (Emil Tsalapatis)
- Improve verifier tracking of register bounds in min/max and tnum
domains (Harishankar Vishwanathan, Paul Chaignon, Hao Sun)
- Further extend support for implicit arguments in the verifier (Ihor
Solodrai)
- Add support for nop,nop5 instruction combo for USDT probes in libbpf
(Jiri Olsa)
- Support merging multiple module BTFs (Josef Bacik)
- Extend applicability of bpf_kptr_xchg (Kaitao Cheng)
- Retire rcu_trace_implies_rcu_gp() (Kumar Kartikeya Dwivedi)
- Support variable offset context access for 'syscall' programs (Kumar
Kartikeya Dwivedi)
- Migrate bpf_task_work and dynptr to kmalloc_nolock() (Mykyta
Yatsenko)
- Fix UAF in in open-coded task_vma iterator (Puranjay Mohan)
* tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (241 commits)
selftests/bpf: cover short IPv4/IPv6 inputs with adjust_room
bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb
selftests/bpf: Use memfd_create instead of shm_open in cgroup_iter_memcg
selftests/bpf: Add test for cgroup storage OOB read
bpf: Fix OOB in pcpu_init_value
selftests/bpf: Fix reg_bounds to match new tnum-based refinement
selftests/bpf: Add tests for non-arena/arena operations
bpf: Allow instructions with arena source and non-arena dest registers
bpftool: add missing fsession to the usage and docs of bpftool
docs/bpf: add missing fsession attach type to docs
bpf: add missing fsession to the verifier log
bpf: Move BTF checking logic into check_btf.c
bpf: Move backtracking logic to backtrack.c
bpf: Move state equivalence logic to states.c
bpf: Move check_cfg() into cfg.c
bpf: Move compute_insn_live_regs() into liveness.c
bpf: Move fixup/post-processing logic from verifier.c into fixups.c
bpf: Simplify do_check_insn()
bpf: Move checks for reserved fields out of the main pass
bpf: Delete unused variable
...
|
||
|
|
e997ac58ad |
linux_kselftest-next-7.1-rc1
Improvements and fixes kselftest, kselftest harness, frameworks
and individual tests:
-- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
-- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
-- runner.sh: add ktrap support
-- tracing: fix to make --logdir option work again
-- tracing: fix to check awk supports non POSIX strtonum()
-- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
-- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
-- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness functionality
- add validation of intermixing of kselftest and harness functionality
-- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
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Merge tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
- runner.sh: add ktrap support
- tracing: fix to make --logdir option work again
- tracing: fix to check awk supports non POSIX strtonum()
- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness
functionality
- add validation of intermixing of kselftest and harness
functionality
- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
* tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Quote check_requires comparisons
selftests: Preserve subtarget failures in all/install
selftests/run_kselftest.sh: Allow choosing per-test log directory
selftests/run_kselftest.sh: Resolve BASE_DIR with pwd -P
selftests/run_kselftest.sh: Remove unused $ROOT
selftests/cpu-hotplug: Fix check for cpu hotplug not supported
selftests/mqueue: Fix incorrectly named file
selftests: Use ktap helpers for runner.sh
selftests: harness: Validate intermixing of kselftest and harness functionality
selftests: harness: Detect illegal mixing of kselftest and harness functionality
selftests: kselftest: Add ksft_reset_state()
selftests: harness: Validate that explicit kselftest exitcodes are handled
selftests: kselftest: Treat xpass as successful result
selftests/tracing: Fix to check awk supports non POSIX strtonum()
selftests/tracing: Fix to make --logdir option work again
|
||
|
|
6198c86a97 |
linux_kselftest-kunit-7.1-rc1
Fixes kunit tool to
-- terminate kernel under test on SIGINT when it catches SIGINT
to make sure the TTY isn't messed up and terminate the running
kernel.
-- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
-- skip stty when stdin is not a tty to avoid writing noise to stderr.
-- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
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Merge tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit tool updates from Shuah Khan:
- terminate kernel under test on SIGINT when it catches SIGINT to make
sure the TTY isn't messed up and terminate the running kernel
- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
- skip stty when stdin is not a tty to avoid writing noise to stderr.
- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
* tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: Terminate kernel under test on SIGINT
kunit: tool: skip stty when stdin is not a tty
kunit: tool: Recommend --raw_output=all if no KTAP found
kunit: Add --list_suites to show suites
|
||
|
|
88b29f3f57 |
Modules changes for v7.1-rc1
Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new
__kflagstab section. This section stores symbol flags, such as
the GPL-only flag, as an 8-bit bitset for each exported symbol.
This is a cleanup that simplifies symbol lookup in the module
loader by avoiding table fragmentation and will allow a cleaner
way to add more flags later if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse
by tools outside the kernel proper, such as kmod and
scripts/sign-file. This also renames a few constants for clarity
and drops unused signature types as preparation for hash-based
module integrity checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show
the symbol namespaces imported by loaded modules. This makes it
easier to verify driver API access at runtime on systems that
care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with ld.bfd -r,
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload
when the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by
the module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Merge tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull module updates from Sami Tolvanen:
"Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new __kflagstab
section.
This section stores symbol flags, such as the GPL-only flag, as an
8-bit bitset for each exported symbol. This is a cleanup that
simplifies symbol lookup in the module loader by avoiding table
fragmentation and will allow a cleaner way to add more flags later
if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse by
tools outside the kernel proper, such as kmod and
scripts/sign-file.
This also renames a few constants for clarity and drops unused
signature types as preparation for hash-based module integrity
checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show the
symbol namespaces imported by loaded modules.
