* kvm-arm64/shadow-mmu:
: Shadow stage-2 MMU support for NV, courtesy of Marc Zyngier
:
: Initial implementation of shadow stage-2 page tables to support a guest
: hypervisor. In the author's words:
:
: So here's the 10000m (approximately 30000ft for those of you stuck
: with the wrong units) view of what this is doing:
:
: - for each {VMID,VTTBR,VTCR} tuple the guest uses, we use a
: separate shadow s2_mmu context. This context has its own "real"
: VMID and a set of page tables that are the combination of the
: guest's S2 and the host S2, built dynamically one fault at a time.
:
: - these shadow S2 contexts are ephemeral, and behave exactly as
: TLBs. For all intent and purposes, they *are* TLBs, and we discard
: them pretty often.
:
: - TLB invalidation takes three possible paths:
:
: * either this is an EL2 S1 invalidation, and we directly emulate
: it as early as possible
:
: * or this is an EL1 S1 invalidation, and we need to apply it to
: the shadow S2s (plural!) that match the VMID set by the L1 guest
:
: * or finally, this is affecting S2, and we need to teardown the
: corresponding part of the shadow S2s, which invalidates the TLBs
KVM: arm64: nv: Truely enable nXS TLBI operations
KVM: arm64: nv: Add handling of NXS-flavoured TLBI operations
KVM: arm64: nv: Add handling of range-based TLBI operations
KVM: arm64: nv: Add handling of outer-shareable TLBI operations
KVM: arm64: nv: Invalidate TLBs based on shadow S2 TTL-like information
KVM: arm64: nv: Tag shadow S2 entries with guest's leaf S2 level
KVM: arm64: nv: Handle FEAT_TTL hinted TLB operations
KVM: arm64: nv: Handle TLBI IPAS2E1{,IS} operations
KVM: arm64: nv: Handle TLBI ALLE1{,IS} operations
KVM: arm64: nv: Handle TLBI VMALLS12E1{,IS} operations
KVM: arm64: nv: Handle TLB invalidation targeting L2 stage-1
KVM: arm64: nv: Handle EL2 Stage-1 TLB invalidation
KVM: arm64: nv: Add Stage-1 EL2 invalidation primitives
KVM: arm64: nv: Unmap/flush shadow stage 2 page tables
KVM: arm64: nv: Handle shadow stage 2 page faults
KVM: arm64: nv: Implement nested Stage-2 page table walk logic
KVM: arm64: nv: Support multiple nested Stage-2 mmu structures
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
* kvm-arm64/ffa-1p1:
: Improvements to the pKVM FF-A Proxy, courtesy of Sebastian Ene
:
: Various minor improvements to how host FF-A calls are proxied with the
: TEE, along with support for v1.1 of the protocol.
KVM: arm64: Use FF-A 1.1 with pKVM
KVM: arm64: Update the identification range for the FF-A smcs
KVM: arm64: Add support for FFA_PARTITION_INFO_GET
KVM: arm64: Trap FFA_VERSION host call in pKVM
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
* kvm-arm64/misc:
: Miscellaneous updates
:
: - Provide a command-line parameter to statically control the WFx trap
: selection in KVM
:
: - Make sysreg masks allocation accounted
Revert "KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity"
KVM: arm64: nv: Use GFP_KERNEL_ACCOUNT for sysreg_masks allocation
KVM: arm64: nv: Fix RESx behaviour of disabled FGTs with negative polarity
KVM: arm64: Add early_param to control WFx trapping
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This reverts commit eb9d53d4a9.
As Marc pointed out on the list [*], this patch is wrong, and those who
find themselves in the SOB chain should have their heads checked.
Annoyingly, the architecture has some FGT trap bits that are negative
(i.e. 0 implies trap), and there was some confusion how KVM handles
this for nested guests. However, it is clear now that KVM honors the
RES0-ness of FGT traps already, meaning traps for features never exposed
to the guest hypervisor get handled at L0. As they should.
Link: https://lore.kernel.org/kvmarm/86bk3c3uss.wl-maz@kernel.org/T/#mb9abb3dd79f6a4544a91cb35676bd637c3a5e836
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Although we now have support for nXS-flavoured TLBI instructions,
we still don't expose the feature to the guest thanks to a mixture
of misleading comment and use of a bunch of magic values.
Fix the comment and correctly express the masking of LS64, which
is enough to expose nXS to the world. Not that anyone cares...
