No need for irq_of_parse_and_map since we have platform_device.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
No need to have a struct resource. Gets rid of the TODO.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Shannon Nelson <shannon.nelson@amd.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Kuniyuki Iwashima says:
====================
ipv4: Convert RTM_{NEW,DEL}ADDR and more to per-netns RTNL.
The IPv4 address hash table and GC are already namespacified.
This series converts RTM_NEWADDR/RTM_DELADDR and some more
RTNL users to per-netns RTNL.
Changes:
v2:
* Add patch 1 to address sparse warning for CONFIG_DEBUG_NET_SMALL_RTNL=n
* Add Eric's tags to patch 2-12
v1: https://lore.kernel.org/netdev/20241018012225.90409-1-kuniyu@amazon.com/
====================
Link: https://patch.msgid.link/20241021183239.79741-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
ioctl(SIOCGIFCONF) calls dev_ifconf() that operates on the current netns.
Let's use per-netns RTNL helpers in dev_ifconf() and inet_gifconf().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Basically, devinet_ioctl() operates on a single netns.
However, ioctl(SIOCSIFFLAGS) will trigger the netdev notifier
that could touch another netdev in different netns.
Let's use per-netns RTNL helper in devinet_ioctl() and place
ASSERT_RTNL() for SIOCSIFFLAGS.
We will remove ASSERT_RTNL() once RTM_SETLINK and RTM_DELLINK
are converted.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
devinet_sysctl_forward() touches only a single netns.
Let's use rtnl_trylock() and __in_dev_get_rtnl_net().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We will need the per-netns version of rtnl_trylock().
rtnl_net_trylock() calls __rtnl_net_lock() only when rtnl_trylock()
successfully holds RTNL.
When RTNL is removed, we will use mutex_trylock() for per-netns RTNL.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Since commit 1675f38521 ("ipv4: Namespacify IPv4 address GC."),
check_lifetime() works on a per-netns basis.
Let's use rtnl_net_lock() and rtnl_net_dereference().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Let's push down RTNL into inet_rtm_deladdr() as rtnl_net_lock().
Now, ip_mc_autojoin_config() is always called under per-netns RTNL,
so ASSERT_RTNL() can be replaced with ASSERT_RTNL_NET().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
inet_rtm_to_ifa() and find_matching_ifa() are called
under rtnl_net_lock().
__in_dev_get_rtnl() and in_dev_for_each_ifa_rtnl() there
can use per-netns RTNL helpers.
Let's define and use __in_dev_get_rtnl_net() and
in_dev_for_each_ifa_rtnl_net().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The address hash table and GC are already namespacified.
Let's push down RTNL into inet_rtm_newaddr() as rtnl_net_lock().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When we pass 0.0.0.0 to __inet_insert_ifa(), it frees ifa and returns 0.
We can do this check much earlier for RTM_NEWADDR even before allocating
struct in_ifaddr.
Let's move the validation to
1. inet_insert_ifa() for ioctl()
2. inet_rtm_newaddr() for RTM_NEWADDR
Now, we can remove the same check in find_matching_ifa().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
rtm_to_ifaddr() validates some attributes, looks up a netdev,
allocates struct in_ifaddr, and validates IFA_CACHEINFO.
There is no reason to delay IFA_CACHEINFO validation.
We will push RTNL down to inet_rtm_newaddr(), and then we want
to complete rtnetlink validation before rtnl_net_lock().
Let's factorise the validation parts.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
We will push RTNL down to each doit() as rtnl_net_lock().
We can use RTNL_FLAG_DOIT_UNLOCKED to call doit() without RTNL, but doit()
will still hold RTNL.
Let's define RTNL_FLAG_DOIT_PERNET as an alias of RTNL_FLAG_DOIT_UNLOCKED.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
When CONFIG_DEBUG_NET_SMALL_RTNL is off, rtnl_net_dereference() is the
static inline wrapper of rtnl_dereference() returning a plain (void *)
pointer to make sure net is always evaluated as requested in [0].