This makes it easier to verify driver API access at runtime on
systems that care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with 'ld.bfd -r',
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload when
the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by the
module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation"
* tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: (23 commits)
module: Simplify warning on positive returns from module_init()
module: Override -EEXIST module return
documentation: remove references to *_gpl sections
module: remove *_gpl sections from vmlinux and modules
module: deprecate usage of *_gpl sections in module loader
module: use kflagstab instead of *_gpl sections
module: populate kflagstab in modpost
module: add kflagstab section to vmlinux and modules
module: define ksym_flags enumeration to represent kernel symbol flags
selftests/bpf: verify_pkcs7_sig: Use 'struct module_signature' from the UAPI headers
sign-file: use 'struct module_signature' from the UAPI headers
tools uapi headers: add linux/module_signature.h
module: Move 'struct module_signature' to UAPI
module: Give MODULE_SIG_STRING a more descriptive name
module: Give 'enum pkey_id_type' a more specific name
module: Drop unused signature types
extract-cert: drop unused definition of PKEY_ID_PKCS7
docs: symbol-namespaces: mention sysfs attribute
module: expose imported namespaces via sysfs
module: Remove extern keyword from param prototypes
...
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||
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ee60c510fb |
nolibc changes for 7.1
Highlights: * Many new features and optimizations to printf(). * Rename non-standard symbols to avoid collisions with application code. * Support for byteswap.h, endian.h, err.h and asprintf(). * 64-bit dev_t. * Smaller cleanips and fixes to the code and build system. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTg4lxklFHAidmUs57B+h1jyw5bOAUCadvnagAKCRDB+h1jyw5b OPgLAQDlu6hdBZtzPzskzwcSQ2MFBQRuiOmHadksYIfvmxerZQD+LCf3xoO5a/vK Jg2K+90RvcerTbHuDqaQave1RPC0vAA= =LIjy -----END PGP SIGNATURE----- Merge tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc Pull nolibc updates from Thomas Weißschuh: - Many new features and optimizations to printf() - Rename non-standard symbols to avoid collisions with application code - Support for byteswap.h, endian.h, err.h and asprintf() - 64-bit dev_t - Smaller cleanups and fixes to the code and build system * tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc: (61 commits) selftests/nolibc: use gcc 15 tools/nolibc: support UBSAN on gcc tools/nolibc: create __nolibc_no_sanitize_ubsan selftests/nolibc: don't skip tests for unimplemented syscalls anymore selftests/nolibc: explicitly handle ENOSYS from ptrace() tools/nolibc: add byteorder conversions tools/nolibc: add the _syscall() macro tools/nolibc: move the call to __sysret() into syscall() tools/nolibc: rename the internal macros used in syscall() selftests/nolibc: only use libgcc when really necessary selftests/nolibc: test the memory allocator tools/nolibc: check for overflow in calloc() without divisions tools/nolibc: add support for asprintf() tools/nolibc: use __builtin_offsetof() tools/nolibc: use makedev() in fstatat() tools/nolibc: handle all major and minor numbers in makedev() and friends tools/nolibc: make dev_t 64 bits wide tools/nolibc: move the logic of makedev() and friends into functions selftests/nolibc: add a test for stat().st_rdev selftests/nolibc: add some tests for makedev() and friends ... |
||
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|
3203a08c12 |
powerpc updates for 7.1
- powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to: Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, Yury Norov (NVIDIA) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmnc9bQACgkQpnEsdPSH ZJS0wg//TIma7bIPw0rFNnDWRHJq2YqXCSOKjU24gkYPD+T5lvuE4JtkYx1U7FOC yByjCwmWg0RMOlcDC0vtyqvcq8fZSc5VwrebjZaHtEcRFkcip5r57A1DkV1TLWF/ 3EXQzhOzh5Sf6+A7leg4hVhk0ZvCG/DFqKCW6s1uBBBALD2nv9oC9WLzdZeutiWm hC+f1pFbfr4ZAAcjeTTBLJPLa4ayWUbszseW2CX9B3Rf041fh4puAH709Wlf9gYz 7Gh7ZS/XhLYi5urH9bd7+0CTgDxeYI9D/0hBh1szXFHYB2N+1OdQNmMz0TfKlzsB byHGd9OW5EnfwKOFb9/wYQI6vODoZRSVB74oSHlJ7GoLe8FnNnBhqUaYuorJIYJF j8wuhOz/fdC8EWpol2lTsnQ+Lvo7N/YG7BIa2SiSTwpnOoZ2iQR3GeZcp4TCW8A/ ZUHEUuaM/zuNZxIZqxnM7wHBE+nGHjOcfRMZcZz1kwanw+Xyu0lDrTbn0O6h404R p0N/GG5Q8phVD/GQaXi3jt5/316D+SOTo4hhl7nyP1/UFvqH8YEEwXy2KnldBLKH C0S0pdmOx03fgjpG+Utkk2zYpz06KfYL58tiEaCFikoBRtQBfTFq7qyqNrgYRx1V 7h4lnjRqTLjyurBUAUPNZPHC6BY1inv3wJj1x5ooRbaPSDXw5VU= =P25l -----END PGP SIGNATURE----- Merge tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, and Yury Norov (NVIDIA) * tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (47 commits) mailmap: Add entry for Andrew Donnellan powerpc32/bpf: fix loading fsession func metadata using PPC_LI32 selftest/bpf: Enable gotox tests for powerpc64 powerpc64/bpf: Add support for indirect jump selftest/bpf: Enable instruction array test for powerpc powerpc/bpf: Add support for instruction array powerpc32/bpf: Add fsession support powerpc64/bpf: Implement fsession support selftests/bpf: Enable private stack tests for powerpc64 powerpc64/bpf: Implement JIT support for private stack powerpc: pci-ioda: Optimize pnv_ioda_pick_m64_pe() powerpc: pci-ioda: use bitmap_alloc() in pnv_ioda_pick_m64_pe() powerpc/net: Inline checksum wrappers and convert to scoped user access powerpc/sstep: Convert to scoped user access powerpc/align: Convert emulate_spe() to scoped user access powerpc/ptrace: Convert gpr32_set_common_user() to scoped user access powerpc/futex: Use masked user access powerpc/audit: Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC cpuidle: powerpc: avoid double clear when breaking snooze powerpc/ps3: spu.c: fix enum and Return kernel-doc warnings ... |
||
|
|
e6b162a63f |
m68knommu: updates and fixes for v7.1
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||
|
|
c43267e679 |
arm64 updates for 7.1:
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for better
control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can use
resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"The biggest changes are MPAM enablement in drivers/resctrl and new PMU
support under drivers/perf.