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240703154743.824824-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Of course, userspace is in the driver's seat for struct kvm and
associated allocations. Make sure the sysreg_masks allocation
participates in kmem accounting.
Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240617181018.2054332-1-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Latest kid on the block: NXS (Non-eXtra-Slow) TLBI operations.
Let's add those in bulk (NSH, ISH, OSH, both normal and range)
as they directly map to their XS (the standard ones) counterparts.
Not a lot to say about them, they are basically useless.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-17-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
We already support some form of range operation by handling FEAT_TTL,
but so far the "arbitrary" range operations are unsupported.
Let's fix that.
For EL2 S1, this is simple enough: we just map both NSH, ISH and OSH
instructions onto the ISH version for EL1.
For TLBI instructions affecting EL1 S1, we use the same model as
their non-range counterpart to invalidate in the context of the
correct VMID.
For TLBI instructions affecting S2, we interpret the data passed
by the guest to compute the range and use that to tear-down part
of the shadow S2 range and invalidate the TLBs.
Finally, we advertise FEAT_TLBIRANGE if the host supports it.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-16-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Our handling of outer-shareable TLBIs is pretty basic: we just
map them to the existing inner-shareable ones, because we really
don't have anything else.
The only significant change is that we can now advertise FEAT_TLBIOS
support if the host supports it.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-15-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
In order to be able to make S2 TLB invalidations more performant on NV,
let's use a scheme derived from the FEAT_TTL extension.
If bits [56:55] in the leaf descriptor translating the address in the
corresponding shadow S2 are non-zero, they indicate a level which can
be used as an invalidation range. This allows further reduction of the
systematic over-invalidation that takes place otherwise.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-14-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Populate bits [56:55] of the leaf entry with the level provided
by the guest's S2 translation. This will allow us to better scope
the invalidation by remembering the mapping size.
Of course, this assume that the guest will issue an invalidation
with an address that falls into the same leaf. If the guest doesn't,
we'll over-invalidate.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-13-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Support guest-provided information information to size the range of
required invalidation. This helps with reducing over-invalidation,
provided that the guest actually provides accurate information.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-12-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
TLBI IPAS2E1* are the last class of TLBI instructions we need
to handle. For each matching S2 MMU context, we invalidate a
range corresponding to the largest possible mapping for that
context.
At this stage, we don't handle TTL, which means we are likely
over-invalidating. Further patches will aim at making this
a bit better.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-11-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
TLBI ALLE1* is a pretty big hammer that invalides all S1/S2 TLBs.
This translates into the unmapping of all our shadow S2 PTs, itself
resulting in the corresponding TLB invalidations.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-10-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Emulating TLBI VMALLS12E1* results in tearing down all the shadow
S2 PTs that match the current VMID, since our shadow S2s are just
some form of SW-managed TLBs. That teardown itself results in a
full TLB invalidation for both S1 and S2.
This can result in over-invalidation if two vcpus use the same VMID
to tag private S2 PTs, but this is still correct from an architecture
perspective.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-9-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
While dealing with TLB invalidation targeting the guest hypervisor's
own stage-1 was easy, doing the same thing for its own guests is
a bit more involved.
Since such an invalidation is scoped by VMID, it needs to apply to
all s2_mmu contexts that have been tagged by that VMID, irrespective
of the value of VTTBR_EL2.BADDR.
So for each s2_mmu context matching that VMID, we invalidate the
corresponding TLBs, each context having its own "physical" VMID.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-8-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Due to the way FEAT_NV2 suppresses traps when accessing EL2
system registers, we can't track when the guest changes its
HCR_EL2.TGE setting. This means we always trap EL1 TLBIs,
even if they don't affect any L2 guest.
Given that invalidating the EL2 TLBs doesn't require any messing
with the shadow stage-2 page-tables, we can simply emulate the
instructions early and return directly to the guest.
This is conditioned on the instruction being an EL1 one and
the guest's HCR_EL2.{E2H,TGE} being {1,1} (indicating that
the instruction targets the EL2 S1 TLBs), or the instruction
being one of the EL2 ones (which are not ambiguous).
EL1 TLBIs issued with HCR_EL2.{E2H,TGE}={1,0} are not handled
here, and cause a full exit so that they can be handled in
the context of a VMID.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-7-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Provide the primitives required to handle TLB invalidation for
Stage-1 EL2 TLBs, which by definition do not require messing
with the Stage-2 page tables.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-6-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Unmap/flush shadow stage 2 page tables for the nested VMs as well as the
stage 2 page table for the guest hypervisor.