But, it makes sparse complain [1] when the pointer has __rcu annotation:
net/ipv4/devinet.c:674:47: sparse: warning: incorrect type in argument 2 (different address spaces)
net/ipv4/devinet.c:674:47: sparse: expected void *p
net/ipv4/devinet.c:674:47: sparse: got struct in_ifaddr [noderef] __rcu *
Also, if we evaluate net as (void *) in a macro, then the compiler
in turn fails to build due to -Werror=unused-value.
#define rtnl_net_dereference(net, p) \
({ \
(void *)net; \
rtnl_dereference(p); \
})
net/ipv4/devinet.c: In function ‘inet_rtm_deladdr’:
./include/linux/rtnetlink.h:154:17: error: statement with no effect [-Werror=unused-value]
154 | (void *)net; \
net/ipv4/devinet.c:674:21: note: in expansion of macro ‘rtnl_net_dereference’
674 | (ifa = rtnl_net_dereference(net, *ifap)) != NULL;
| ^~~~~~~~~~~~~~~~~~~~
Let's go back to the original simplest macro.
Note that checkpatch complains about this approach, but it's one-shot and
less noisy than the other two.
WARNING: Argument 'net' is not used in function-like macro
#76: FILE: include/linux/rtnetlink.h:142:
+#define rtnl_net_dereference(net, p) \
+ rtnl_dereference(p)
Fixes: 844e5e7e65 ("rtnetlink: Add assertion helpers for per-netns RTNL.")
Link: https://lore.kernel.org/netdev/20241004132145.7fd208e9@kernel.org/ [0]
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410200325.SaEJmyZS-lkp@intel.com/ [1]
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
mm layer is providing convenient functions, we do not have
to work around old limitations.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Gilad Naaman <gnaaman@drivenets.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Link: https://patch.msgid.link/20241022150059.1345406-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
ETHTOOL_MSG_PHY_NTF description is missing in the ethtool netlink spec.
Add it to the spec.
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Link: https://patch.msgid.link/20241022151418.875424-1-kory.maincent@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add the device name to the per device kmem_cache names to
ensure their uniqueness. This fixes warnings like this:
"kmem_cache of name 'mlx5_fs_fgs' already exists".
Signed-off-by: Sebastian Ott <sebott@redhat.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241023134146.28448-1-sebott@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add document about which modes have native XDP support.
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://patch.msgid.link/20241021031211.814-3-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bonding only supports native XDP for specific modes, which can lead to
confusion for users regarding why XDP loads successfully at times and
fails at others. This patch enhances error handling by returning detailed
error messages, providing users with clearer insights into the specific
reasons for the failure when loading native XDP.
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20241021031211.814-2-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Matthieu Baerts says:
====================
mptcp: various small improvements
The following patches are not related to each other.
- Patch 1: Avoid sending advertisements on stale subflows, reducing
risks on loosing them.
- Patch 2: Annotate data-races around subflow->fully_established, using
READ/WRITE_ONCE().
- Patch 3: A small clean-up on the PM side, avoiding a bit of duplicated
code.
- Patch 4: Use "Middlebox interference" MP_TCPRST code in reaction to a
packet received without MPTCP options in the middle of a connection.
====================
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-0-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
RFC8684 suggests use of "Middlebox interference (code 0x06)" in case of
fully established subflow that carries data at TCP level with no DSS
sub-option.
This is generally the case when mpext is NULL or mpext->use_map is 0:
use a dedicated value of 'mapping_status' and use it before closing the
socket in subflow_check_data_avail().
Link: https://github.com/multipath-tcp/mptcp_net-next/issues/518
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-4-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The MPTCP path manager event handler mptcp_pm_connection_closed
interface has been added in the commit 1b1c7a0ef7 ("mptcp: Add path
manager interface") but it was an empty function from then on.
With such name, it sounds good to invoke mptcp_event with the
MPTCP_EVENT_CLOSED event type from it. It also removes a bit of
duplicated code.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-3-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
We introduce the same handling for potential data races with the
'fully_established' flag in subflow as previously done for
msk->fully_established.