On the core side, FEAT_LSUI lets futex atomic operations with EL0
permissions, avoiding PAN toggling.
The rest is mostly TLB invalidation refactoring, further generic entry
work, sysreg updates and a few fixes.
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for
better control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using
resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can
use resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (109 commits)
arm64: rsi: use linear-map alias for realm config buffer
arm64: Kconfig: fix duplicate word in CMDLINE help text
arm64: mte: Skip TFSR_EL1 checks and barriers in synchronous tag check mode
arm64/sysreg: Update ID_AA64SMFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ZFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64FPFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR2_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR0_EL1 description to DDI0601 2025-12
arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps
arm64: kexec: Remove duplicate allocation for trans_pgd
ACPI: AGDI: fix missing newline in error message
arm64: Check DAIF (and PMR) at task-switch time
arm64: entry: Use split preemption logic
arm64: entry: Use irqentry_{enter_from,exit_to}_kernel_mode()
arm64: entry: Consistently prefix arm64-specific wrappers
arm64: entry: Don't preempt with SError or Debug masked
entry: Split preemption from irqentry_exit_to_kernel_mode()
entry: Split kernel mode logic from irqentry_{enter,exit}()
entry: Move irqentry_enter() prototype later
entry: Remove local_irq_{enable,disable}_exit_to_user()
...
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||
|
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508fed6795 |
- Add new AMD MCA bank names and types to the MCA code, preceded by a clean
up of the relevant places to have them more developer-friendly (read: sort them alphanumerically and clean up comments) such that adding new banks is easy -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndH/cACgkQEsHwGGHe VUpqFBAAvjQCWdL5GQ0sV4EyYVToj4OKU3DmUCJLMKEh3n3yrQpPsbU9+KfxyndP B68lRfRqqV/uUxQGebh7Rnp8o2jWphU2hf1Lr0Ssl6y5ouKWs5Up4foLlG4hAhzC 2MmHVz+jj8Z3FWKLxMEymxqq6wLF+0H3Issd/l23DkK6hMQCkjKc6WrSNC6JBDCA sSF5kR/E4Q/lcW12ncq4pUYwkKox2lcdsNtI/nC7W7W+CoqwpOq8MfomCDIII+A0 Ib7baeRxagOk0WHlfy15fGaDoKlHW6ImT3cVYBK/tomp8dpG2zRMXHHQExan2rBR rHzvk3aHEgOr02DZJ/dxOT+libQIkBwno+DheEhJHcirB/gS5Z51ERhkyzqLReGv +XSO1Eq9j5bqiVn8RdPeJIVLtfqnOrpcks+cCmyH0AlLIx1WV5mSRUtmVl1kWyq1 GBos0yOnH4PgMxqv8fNkfNjm1ATnHyrVjYl5YNKSzJHhu/8BYcQJ4X8R0f2m0pXS WI6uXf35C6rJcKj25qo1Nnhmj5YDWJgelJjes9ZtmRMPDNNooD4VLk1W6ox7VuOY QaNMNwrroLRdfOlaz7oYIUAuoaZbZnTqbz8Lfmb4UScLd9LfI5ZPqs7pB5VORApF 5IYM/Wli+kQl2Qbz0CD6ZtfdidqR09H7oJBE/r6bEFePot2EpUY= =aivF -----END PGP SIGNATURE----- Merge tag 'ras_core_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RAS updates from Borislav Petkov: - Add new AMD MCA bank names and types to the MCA code, preceded by a clean up of the relevant places to have them more developer-friendly (read: sort them alphanumerically and clean up comments) such that adding new banks is easy * tag 'ras_core_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce, EDAC/mce_amd: Add new SMCA bank types x86/mce, EDAC/mce_amd: Update CS bank type naming x86/mce, EDAC/mce_amd: Reorder SMCA bank type enums |
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1834703b84 |
- amd64_edac: Add support for AMD Zen 3 (family 19h, models 40h–4fh)
- i10nm: Add GNR error information decoder support as an alternative to the firmware decoder — versalnet: Restructure the init/teardown logic for correct and more readable error handling. Also, fix two memory leaks and a resource leak — Convert several internal structs to use bounded flex arrays, enabling the kernel's runtime checker to catch out-of-bounds memory accesses - Mark various sysfs attribute tables read-only, preventing accidental modification at runtime - The usual fixes and cleanups across the subsystem -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmncwr0ACgkQEsHwGGHe VUp/7Q//SITcEEp/IZrZoUKg0CRwJY+uifYo0SQHCoLlq0JzjuQwsS8szwJfF3fy tm2JHq1e9SaPYAD78Ybda1MruyUFg/GesexgRgjtkrxb1A6tW48nsPdxuTCv5KCe A5wZM8ByDt4cOk68LzRIWtisuiaVzGzuExfUmTAQwc8G0sR7g7rMfClY9qWMvOtS l8ZzM1LbShvSPjnzkQIoKVAQH4OOr+uCNwT/8myUY7WkAo0qkTjrOWVGjYG4Dt2u