Note: A bunch of the code in mmu.c relating to MMU notifiers is
currently dealt with in an extremely abrupt way, for example by clearing
out an entire shadow stage-2 table. This will be handled in a more
efficient way using the reverse mapping feature in a later version of
the patch series.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-5-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
If we are faulting on a shadow stage 2 translation, we first walk the
guest hypervisor's stage 2 page table to see if it has a mapping. If
not, we inject a stage 2 page fault to the virtual EL2. Otherwise, we
create a mapping in the shadow stage 2 page table.
Note that we have to deal with two IPAs when we got a shadow stage 2
page fault. One is the address we faulted on, and is in the L2 guest
phys space. The other is from the guest stage-2 page table walk, and is
in the L1 guest phys space. To differentiate them, we rename variables
so that fault_ipa is used for the former and ipa is used for the latter.
When mapping a page in a shadow stage-2, special care must be taken not
to be more permissive than the guest is.
Co-developed-by: Christoffer Dall <christoffer.dall@linaro.org>
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-4-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Based on the pseudo-code in the ARM ARM, implement a stage 2 software
page table walker.
Co-developed-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Jintack Lim <jintack.lim@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-3-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Add Stage-2 mmu data structures for virtual EL2 and for nested guests.
We don't yet populate shadow Stage-2 page tables, but we now have a
framework for getting to a shadow Stage-2 pgd.
We allocate twice the number of vcpus as Stage-2 mmu structures because
that's sufficient for each vcpu running two translation regimes without
having to flush the Stage-2 page tables.
Co-developed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-2-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Now that the layout of the structures is compatible with 1.1 it is time
to probe the 1.1 version of the FF-A protocol inside the hypervisor. If
the TEE doesn't support it, it should return the minimum supported
version.
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240613132035.1070360-5-sebastianene@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The FF-A spec 1.2 reserves the following ranges for identifying FF-A
calls:
0x84000060-0x840000FF: FF-A 32-bit calls
0xC4000060-0xC40000FF: FF-A 64-bit calls.
Use the range identification according to the spec and allow calls that
are currently out of the range(eg. FFA_MSG_SEND_DIRECT_REQ2) to be
identified correctly.
Acked-by: Will Deacon <will@kernel.org>
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240613132035.1070360-4-sebastianene@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Handle the FFA_PARTITION_INFO_GET host call inside the pKVM hypervisor
and copy the response message back to the host buffers.
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240613132035.1070360-3-sebastianene@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The pKVM hypervisor initializes with FF-A version 1.0. The spec requires
that no other FF-A calls to be issued before the version negotiation
phase is complete. Split the hypervisor proxy initialization code in two
parts so that we can move the later one after the host negotiates its
version.
Without trapping the call, the host drivers can negotiate a higher
version number with TEE which can result in a different memory layout
described during the memory sharing calls.
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240613132035.1070360-2-sebastianene@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The Fine Grained Trap extension is pretty messy as it doesn't
consistently use the same polarity for all trap bits. A bunch
of them, added later in the life of the architecture, have a
*negative* priority.
So if these bits are disabled, they must be RES1 and not RES0.
But that's not what the code implements, making the traps for
these negative trap bits being always on instead of disabled.
Fix the relevant bits, and stick a brown paper bag on my head
for the rest of the day...
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614125858.78361-1-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Add an early_params to control WFI and WFE trapping. This is to
control the degree guests can wait for interrupts on their own without
being trapped by KVM. Options for each param are trap and notrap. trap
enables the trap. notrap disables the trap. Note that when enabled,
traps are allowed but not guaranteed by the CPU architecture. Absent
an explicitly set policy, default to current behavior: disabling the
trap if only a single task is running and enabling otherwise.
Signed-off-by: Colton Lewis <coltonlewis@google.com>
Reviewed-by: Jing Zhang <jingzhangos@google.com>
Link: https://lore.kernel.org/r/20240523174056.1565133-1-coltonlewis@google.com
[ oliver: rework kvm_vcpu_should_clear_tw*() for readability ]
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
- Update copies of kernel headers, which resulted in support for the new
'mseal' syscall, SUBVOL statx return mask bit, RISC-V and PPC prctls,
fcntl's DUPFD_QUERY, POSTED_MSI_NOTIFICATION IRQ vector, 'map_shadow_stack'
syscall for x86-32.