Additionally, we make a crucial change: convert the subflow's
'fully_established' from 'bit_field' to 'bool' type. This is
necessary because methods for avoiding data races don't work well
with 'bit_field'. Specifically, the 'READ_ONCE' needs to know
the size of the variable being accessed, which is not supported in
'bit_field'. Also, 'test_bit' expect the address of 'bit_field'.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/516
Signed-off-by: Gang Yan <yangang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-2-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If the subflow is considered as "staled", it is better to avoid it to
send an ACK carrying an ADD_ADDR or RM_ADDR. Another subflow, if any,
will then be selected.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-1-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move the BCM_SYSPORT_IO_MACRO() definition and its use to bcmsysport.h
where it is more appropriate and where static inline helpers are
acceptable. While at it, make sure that the macro 'offset' argument does
not trigger a checkpatch warning due to possible argument re-use.
Suggested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241021174935.57658-3-florian.fainelli@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Vladimir reported the following warning with clang-16 and W=1:
warning: unused function 'txchk_readl' [-Wunused-function]
BCM_SYSPORT_IO_MACRO(txchk, SYS_PORT_TXCHK_OFFSET);
note: expanded from macro 'BCM_SYSPORT_IO_MACRO'
warning: unused function 'txchk_writel' [-Wunused-function]
note: expanded from macro 'BCM_SYSPORT_IO_MACRO'
warning: unused function 'tbuf_readl' [-Wunused-function]
BCM_SYSPORT_IO_MACRO(tbuf, SYS_PORT_TBUF_OFFSET);
note: expanded from macro 'BCM_SYSPORT_IO_MACRO'
warning: unused function 'tbuf_writel' [-Wunused-function]
note: expanded from macro 'BCM_SYSPORT_IO_MACRO'
The TXCHK and RBUF blocks are not being accessed, remove the IO macros
used to access those blocks. No functional impact.
Reported-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241021174935.57658-2-florian.fainelli@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add tests that check if getsockopt(TCP_AO_GET_KEYS) returns the right
keys when using different filters.
Sample output:
> # ok 114 filter keys: by sndid, rcvid, address
> # ok 115 filter keys: by is_current
> # ok 116 filter keys: by is_rnext
> # ok 117 filter keys: by sndid, rcvid
> # ok 118 filter keys: correct nkeys when in.nkeys < matches
Acked-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Leo Stone <leocstone@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241021174652.6949-1-leocstone@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The AMD PCI vendor ID is already defined in <linux/pci_ids.h>.
Remove this local definition as it is not needed.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20241021153825.2536819-1-yazen.ghannam@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The PN553 is another NFC chip from NXP, document the compatible in the
bindings.
Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20241020205615.211256-2-danila@jiaxyga.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Commit 0aaa8977ac ("configs: introduce debug.config for CI-like setup")
added CONFIG_PROVE_RCU_LIST=y to the common CI config,
but RCU_EXPERT is not set, and it's a dependency for
CONFIG_PROVE_RCU_LIST=y. Make sure CIs take advantage
of CONFIG_PROVE_RCU_LIST=y, recent fixes in networking
indicate that it does catch bugs.
Reviewed-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241016011144.3058445-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
'ports_fwnode' is initialized via device_get_named_child_node(), which
requires a call to fwnode_handle_put() when the variable is no longer
required to avoid leaking memory.
Add the missing fwnode_handle_put() after 'ports_fwnode' has been used
and is no longer required.
Fixes: 94a2a84f5e ("net: dsa: mv88e6xxx: Support LED control")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the core_stats rx_dropped counter to avoid the cost of atomic
increments.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current release - regressions:
- posix-clock: Fix unbalanced locking in pc_clock_settime()
- netfilter: fix typo causing some targets not to load on IPv6
Current release - new code bugs:
- xfrm: policy: remove last remnants of pernet inexact list
Previous releases - regressions:
- core: fix races in netdev_tx_sent_queue()/dev_watchdog()
- bluetooth: fix UAF on sco_sock_timeout
- eth: hv_netvsc: fix VF namespace also in synthetic NIC NETDEV_REGISTER event
- eth: usbnet: fix name regression
- eth: be2net: fix potential memory leak in be_xmit()
- eth: plip: fix transmit path breakage
Previous releases - always broken:
- sched: deny mismatched skip_sw/skip_hw flags for actions created by classifiers
- netfilter: bpf: must hold reference on net namespace
- eth: virtio_net: fix integer overflow in stats
- eth: bnxt_en: replace ptp_lock with irqsave variant
- eth: octeon_ep: add SKB allocation failures handling in __octep_oq_process_rx()
Misc:
- MAINTAINERS: add Simon as an official reviewer
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfiler, xfrm and bluetooth.