HTWqOaJZase8V6kMdo6HIpE5jTy+Ic+9tfXCibqUygTW6s7OWTnCVVRdB/aLZmFK zvdUOH4J+8OAF19xM8FNVvFPZySrq2EPBNl09+kBwZOOY2afT9MnpmQJlXkdAPJY fnSDJX/oKt4q7te2+OEQoIg2dhFkqVr7nXK4JsjqYGEdpgacays2ITY8n3x8joDE LgBMpO8TTaHEQBNFUfGG5+y9cu2AIBdaxBNIq1yrSRUNTzZ0Af32cy+QnGimUi9g 40LyXm418Ixc9UZrWPnZ6mIiiLVhWtv9aJfulidyFa52xDOVbJojlydhLUojxX7n dXAD7jLoHcKqZqRWD5NUtBVqFoOiEhtuHZjOQ4+ocebrMPAt7NSC13a4NCLZylyy zP02Tmj2sTgaq/5KBKIoVSP4sKmk4bX4rxYvTgeIbpu7txLcWcU= =EZr3 -----END PGP SIGNATURE----- Merge tag 'edac_updates_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC updates from Borislav Petkov: - amd64_edac: Add support for AMD Zen 3 (family 19h, models 40h–4fh) - i10nm: Add GNR error information decoder support as an alternative to the firmware decoder - versalnet: Restructure the init/teardown logic for correct and more readable error handling. Also, fix two memory leaks and a resource leak - Convert several internal structs to use bounded flex arrays, enabling the kernel's runtime checker to catch out-of-bounds memory accesses - Mark various sysfs attribute tables read-only, preventing accidental modification at runtime - The usual fixes and cleanups across the subsystem * tag 'edac_updates_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/mc: Use kzalloc_flex() EDAC/ie31200: Make rpl_s_cfg static EDAC/i10nm: Fix spelling mistake "readd" -> "read" EDAC/versalnet: Fix device_node leak in mc_probe() EDAC/versalnet: Fix memory leak in remove and probe error paths EDAC/amd64: Add support for family 19h, models 40h-4fh EDAC/i10nm: Add driver decoder for Granite Rapids server EDAC/sb: Use kzalloc_flex() EDAC/i7core: Use kzalloc_flex() EDAC/mpc85xx: Constify device sysfs attributes EDAC/device: Allow addition of const sysfs attributes EDAC/pci_sysfs: Constify instance sysfs attributes EDAC/device: Constify info sysfs attributes EDAC/device: Drop unnecessary and dangerous casts of attributes EDAC/device: Drop unused macro to_edacdev_attr() EDAC/altera: Drop unused field eccmgr_sysfs_attr EDAC/versalnet: Refactor memory controller initialization and cleanup |
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60b8d4d492 |
- Change the SEV host code handling of when SNP gets enabled in order to allow
the machine to claim SNP-related resources only when SNP guests are really going to be launched. The user requests this by loading the ccp module and thus it controls when SNP initialization is done So export an API which module code can call and do the necessary SNP setup only when really needed - Drop an unnecessary write-back and invalidate operation that was being performed too early, since the ccp driver already issues its own at the correct point in the initialization sequence — Drop the hotplug callbacks for enabling SNP on newly onlined CPUs, which were both architecturally unsound (the firmware rejects initialization if any CPU lacks the required configuration) and buggy (the MFDM SYSCFG MSR bit was not being set) - Code refactoring and cleanups to accomplish the above -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndWHYACgkQEsHwGGHe VUrp5w/+KtaEmeIJ8w5tkZ1haY6/FaG0mPKkBVoIEbt4TR2p7JmdCDS0yVi88+Ze GnsmKbesinhMzH3SFcQWOHu17c5BYyu8HllDhKqvAalwp0BZXSsz0LruJJC9vyqz 6J89iGPhvFDlV3aE8gSAVNu8bzfQwoiAGS4C8QXVnerUCuGMqrM31dAyroqmRw+Y QNeSqm2OW3hkisSZPga8euo7e9iwGuXufhR/mxumrLY3k7mK0U9tDqMA9XaHqfLI TssalBrhdBJkf62Cj5gByVOlVVq6E4ii3xR0Pbs35BkXchdCM+ni89BcdJTrwzcr fcmsc0HXZud5ZzTi4BYPyEUuJbNshj2EuhVTaLbIGL0kPO/MNJ1xrGfAF1NrkqmD ATH5B5uCCwUxTJJc0Fwj4McVpW/TCqXP/QDEpMoN8yQX8yejQBGRcTKVIEzyGrze GziQ+Oem/MLTBz97r8p/CXR6ADDdqIxiO1WF1hDpYoDQqtdE+DeXSscLvSH+f4C+ 6x3EjrfMD8tNrf9JYE/aRdoF72q5GlWSh06RWlQrv2A+OezQCe82yMAPiUqaS1HS GsTJtoeKVDZNW2EfIl4HNzf0PemhD8JlJSRV/euaW6ipl1gDm4YasmYyhn2pL8WI Q0I9Ud2pnDmYFjxkfPmMCsnwkdSPCXlQ7/EeclYswWAKnoDrOAc= =2eQs -----END PGP SIGNATURE----- Merge tag 'x86_sev_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 SEV updates from Borislav Petkov: - Change the SEV host code handling of when SNP gets enabled in order to allow the machine to claim SNP-related resources only when SNP guests are really going to be launched. The user requests this by loading the ccp module and thus it controls when SNP initialization is done So export an API which module code can call and do the necessary SNP