- Revert perf.data record memory allocation optimization that ended up
causing a regression, work is being done to re-introduce it in the
next merge window.
- Fix handling of minimal vmlinux.h file used with BPF's CO-RE when
interrupting the build.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v6.10-2-2024-06-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Update copies of kernel headers, which resulted in support for the
new 'mseal' syscall, SUBVOL statx return mask bit, RISC-V and PPC
prctls, fcntl's DUPFD_QUERY, POSTED_MSI_NOTIFICATION IRQ vector,
'map_shadow_stack' syscall for x86-32.
- Revert perf.data record memory allocation optimization that ended up
causing a regression, work is being done to re-introduce it in the
next merge window.
- Fix handling of minimal vmlinux.h file used with BPF's CO-RE when
interrupting the build.
* tag 'perf-tools-fixes-for-v6.10-2-2024-06-09' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf bpf: Fix handling of minimal vmlinux.h file when interrupting the build
Revert "perf record: Reduce memory for recording PERF_RECORD_LOST_SAMPLES event"
tools headers arm64: Sync arm64's cputype.h with the kernel sources
tools headers uapi: Sync linux/stat.h with the kernel sources to pick STATX_SUBVOL
tools headers UAPI: Update i915_drm.h with the kernel sources
tools headers UAPI: Sync kvm headers with the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers: Update the syscall tables and unistd.h, mostly to support the new 'mseal' syscall
perf trace beauty: Update the arch/x86/include/asm/irq_vectors.h copy with the kernel sources to pick POSTED_MSI_NOTIFICATION
perf beauty: Update copy of linux/socket.h with the kernel sources
tools headers UAPI: Sync fcntl.h with the kernel sources to pick F_DUPFD_QUERY
tools headers UAPI: Sync linux/prctl.h with the kernel sources
tools include UAPI: Sync linux/stat.h with the kernel sources
propagated all the way up to the module loading functions
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Merge tag 'edac_urgent_for_v6.10_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fixes from Borislav Petkov:
- Convert PCI core error codes to proper error numbers since latter get
propagated all the way up to the module loading functions
* tag 'edac_urgent_for_v6.10_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/igen6: Convert PCIBIOS_* return codes to errnos
EDAC/amd64: Convert PCIBIOS_* return codes to errnos
driver was registering clkdev lookups that were always going to be
useless. This wasn't a problem until clkdev started returning an error
in these cases, causing this driver to fail probe, and thus boot to fail
because clks are essential for most drivers. The fix is simple, don't
use clkdev because this is a DT based system where clkdev isn't used.
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"One fix for the SiFive PRCI clocks so that the device boots again.
This driver was registering clkdev lookups that were always going to
be useless. This wasn't a problem until clkdev started returning an
error in these cases, causing this driver to fail probe, and thus boot
to fail because clks are essential for most drivers. The fix is
simple, don't use clkdev because this is a DT based system where
clkdev isn't used"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: sifive: Do not register clkdevs for PRCI clocks
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Merge tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Two small smb3 client fixes:
- fix deadlock in umount
- minor cleanup due to netfs change"
* tag '6.10-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: Don't advance the I/O iterator before terminating subrequest
smb: client: fix deadlock in smb2_find_smb_tcon()
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Merge tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- fix potential read out of bounds in hid-asus (Andrew Ballance)
- fix endian-conversion on little endian systems in intel-ish-hid (Arnd
Bergmann)
- A couple of new input event codes (Aseda Aboagye)
- errors handling fixes in hid-nvidia-shield (Chen Ni), hid-nintendo
(Christophe JAILLET), hid-logitech-dj (José Expósito)
- current leakage fix while the device is in suspend on a i2c-hid
laptop (Johan Hovold)
- other assorted smaller fixes and device ID / quirk entry additions
* tag 'for-linus-2024060801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: Ignore battery for ELAN touchscreens 2F2C and 4116
HID: i2c-hid: elan: fix reset suspend current leakage
dt-bindings: HID: i2c-hid: elan: add 'no-reset-on-power-off' property
dt-bindings: HID: i2c-hid: elan: add Elan eKTH5015M
dt-bindings: HID: i2c-hid: add dedicated Ilitek ILI2901 schema
input: Add support for "Do Not Disturb"
input: Add event code for accessibility key
hid: asus: asus_report_fixup: fix potential read out of bounds
HID: logitech-hidpp: add missing MODULE_DESCRIPTION() macro
HID: intel-ish-hid: fix endian-conversion
HID: nintendo: Fix an error handling path in nintendo_hid_probe()
HID: logitech-dj: Fix memory leak in logi_dj_recv_switch_to_dj_mode()
HID: core: remove unnecessary WARN_ON() in implement()
HID: nvidia-shield: Add missing check for input_ff_create_memless
HID: intel-ish-hid: Fix build error for COMPILE_TEST
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