Oddly this includes a fix for a posix clock regression; in our
previous PR we included a change there as a pre-requisite for
networking one. That fix proved to be buggy and requires the follow-up
included here. Thomas suggested we should send it, given we sent the
buggy patch.
Current release - regressions:
- posix-clock: Fix unbalanced locking in pc_clock_settime()
- netfilter: fix typo causing some targets not to load on IPv6
Current release - new code bugs:
- xfrm: policy: remove last remnants of pernet inexact list
Previous releases - regressions:
- core: fix races in netdev_tx_sent_queue()/dev_watchdog()
- bluetooth: fix UAF on sco_sock_timeout
- eth: hv_netvsc: fix VF namespace also in synthetic NIC
NETDEV_REGISTER event
- eth: usbnet: fix name regression
- eth: be2net: fix potential memory leak in be_xmit()
- eth: plip: fix transmit path breakage
Previous releases - always broken:
- sched: deny mismatched skip_sw/skip_hw flags for actions created by
classifiers
- netfilter: bpf: must hold reference on net namespace
- eth: virtio_net: fix integer overflow in stats
- eth: bnxt_en: replace ptp_lock with irqsave variant
- eth: octeon_ep: add SKB allocation failures handling in
__octep_oq_process_rx()
Misc:
- MAINTAINERS: add Simon as an official reviewer"
* tag 'net-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (40 commits)
net: dsa: mv88e6xxx: support 4000ps cycle counter period
net: dsa: mv88e6xxx: read cycle counter period from hardware
net: dsa: mv88e6xxx: group cycle counter coefficients
net: usb: qmi_wwan: add Fibocom FG132 0x0112 composition
hv_netvsc: Fix VF namespace also in synthetic NIC NETDEV_REGISTER event
net: dsa: microchip: disable EEE for KSZ879x/KSZ877x/KSZ876x
Bluetooth: ISO: Fix UAF on iso_sock_timeout
Bluetooth: SCO: Fix UAF on sco_sock_timeout
Bluetooth: hci_core: Disable works on hci_unregister_dev
posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime()
r8169: avoid unsolicited interrupts
net: sched: use RCU read-side critical section in taprio_dump()
net: sched: fix use-after-free in taprio_change()
net/sched: act_api: deny mismatched skip_sw/skip_hw flags for actions created by classifiers
net: usb: usbnet: fix name regression
mlxsw: spectrum_router: fix xa_store() error checking
virtio_net: fix integer overflow in stats
net: fix races in netdev_tx_sent_queue()/dev_watchdog()
net: wwan: fix global oob in wwan_rtnl_policy
netfilter: xtables: fix typo causing some targets not to load on IPv6
...
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Merge tag 'loongarch-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
"Get correct cores_per_package for SMT systems, enable IRQ if do_ale()
triggered in irq-enabled context, and fix some bugs about vDSO, memory
managenent, hrtimer in KVM, etc"
* tag 'loongarch-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
LoongArch: KVM: Mark hrtimer to expire in hard interrupt context
LoongArch: Make KASAN usable for variable cpu_vabits
LoongArch: Set initial pte entry with PAGE_GLOBAL for kernel space
LoongArch: Don't crash in stack_top() for tasks without vDSO
LoongArch: Set correct size for vDSO code mapping
LoongArch: Enable IRQ if do_ale() triggered in irq-enabled context
LoongArch: Get correct cores_per_package for SMT systems
LoongArch: Use "Exception return address" to comment ERA
- objpool: Fix choosing allocation for percpu slots
Fixes to allocate objpool's percpu slots correctly according to the
GFP flag. It checks whether "any bit" in GFP_ATOMIC is set to choose
the vmalloc source, but it should check "all bits" in GFP_ATOMIC flag
is set, because GFP_ATOMIC is a combined flag.
- tracing/probes: Fix MAX_TRACE_ARGS limit handling
If more than MAX_TRACE_ARGS are passed for creating a probe event, the
entries over MAX_TRACE_ARG in trace_arg array are not initialized.