setup only when really needed - Drop an unnecessary write-back and invalidate operation that was being performed too early, since the ccp driver already issues its own at the correct point in the initialization sequence - Drop the hotplug callbacks for enabling SNP on newly onlined CPUs, which were both architecturally unsound (the firmware rejects initialization if any CPU lacks the required configuration) and buggy (the MFDM SYSCFG MSR bit was not being set) - Code refactoring and cleanups to accomplish the above * tag 'x86_sev_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: crypto/ccp: Update HV_FIXED page states to allow freeing of memory crypto/ccp: Implement SNP x86 shutdown x86/sev, crypto/ccp: Move HSAVE_PA setup to arch/x86/ x86/sev, crypto/ccp: Move SNP init to ccp driver x86/sev: Create snp_shutdown() x86/sev: Create snp_prepare() x86/sev: Create a function to clear/zero the RMP x86/sev: Rename SNP_FEATURES_PRESENT to SNP_FEATURES_IMPL x86/virt/sev: Keep the RMP table bookkeeping area mapped x86/virt/sev: Drop WBINVD before setting MSR_AMD64_SYSCFG_SNP_EN x86/virt/sev: Drop support for SNP hotplug |
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970216e023 |
— Reference the tip tree maintainer handbook directly from the relevant
MAINTAINERS file entries (covering timers, IRQ, locking, scheduling, perf, x86, and others) so that contributors and tooling can know where to look — Enable interrupt remapping in defconfig, which is an architectural requirement for x2APIC to function correctly on bare metal. Without it, x2APIC was effectively enabled but non-functional. — Ensure that drivers which register custom restart handlers (such as those needed for SoC-based x86 devices like Intel Lightning Mountain) are actually invoked during reboot, bringing x86 in line with how other architectures handle this. - Cleanups -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndUHwACgkQEsHwGGHe VUridxAAgSJ7wLZ8rypjCA6W17KLTMOn/ymvrR3NEU/3T8R4m5ax5gHNUgyo/cb9 T9H9eer5NRnDjlpKHXG9QTExxVMyrMqZEBcV04wxExKrWTBqWs8tc8Y1ux6sDm5I 84iPjnaI1ideP6Mu8YwxOgUUGHExICh7gdHsvZGAPt7QupGTc3liT0AftT9qNMd7 c33kx05gJshqdIuI8HFVZGlTu8FTfgYl2AGjVikjGx1i1A8LYlERhDsUu8VEDAsA w2KzIH0rINXWQPvfjtKEK9r9KVsqe4Ye28ku3OmVh3ScflBXrAVOzJSH5DXvoy6f ktw5/rn5zUDX+FHNt0amaZItBqXNB5I/nyn1F8qraTTvK9obC7urYL1Q7x/Sg6j8 zqRTdhBQcqvmGiO9FSvUfJyk+VMAakNXGWHNGIoivuoopfIyieeN3jpaQObZ9dld szrOL0WBduQ9gnke6KJ8VMFhIt2vAqCw+PS+OABwbBvN9rSXnpMBys6dLblU1aoF l93L3g8oHIZimPunGNxqFe77SunA/iVlT4dnXDVGIWmte/0fn967SgtEzRESkOEN XipPW8cBhlZBAD0qN9UBkEU7EUM5G3iLFNIDyA0ONbL+OheE+iVtmO7RelAo4sPh ChM4bOaXMcxRrZf1ExoT86pYRH3Z+4lrhnIjC8ba93BkEi6dfoA= =uJyt -----END PGP SIGNATURE----- Merge tag 'x86_misc_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull misc x86 updates from Borislav Petkov: - Reference the tip tree maintainer handbook directly from the relevant MAINTAINERS file entries (covering timers, IRQ, locking, scheduling, perf, x86, and others) so that contributors and tooling can know where to look - Enable interrupt remapping in defconfig, which is an architectural requirement for x2APIC to function correctly on bare metal. Without it, x2APIC was effectively enabled but non-functional. - Ensure that drivers which register custom restart handlers (such as those needed for SoC-based x86 devices like Intel Lightning Mountain) are actually invoked during reboot, bringing x86 in line with how other architectures handle this. - Cleanups * tag 'x86_misc_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Add references to tip tree handbook x86/64/defconfig: Add CONFIG_IRQ_REMAP x86/reboot: Execute the kernel restart handler upon machine restart x86/mtrr: Use kstrtoul() in parse_mtrr_spare_reg() |
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cd4cdc53cc |
- The kernel carries a table of Intel CPUs family,model,stepping,...,etc