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Merge tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix the initial state of the save button in 'make gconfig'
- Improve the Kconfig documentation
- Fix a Kconfig bug regarding property visibility
- Fix build breakage for systems where 'sed' is not installed in /bin
- Fix a false warning about missing MODULE_DESCRIPTION()
* tag 'kbuild-fixes-v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: do not warn about missing MODULE_DESCRIPTION() for vmlinux.o
kbuild: explicitly run mksysmap as sed script from link-vmlinux.sh
kconfig: remove wrong expr_trans_bool()
kconfig: doc: document behavior of 'select' and 'imply' followed by 'if'
kconfig: doc: fix a typo in the note about 'imply'
kconfig: gconf: give a proper initial state to the Save button
kconfig: remove unneeded code for user-supplied values being out of range
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Merge tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
- fixes for the new ipu6 driver (and related fixes to mei csi driver)
- fix a double debugfs remove logic at mgb4 driver
- a documentation fix
* tag 'media/v6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
media: intel/ipu6: add csi2 port sanity check in notifier bound
media: intel/ipu6: update the maximum supported csi2 port number to 6
media: mei: csi: Warn less verbosely of a missing device fwnode
media: mei: csi: Put the IPU device reference
media: intel/ipu6: fix the buffer flags caused by wrong parentheses
media: intel/ipu6: Fix an error handling path in isys_probe()
media: intel/ipu6: Move isys_remove() close to isys_probe()
media: intel/ipu6: Fix some redundant resources freeing in ipu6_pci_remove()
media: Documentation: v4l: Fix ACTIVE route flag
media: mgb4: Fix double debugfs remove
that can result in missed wakeups and hung tasks.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf event fix from Ingo Molnar:
"Fix race between perf_event_free_task() and perf_event_release_kernel()
that can result in missed wakeups and hung tasks"
* tag 'perf-urgent-2024-06-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix missing wakeup when waiting for context reference
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details.
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Merge tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"14 hotfixes, 6 of which are cc:stable.
All except the nilfs2 fix affect MM and all are singletons - see the
chagelogs for details"
* tag 'mm-hotfixes-stable-2024-06-07-15-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors
mm: fix xyz_noprof functions calling profiled functions
codetag: avoid race at alloc_slab_obj_exts
mm/hugetlb: do not call vma_add_reservation upon ENOMEM
mm/ksm: fix ksm_zero_pages accounting
mm/ksm: fix ksm_pages_scanned accounting
kmsan: do not wipe out origin when doing partial unpoisoning
vmalloc: check CONFIG_EXECMEM in is_vmalloc_or_module_addr()
mm: page_alloc: fix highatomic typing in multi-block buddies
nilfs2: fix potential kernel bug due to lack of writeback flag waiting
memcg: remove the lockdep assert from __mod_objcg_mlstate()
mm: arm64: fix the out-of-bounds issue in contpte_clear_young_dirty_ptes
mm: huge_mm: fix undefined reference to `mthp_stats' for CONFIG_SYSFS=n
mm: drop the 'anon_' prefix for swap-out mTHP counters
- set of interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back the
registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
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Merge tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- interrupt handling and Kconfig fixes for gpio-tqmx86
- add a buffer for storing output values in gpio-tqmx86 as reading back
the registers always returns the input values
- add missing MODULE_DESCRIPTION()s to several GPIO drivers
* tag 'gpio-fixes-for-v6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: add missing MODULE_DESCRIPTION() macros
gpio: tqmx86: fix broken IRQ_TYPE_EDGE_BOTH interrupt type
gpio: tqmx86: store IRQ trigger type and unmask status separately
gpio: tqmx86: introduce shadow register for GPIO output value
gpio: tqmx86: fix typo in Kconfig label
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Merge tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix a locking order issue with setting max async thread workers
(Hagar)
- Fix for a NULL pointer dereference for failed async flagged requests
using ring provided buffers. This doesn't affect the current kernel,
but it does affect older kernels, and is being queued up for 6.10
just to make the stable process easier (me)
- Fix for NAPI timeout calculations for how long to busy poll, and
subsequently how much to sleep post that if a wait timeout is passed
in (me)
- Fix for a regression in this release cycle, where we could end up
using a partially unitialized match value for io-wq (Su)
* tag 'io_uring-6.10-20240607' of git://git.kernel.dk/linux:
io_uring: fix possible deadlock in io_register_iowq_max_workers()
io_uring/io-wq: avoid garbage value of 'match' in io_wq_enqueue()
io_uring/napi: fix timeout calculation
io_uring: check for non-NULL file pointer in io_file_can_poll()
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Merge tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
- fix handling of folio private changes.