Thus if the kernel accesses those entries, it crashes. This rejects
creating event if the number of arguments is over MAX_TRACE_ARGS.
- tracing: Consider the NULL character when validating the event length
A strlen() is used when parsing the event name, and the original code
does not consider the terminal null byte. Thus it can pass the name
1 byte longer than the buffer. This fixes to check it correctly.
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Merge tag 'probes-fixes-v6.12-rc4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- objpool: Fix choosing allocation for percpu slots
Fixes to allocate objpool's percpu slots correctly according to the
GFP flag. It checks whether "any bit" in GFP_ATOMIC is set to choose
the vmalloc source, but it should check "all bits" in GFP_ATOMIC flag
is set, because GFP_ATOMIC is a combined flag.
- tracing/probes: Fix MAX_TRACE_ARGS limit handling
If more than MAX_TRACE_ARGS are passed for creating a probe event,
the entries over MAX_TRACE_ARG in trace_arg array are not
initialized. Thus if the kernel accesses those entries, it crashes.
This rejects creating event if the number of arguments is over
MAX_TRACE_ARGS.
- tracing: Consider the NUL character when validating the event length
A strlen() is used when parsing the event name, and the original code
does not consider the terminal null byte. Thus it can pass the name
one byte longer than the buffer. This fixes to check it correctly.
* tag 'probes-fixes-v6.12-rc4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Consider the NULL character when validating the event length
tracing/probes: Fix MAX_TRACE_ARGS limit handling
objpool: fix choosing allocation for percpu slots
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Merge tag 'for-6.12-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- mount option fixes:
- fix handling of compression mount options on remount
- reject rw remount in case there are options that don't work
in read-write mode (like rescue options)
- fix zone accounting of unusable space
- fix in-memory corruption when merging extent maps
- fix delalloc range locking for sector < page
- use more convenient default value of drop subtree threshold, clean
more subvolumes without the fallback to marking quotas inconsistent
- fix smatch warning about incorrect value passed to ERR_PTR
* tag 'for-6.12-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix passing 0 to ERR_PTR in btrfs_search_dir_index_item()
btrfs: reject ro->rw reconfiguration if there are hard ro requirements
btrfs: fix read corruption due to race with extent map merging
btrfs: fix the delalloc range locking if sector size < page size
btrfs: qgroup: set a more sane default value for subtree drop threshold
btrfs: clear force-compress on remount when compress mount option is given
btrfs: zoned: fix zone unusable accounting for freed reserved extent
Lots of hotfixes:
- transaction restart injection has been shaking out a few things
- fix a data corruption in the buffered write path on -ENOSPC, found by
xfstests generic/299
- Some small show_options fixes
- Repair mismatches in inode hash type, seed: different snapshot
versions of an inode must have the same hash/type seed, used for
directory entries and xattrs. We were checking the hash seed, but not
the type, and a user contributed a filesystem where the hash type on
one inode had somehow been flipped; these fixes allow his filesystem
to repair.
Additionally, the hash type flip made some directory entries
invisible, which were then recreated by userspace; so the hash check
code now checks for duplicate non dangling dirents, and renames one of
them if necessary.
- Don't use wait_event_interruptible() in recovery: this fixes some
filesystems failing to mount with -ERESTARTSYS
- Workaround for kvmalloc not supporting > INT_MAX allocations, causing
an -ENOMEM when allocating the sorted array of journal keys: this
allows a 75 TB filesystem to mount
- Make sure bch_inode_unpacked.bi_snapshot is set in the old inode
compat path: this alllows Marcin's filesystem (in use since before
6.7) to repair and mount.
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Merge tag 'bcachefs-2024-10-22' of https://github.com/koverstreet/bcachefs
Pull bcachefs fixes from Kent Overstreet:
"Lots of hotfixes:
- transaction restart injection has been shaking out a few things
- fix a data corruption in the buffered write path on -ENOSPC, found
by xfstests generic/299
- Some small show_options fixes
- Repair mismatches in inode hash type, seed: different snapshot
versions of an inode must have the same hash/type seed, used for
directory entries and xattrs. We were checking the hash seed, but
not the type, and a user contributed a filesystem where the hash
type on one inode had somehow been flipped; these fixes allow his
filesystem to repair.