tuples which say what is the latest microcode for that particular CPU. Some CPU variants differ only by the platform ID which determines what microcode needs to be loaded on them. Carve out the platform ID handling from the microcode loader and make it available in a more generic place so that the old microcode verification machinery can use it -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndSBoACgkQEsHwGGHe VUoJShAAjwkQMAYzFPrNXCAZzmyXr0At6YI7QVfhCiZnnbhROiRn9BxpRYby5QX9 VbsBG56uwhHmDklKCeIqz8RyNSDAb0I7JxDVJk+tL4HzoSJjmD8k17ETrl89Sne0 QB7J6PXAETfXAwEVPI1KID0fcGSE6EWkxJqM5v1CcV/hsaY2Ye3CNI7fwZNDAx1l mCbhZ0KqdFH6xjp77z8WlwDquNl7/0vyeTpNYv0CL1TMOZsSUXx8ABY/oI9iTNou 27yd9L1vATVtAUfDhq67eh9bVV/rrXwBGLIiflgVchxEZ6FDgdZ2a3NxmtMz3xAc yam2JM0dSo4ZaB1WfJpYJMfm2jBMOtA4Qx10wi19ytfdfKocceTGr2zZ01zQp/5T 9qEilQDt/bjpFZQ93qfXcdAK/u7xd3ZYJ+6ZwYWhrMDiwK9+0iRcdqrqUI6ETdqr UhUMgU0w4ukneWRqfqyhNeZQrQDYpkCsOGCwF+ruW6U3dHOljEKtMD6TyT6gZmX2 aUFrSLEq3LnJVjvAuDq/sHneWMYBIU10cSfl10FrD7G4ypnMLjoY2e5RB2fwlfje sFJthPl0OGt64Ix/cWuDfR6wUIfRi8IB57xajvAPQEUFKHZP2LHrpygBY9aOsPfW fqNoXp52CqznijhLp83kfTGezW8UY7bVNsAJ5a5oKlJ0X4X9d8E= =W/iT -----END PGP SIGNATURE----- Merge tag 'x86_microcode_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 microcode loading updates from Borislav Petkov: "The kernel carries a table of Intel CPUs family, model, stepping, etc tuples which say what is the latest microcode for that particular CPU. Some CPU variants differ only by the platform ID which determines what microcode needs to be loaded on them. Carve out the platform ID handling from the microcode loader and make it available in a more generic place so that the old microcode verification machinery can use it" * tag 'x86_microcode_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/microcode: Add platform mask to Intel microcode "old" list x86/cpu: Add platform ID to CPU matching structure x86/cpu: Add platform ID to CPU info structure x86/microcode: Refactor platform ID enumeration into a helper |
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e9635f2a73 |
- We made the FRED support an opt-in initially out of fear of it breaking
machines left and right in the case of a hw bug in the first generation of machines supporting it. Now that that the FRED code has seen a lot of hammering, flip the logic to be opt-out as is the usual case with new hw features -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndQUQACgkQEsHwGGHe VUpSQRAAqn7bxSqhZoLyzejovGxTSvHqSMaJGDhnkafA1xUNsiAvgONdMyQqxq3r XNQuLST/BCtYqllM7YLfJkKWAV+rpdp6teLA7QnxbU4BFEPwzKQ9OFDeiFDOTBMq 3Bde+t4YbwB05PpwPN8veZEEIXVDxPzzHe9I4M4x5VdsXhDHYVKuonR/DCAK1rpQ UKIXNhDGEcBdSCauOujtNwDZcmYTtcVpxWFkIwzOW0CiM8n/ys6forBTK90W3wg2 geL9r0LZqgBfeYdL16qqFtOCvqpE1pF9ot8JrPaQZa8r/Zw/wJ06faSjQcygQg/d 8gEJzC92eSU/IbwPdJBw/25D5vf/ZXztUgw2DDXCzQ6tBZ7N584YamVpHbh/WFRg degZ2Qu9AnLZquknBwJqp9y3nx8NQvIjsJZ/Q04+USh73LBlFhqHxwOcMGQ7yJHV nPhM9idlzcyTamjiJ1xw9WKx/07sI8P5SNmnte+XWJkbfwM5+mkhIuaRwH7IfRXu y/IODC3ulOLIKYyWN4ybUZnVXbUou5Fsz6o0tv6msAjStUj0O/mv/ImfiDLi6unU 73NQdXzYlFz6YKBvXfQxvjP3/r48i4XWeCc1wJMDAeOegXsBbJRDBuv27bE4kujp +7apQCe8BVyQDk0M+DdlnMUJRt0w6NHNakB671wJl+ooFDBENas= =XX9t -----END PGP SIGNATURE----- Merge tag 'x86_fred_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 FRED updates from Borislav Petkov: "We made the FRED support an opt-in initially out of fear of it breaking machines left and right in the case of a hw bug in the first generation of machines supporting it. Now that that the FRED code has seen a lot of hammering, flip the logic to be opt-out as is the usual case with new hw features" * tag 'x86_fred_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/fred: Remove kernel log message when initializing exceptions x86/fred: Enable FRED by default |
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fabd5a8d24 |
— Add return value descriptions to several internal functions, addressing
kernel-doc complaints — Add the x86 maintainer mailing list to the resctrl section so they are automatically included in patch submissions, and reference the applicable contribution rules document — Allow users to apply a single Capacity Bitmask to all cache domains at once using '*' as a shorthand, instead of having to specify each domain individually. This is particularly user-friendly on high core-count systems with many cache clusters - When a user provides a non-existent domain ID while configuring cache allocation, ensure the failure reason is properly reported to the user rather than silently returning an error with a misleading "ok" status -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndMwUACgkQEsHwGGHe VUpLVBAArlHpgeu4ZZObHirDCbZRfUgl2xgztcO54jzO2C3nTHfLAm0YKEs0AVok +q4rXo8UDLW7cnADtfyzvQnDfK5jNl0Atfq6IZZivTiZeJaQNJyCzJO8MRWGy1Ln