The private value holds pointer to our extent buffer structure
representing a metadata range. Release and create of the range was
not properly synchronized when updating the private bit which ended
up in double folio_put, leading to all sorts of breakage
- fix a crash, reported as duplicate key in metadata, but caused by a
race of fsync and size extending write. Requires prealloc target
range + fsync and other conditions (log tree state, timing)
- fix leak of qgroup extent records after transaction abort
* tag 'for-6.10-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: protect folio::private when attaching extent buffer folios
btrfs: fix leak of qgroup extent records after transaction abort
btrfs: fix crash on racing fsync and size-extending write into prealloc
- Fix an occasional memory overwrite caused by a fix added in 6.10
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Merge tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
Pull nfsd fix from Chuck Lever:
- Fix an occasional memory overwrite caused by a fix added in 6.10
* tag 'nfsd-6.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
SUNRPC: Fix loop termination condition in gss_free_in_token_pages()
* Another fix to avoid allocating pages that overlap with ERR_PTR, which
manifests on rv32.
* A revert for the badaccess patch I incorrectly picked up an early
version of.
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Merge tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- Another fix to avoid allocating pages that overlap with ERR_PTR,
which manifests on rv32
- A revert for the badaccess patch I incorrectly picked up an early
version of
* tag 'riscv-for-linus-6.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
Revert "riscv: mm: accelerate pagefault when badaccess"
riscv: fix overlap of allocated page and PTR_ERR
- Do not create PT_LOAD program header for the kenel image when
the virtual memory informaton in OS_INFO data is not available.
That fixes stand-alone dump failures against kernels that do not
provide the virtual memory informaton
- Add KVM s390 shared zeropage selftest
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Merge tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Alexander Gordeev:
- Do not create PT_LOAD program header for the kenel image when the
virtual memory informaton in OS_INFO data is not available. That
fixes stand-alone dump failures against kernels that do not provide
the virtual memory informaton
- Add KVM s390 shared zeropage selftest
* tag 's390-6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
KVM: s390x: selftests: Add shared zeropage test
s390/crash: Do not use VM info if os_info does not have it
Highlights:
- Default silead touchscreen driver to 10 fingers and drop 10 finger setting
from all DMI quirks. More of a cleanup then a pure fix, but since the DMI
quirks always get updated through the fixes branch this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
The following is an automated git shortlog grouped by driver:
Input:
- silead - Always support 10 fingers
dell-smbios:
- Simplify error handling
- Fix wrong token data in sysfs
platform/x86/amd/hsmp:
- Check HSMP support on AMD family of processors
touchscreen_dmi:
- Use 2-argument strscpy()
- Drop "silead,max-fingers" property
yt2-1380:
- add CONFIG_EXTCON dependency
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Merge tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- Default silead touchscreen driver to 10 fingers and drop 10 finger
setting from all DMI quirks. More of a cleanup then a pure fix, but
since the DMI quirks always get updated through the fixes branch
this avoids conflicts.
- Kconfig fix for randconfig builds
- dell-smbios: Fix wrong token data in sysfs
- amd-hsmp: Fix driver poking unsupported hw when loaded manually
* tag 'platform-drivers-x86-v6.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86/amd/hsmp: Check HSMP support on AMD family of processors
platform/x86: dell-smbios: Simplify error handling
platform/x86: dell-smbios: Fix wrong token data in sysfs
platform/x86: yt2-1380: add CONFIG_EXTCON dependency
platform/x86: touchscreen_dmi: Use 2-argument strscpy()
platform/x86: touchscreen_dmi: Drop "silead,max-fingers" property
Input: silead - Always support 10 fingers