Additionally, the hash type flip made some directory entries
invisible, which were then recreated by userspace; so the hash
check code now checks for duplicate non dangling dirents, and
renames one of them if necessary.
- Don't use wait_event_interruptible() in recovery: this fixes some
filesystems failing to mount with -ERESTARTSYS
- Workaround for kvmalloc not supporting > INT_MAX allocations,
causing an -ENOMEM when allocating the sorted array of journal
keys: this allows a 75 TB filesystem to mount
- Make sure bch_inode_unpacked.bi_snapshot is set in the old inode
compat path: this alllows Marcin's filesystem (in use since before
6.7) to repair and mount"
* tag 'bcachefs-2024-10-22' of https://github.com/koverstreet/bcachefs: (26 commits)
bcachefs: Set bch_inode_unpacked.bi_snapshot in old inode path
bcachefs: Mark more errors as AUTOFIX
bcachefs: Workaround for kvmalloc() not supporting > INT_MAX allocations
bcachefs: Don't use wait_event_interruptible() in recovery
bcachefs: Fix __bch2_fsck_err() warning
bcachefs: fsck: Improve hash_check_key()
bcachefs: bch2_hash_set_or_get_in_snapshot()
bcachefs: Repair mismatches in inode hash seed, type
bcachefs: Add hash seed, type to inode_to_text()
bcachefs: INODE_STR_HASH() for bch_inode_unpacked
bcachefs: Run in-kernel offline fsck without ratelimit errors
bcachefs: skip mount option handle for empty string.
bcachefs: fix incorrect show_options results
bcachefs: Fix data corruption on -ENOSPC in buffered write path
bcachefs: bch2_folio_reservation_get_partial() is now better behaved
bcachefs: fix disk reservation accounting in bch2_folio_reservation_get()
bcachefS: ec: fix data type on stripe deletion
bcachefs: Don't use commit_do() unnecessarily
bcachefs: handle restarts in bch2_bucket_io_time_reset()
bcachefs: fix restart handling in __bch2_resume_logged_op_finsert()
...
This reverts commit 1325e4a91a.
using multipage folios apparently break some madvise operations like
MADV_PAGEOUT which do not reliably unload the specified page anymore,
Revert the patch until that is figured out.
Reported-by: Andrii Nakryiko <andrii@kernel.org>
Fixes: 1325e4a91a ("9p: Enable multipage folios")
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Set the initial rec_seq to 0xffffffffffffffff so that it wraps
immediately. The send() call should fail with EBADMSG.
A bug in this code was fixed in commit cfaa80c91f ("net/tls: do not
free tls_rec on async operation in bpf_exec_tx_verdict()").
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20775fcfd0371422921ee60a42de170c0398ac10.1729244987.git.sd@queasysnail.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Kuniyuki Iwashima says:
====================
phonet: Convert all doit() and dumpit() to RCU.
addr_doit() and route_doit() access only phonet_device_list(dev_net(dev))
and phonet_pernet(dev_net(dev))->routes, respectively.
Each per-netns struct has its dedicated mutex, and RTNL also protects
the structs. __dev_change_net_namespace() has synchronize_net(), so
we have two options to convert addr_doit() and route_doit().
1. Use per-netns RTNL
2. Use RCU and convert each struct mutex to spinlock_t
As RCU is preferable, this series converts all PF_PHONET's doit()
and dumpit() to RCU.
4 doit()s and 1 dumpit() are now converted to RCU, 70 doit()s and
28 dumpit()s are still under RTNL.
====================
Link: https://patch.msgid.link/20241017183140.43028-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Now only __dev_get_by_index() depends on RTNL in route_doit().
Let's use dev_get_by_index_rcu() and register route_doit() with
RTNL_FLAG_DOIT_UNLOCKED.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
route_doit() calls phonet_route_add() or phonet_route_del()
for RTM_NEWROUTE or RTM_DELROUTE, respectively.
Both functions only touch phonet_pernet(dev_net(dev))->routes,
which is currently protected by RTNL and its dedicated mutex,
phonet_routes.lock.
We will convert route_doit() to RCU and cannot use mutex inside RCU.
Let's convert the mutex to spinlock_t.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