QCJT3n0gw6rvm1K6Q07ASlo3R+Zg6z+wviB6nZsO278wWAvbBiPFS9u/iL0OysmY au104EcupeiI+YQ3LMmWAUPJrzJq6HzXZFMtGYR+n14R5SgdGc2u7oyzWshJDZF+ kIpWkmoPp2V9C7XkzfX+ItTcEjQWeMBZetKVCd764g67YRIrlsLy64hnBKplEUag nFCF9IXoFMqqWBnIU7SulG5I7eMpMG00tj0/G0QnVThOAJ2kER+Dyv6yCazsObdj GRzB35xO7fp2Aa+36Yi7HQJmTS8ugXbbEtZwQ6qlGrZBSn1vebekNOnhHPbTRxJV nef0rj1gnZW9ZOUX8/gaih8YJSssjCl5aw0L3mu8tA+lcMP0UZu9dLvbf1Mp/Gvr CZeTezvhJr6OaR76YBJCJvFT4qlDZscaCu9SeW1Tz73VVIe4Fl4Rl+bGovPuSgPo 15SGwoBPnzzInOfIoDOAga4dOslYz86jeg6oFNX5J+th6LYFppkxHZBU5SOsXN5J KYf997eH+K3XkG77D6JSQdIocSfxF6qTtGDUizBHgcymUWmophs= =uplN -----END PGP SIGNATURE----- Merge tag 'x86_cache_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 resource control updates from Borislav Petkov: - Add return value descriptions to several internal functions, addressing kernel-doc complaints - Add the x86 maintainer mailing list to the resctrl section so they are automatically included in patch submissions, and reference the applicable contribution rules document - Allow users to apply a single Capacity Bitmask to all cache domains at once using '*' as a shorthand, instead of having to specify each domain individually. This is particularly user-friendly on high core-count systems with many cache clusters - When a user provides a non-existent domain ID while configuring cache allocation, ensure the failure reason is properly reported to the user rather than silently returning an error with a misleading "ok" status * tag 'x86_cache_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: fs/resctrl: Add missing return value descriptions MAINTAINERS: Update resctrl entry fs/resctrl: Add "*" shorthand to set io_alloc CBM for all domains fs/resctrl: Report invalid domain ID when parsing io_alloc_cbm |
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883af1f8e8 |
- Print TDX module version during boot
- Make TDX attribute naming consistent -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmndRYkACgkQaDWVMHDJ krDp3Q/+LyUUBGw250JkI4DyVNJ6jS0DBa80QKdRVsiIi0u4L14EguNN73yV4TyG PwyoE8e1ecvdQTfCdm9Wt9FiIowlptBCu2DOGsO4AYAnGOuDIbvNAYZ+HDOzM4+2 g5QaGlbSw7bx/zFOhykOH58FWXz9tQ1TyyOw0aICPI83XMqE8xrMHKrGFIyOT9g1 hqPpegVmpMIjbTdYzb3pH1Be2Z4ymyOeAlzH0p+TIp9reX3qFLsOoD9PQxsDbekO AILNXZiu1dAg8FS5xqNIEZyoR+liYmcTQ/PhaGKvXV7ml8flylGvnz4FXijWzUvE kKtaMjA3JPJ/G8rcdR75T5CrGcTXXEOgl4GCbRUiEF55ocF4ds/DgABVV+YuoosO g+bFihYfeOJGkETQnBCjYjJ+NGcuBO6bpD5TqfN1vCsuemoRobNXKlSTS7PihynB 4GP98ELaLXmZzj8KzME1ysLgRj4mJDEGBtTfRm4iCLRB4Drx8Wv4ZwPMCDaMtWkQ T/+wRLd9q/WOdUCmXK+iawQ3LDxMQitIZguHHBNjKk2WfFYoxs0HoRV9OkgdjEVK zDzzCkx3945UnoyKX5h/lxPC1wyp9r54+4zsIY2jKTMNuVl773DYDMn5P1aKGxCQ YPrHlJrmmlSFuWzi9/Vx2dcZxNWoZ4YPfMrgrzP5P3EKwxUzX9w= =x+Yc -----END PGP SIGNATURE----- Merge tag 'x86_tdx_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 TDX updates from Dave Hansen: "The only real thing of note here is printing the TDX module version. This is a little silly on its own, but the upcoming TDX module update code needs the same TDX module call. This shrinks that set a wee bit. There's also few minor macro cleanups and a tweak to the GetQuote ABI to make it easier for userspace to detect zero-length (failed) quotes" * tag 'x86_tdx_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: virt: tdx-guest: Return error for GetQuote failures KVM/TDX: Rename KVM_SUPPORTED_TD_ATTRS to KVM_SUPPORTED_TDX_TD_ATTRS x86/tdx: Rename TDX_ATTR_* to TDX_TD_ATTR_* KVM/TDX: Remove redundant definitions of TDX_TD_ATTR_* x86/tdx: Fix the typo in TDX_ATTR_MIGRTABLE x86/virt/tdx: Print TDX module version during init x86/virt/tdx: Retrieve TDX module version |
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51efd08647 |
- Convert x86 code to use generic "pagetable" APIs and ptdescs
-----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmndEMIACgkQaDWVMHDJ krBe5Q/9FPMxtrRDSx/wAjbheg7ADDM3iKPqxMG6bywFGyaSUPeOSK9ZahjB+fiS WYTxdWeYeDlCXFAi9xaMb6z75ertnDs2rSifDyiRZHLMPgL9LOMmQYz/evV3RzVq r6uRMCqqoC3NbVuxxOGr4pXyxiw5l5iCkYYk4mhA+n6JMtvQqRknLnC7D/gkZCYT /N/BRgQjczibdIc9zJoNtMZ1TgbupEl30Ou3elx0+ptFNaKyyirHHhgQCeUQnTWE p5n013+1mU+mEVevugfd52Ww1sAyjlvihOhP1yAFRf272A+WCkZrOARa05JhQipF KjGW0+EgEMTTLrOyoUQPjSFFmAWOuU+E/9VM2Z2yuIGzXMpKQSrNRev2RRw9TNF/ N5s97DoRvg9zBRdCI72GQTUzVf+V3yy31djSmfRItxVLLy4szPl6ME8Pke8MzNuQ qJBLf0leWxoSPEqdrQbCPQciq9/G/ErD9Sz5s9aeAAxbWPe9FGoN43e2Kho+vvRz Ik9XQMpollGcBolskJM/4gj6kKt4F5JAHH5hoa7myt4r3v1ORv3CTCBoR7bvQbvd YytEB/hV7LKfD9W0YEznkg8OVukIHFsEdUDOQDrVrr62ZZ0mNCELeqOpNcgBOWF+ Iount8UFIpg0Y4zz3MZF/B8aEaMLilAuZF7TlE7Dz2XaiLK5sbs= =c+4k -----END PGP SIGNATURE----- Merge tag 'x86_mm_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 mm updates from Dave Hansen: - Convert x86 code to use generic "pagetable" APIs and ptdescs This aligns some the set_memory*() code better with the new page table APIs, especially using ptdescs as opposed to 'struct page' directly. * tag 'x86_mm_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/pat: Convert split_large_page() to use ptdescs x86/mm/pat: Convert populate_pgd() to use page table apis x86/mm/pat: Convert pmd code to use page table apis x86/mm/pat: Convert pte code to use page table apis |
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9f2bb6c7b3 |
- Complete LASS enabling: deal with vsyscall and EFI
- Clean up CPUID usage in newer Intel audio driver -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmndDsMACgkQaDWVMHDJ krAOhRAAi3BsToTbmKayQJKWwVr5aGbLYXe3FiBv5juPprsJDF4otd0ALkdbf5Ls n7nND4L9RBfcGZBu25vo60Y1I1b2JReu9Y8YXxsrEx+WIxTPYClOJa7AqakyNxc4 zbTCTv6TuEyXqG5VWe3AItWrMToc49TvUVoN2fi+V89fLWA8IOkMoIhbAWwQPBFI ir0N4UwC/RtRBFf9qc9jesirqGSgh6SEAK6oBYM3C2PV/njoKljTconaCnF7uJlq WxxVcb07dIvOdpdE941OZ6jyS6eePr2feXOazNjnPb0py5Ai4WCsEGdK68ltQ5fM EhY24Ex6ltudgphB/cajKIKZ8LUCWgnMwTotY8IQMQiQ47JKmyrucdLUwvhl0qTD IAWiOMvb5d3X+CoKt3lXlzc29WhbogXzvxjZE29ad8Dm7DVBEOV57bXDwhnHb7LS rro7odiohsw7FMhfqxlb6NhYzCbdpBbmY3IFzXVgTZlWIXU1g/yBVz/2O0qsKLaw QQ2NKre6lioP2H3pWc0fi53336svzCSuuExCiu47Hx9WcYBX1Poq/AkpAoxPErq+ DRn8lXVwqMpefevlHK9XlZjSpwwwltULmId3LFxh3Z53b1NABrKpVEEJ/VChpzzA xC8dLdu1pbJa2jdccL6mBDYlMvyWLCmKfAlAHdRh8nLmOZxKRHg= =kPr7 -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpu updates from Dave Hansen: - Complete LASS enabling: deal with vsyscall and EFI The existing Linear Address Space Separation (LASS) support punted on support for common EFI and vsyscall configs. Complete the implementation by supporting EFI and vsyscall=xonly. - Clean up CPUID usage in newer Intel "avs" audio driver and update the x86-cpuid-db file * tag 'x86_cpu_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools/x86/kcpuid: Update bitfields to x86-cpuid-db v3.0 ASoC: Intel: avs: Include CPUID header at file scope ASoC: Intel: avs: Check maximum valid CPUID leaf x86/cpu: Remove LASS restriction on vsyscall emulation x86/vsyscall: Disable LASS if vsyscall mode is set to EMULATE x86/vsyscall: Restore vsyscall=xonly mode under LASS x86/traps: Consolidate user fixups in the #GP handler x86/vsyscall: Reorganize the page fault emulation code x86/cpu: Remove LASS restriction on EFI x86/efi: Disable LASS while executing runtime services x86/cpu: Defer LASS enabling until userspace comes up |
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49b30f3e9c |
x86/vdso changes for v7.1, by Thomas Weißschuh:
- Clean up remnants of VDSO32_NOTE_MASK - Drop pointless #ifdeffery in vvar_vclock_fault() Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmncs7MRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hy/Q//SPYPyHlpuCHCRa8z/7NlVjrU9bEX1EqR NInMe4GERseJePLwBF1KD4MQJy4B6Cnuf9PA4m5bTlWuQRyzLeoKNxP/K6z2JtFO 5kU6tn58p68/hUqCzzSJHtHNC8pSMvG8nXVLrSFwDePwAhjFcE8LvV9nkxni1nd7 rntT/hen0mVmPfYofmKbJhnl73SjdV847mQOzY3V7Yhs8mh2v/wjmUpDMqUjq7hc wEGMoFgooM+gmV+LnGXrd5WbA39Go28YB5FYZcZ8HFHGPwVNzir6l1HmDDoaQTYq baq7vlUgrpU/Lt6VEhMyMfJmz1bN8vo3/1uNwruaA6bz77265wE0Lh+ajNnmSwLF kukxtT/7JU7SQnY/ND318gkqHkjIgjNA2WzZfXjBko8pcaO9nWFCuIkDiE4rKHzi +Wh3pjHvSAHVO4qOgUHlAWKw4f6cmVZ9XdDO4vwyn8zCc7Y0DWfbVSeXEuCMIfZB xoslglYrZ+yVkJt9P+B+xYdsvE7aEFtO6LOfMTcNUevWaKBXwS4Ldp94SAyYR7h7 aXd0Wz96yCIBsE5g2fC7+2jV7zFhHwULmIX+a8tLesYzMmhFabIaMsEWgUbEfQiT 8S/wmWaPCYPSzlwwFvL2o8mbf6JfscuobTAdo5Cn9dKgLI4D+o9X5I9NkCqIgRXL 3XYA/fVaAM4= =C60b -----END PGP SIGNATURE----- Merge tag 'x86-vdso-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 vdso updates from Ingo Molnar: "vdso cleanups by Thomas Weißschuh: - Clean up remnants of VDSO32_NOTE_MASK - Drop pointless #ifdeffery in vvar_vclock_fault()" * tag 'x86-vdso-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/vdso: Drop pointless #ifdeffery in vvar_vclock_fault() x86/vdso: Clean up remnants of VDSO32_NOTE_MASK |