| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull rdma fixes from Jason Gunthorpe:
- Add a missing mutex_destroy() in rxe
- Enhance the debugging print for cm_destroy failures to help debug
these
- Fix mlx5 MAD processing in cases where multiport devices are running
in switchedev mode
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Fix port number for counter query in multi-port configuration
RDMA/cm: Print the old state when cm_destroy_id gets timeout
RDMA/rxe: Fix the problem "mutex_destroy missing"
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Set the correct port when querying PPCNT in multi-port configuration.
Distinguish between cases where switchdev mode was enabled to multi-port
configuration and don't overwrite the queried port to 1 in multi-port
case.
Fixes: 74b30b3ad5ce ("RDMA/mlx5: Set local port to one when accessing counters")
Signed-off-by: Michael Guralnik <michaelgur@nvidia.com>
Link: https://lore.kernel.org/r/9bfcc8ade958b760a51408c3ad654a01b11f7d76.1712134988.git.leon@kernel.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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The old state is helpful for debugging, as the current state is always
IB_CM_IDLE when timeout happens.
Fixes: 96d9cbe2f2ff ("RDMA/cm: add timeout to cm_destroy_id wait")
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/20240322112049.2022994-1-markzhang@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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When a mutex lock is not used any more, the function mutex_destroy
should be called to mark the mutex lock uninitialized.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yanjun.Zhu <yanjun.zhu@linux.dev>
Link: https://lore.kernel.org/r/20240314065140.27468-1-yanjun.zhu@linux.dev
Reviewed-by: Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs
Pull fs/9p fixes from Eric Van Hensbergen:
"This contains a reversion of one of the original 6.9 patches which
seems to have been the cause of most of the instability. It also
incorporates several fixes to legacy support and cache fixes.
There are few additional changes to improve stability, but I want
another week of testing before sending them upstream"
* tag '9p-fixes-for-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs:
fs/9p: drop inodes immediately on non-.L too
fs/9p: Revert "fs/9p: fix dups even in uncached mode"
fs/9p: remove erroneous nlink init from legacy stat2inode
9p: explicitly deny setlease attempts
fs/9p: fix the cache always being enabled on files with qid flags
fs/9p: translate O_TRUNC into OTRUNC
fs/9p: only translate RWX permissions for plain 9P2000
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Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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This reverts commit be57855f505003c5cafff40338d5d0f23b00ba4d.
It caused a regression involving duplicate inode numbers in
some tester trees. The bad behavior seems to be dependent on inode
reuse policy in underlying file system, so it did not trigger in my
test setup.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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In 9p2000 legacy mode, stat2inode initializes nlink to 1,
which is redundant with what alloc_inode should have already set.
9p2000.u overrides this with extensions if present in the stat
structure, and 9p2000.L incorporates nlink into its stat structure.
At the very least this probably messes with directory nlink
accounting in legacy mode.
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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9p is a remote network protocol, and it doesn't support asynchronous
notifications from the server. Ensure that we don't hand out any leases
since we can't guarantee they'll be broken when a file's contents
change.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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I'm not sure why this check was ever here. After updating to 6.6 I
suddenly found caching had been turned on by default and neither
cache=none nor the new directio would turn it off. After walking through
the new code very manually I realized that it's because the caching has
to be, in effect, turned off explicitly by setting P9L_DIRECT and
whenever a file has a flag, in my case QTAPPEND, it doesn't get set.
Setting aside QTDIR which seems to ignore the new fid->mode entirely,
the rest of these either should be subject to the same cache rules as
every other QTFILE or perhaps very explicitly not cached in the case of
QTAUTH.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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This one hits both 9P2000 and .u as it appears v9fs has never translated
the O_TRUNC flag.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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Garbage in plain 9P2000's perm bits is allowed through, which causes it
to be able to set (among others) the suid bit. This was presumably not
the intent since the unix extended bits are handled explicitly and
conditionally on .u.
Signed-off-by: Joakim Sindholt <opensource@zhasha.com>
Signed-off-by: Eric Van Hensbergen <ericvh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
- Fix two bugs in the new passthrough mode
- Fix a statx bug introduced in v6.6
- Fix code documentation
* tag 'fuse-fixes-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
cuse: add kernel-doc comments to cuse_process_init_reply()
fuse: fix leaked ENOSYS error on first statx call
fuse: fix parallel dio write on file open in passthrough mode
fuse: fix wrong ff->iomode state changes from parallel dio write
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This commit adds kernel-doc style comments with complete parameter
descriptions for the function cuse_process_init_reply.
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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FUSE attempts to detect server support for statx by trying it once and
setting no_statx=1 if it fails with ENOSYS, but consider the following
scenario:
- Userspace (e.g. sh) calls stat() on a file
* succeeds
- Userspace (e.g. lsd) calls statx(BTIME) on the same file
- request_mask = STATX_BASIC_STATS | STATX_BTIME
- first pass: sync=true due to differing cache_mask
- statx fails and returns ENOSYS
- set no_statx and retry
- retry sets mask = STATX_BASIC_STATS
- now mask == cache_mask; sync=false (time_before: still valid)
- so we take the "else if (stat)" path
- "err" is still ENOSYS from the failed statx call
Fix this by zeroing "err" before retrying the failed call.
Fixes: d3045530bdd2 ("fuse: implement statx")
Cc: stable@vger.kernel.org # v6.6
Signed-off-by: Danny Lin <danny@orbstack.dev>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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Parallel dio write takes a negative refcount of fi->iocachectr and so does
open of file in passthrough mode.
The refcount of passthrough mode is associated with attach/detach of a
fuse_backing object to fuse inode.
For parallel dio write, the backing file is irrelevant, so the call to
fuse_inode_uncached_io_start() passes a NULL fuse_backing object.
Passing a NULL fuse_backing will result in false -EBUSY error if the file
is already open in passthrough mode.
Allow taking negative fi->iocachectr refcount with NULL fuse_backing,
because it does not conflict with an already attached fuse_backing object.
Fixes: 4a90451bbc7f ("fuse: implement open in passthrough mode")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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There is a confusion with fuse_file_uncached_io_{start,end} interface.
These helpers do two things when called from passthrough open()/release():
1. Take/drop negative refcount of fi->iocachectr (inode uncached io mode)
2. State change ff->iomode IOM_NONE <-> IOM_UNCACHED (file uncached open)
The calls from parallel dio write path need to take a reference on
fi->iocachectr, but they should not be changing ff->iomode state, because
in this case, the fi->iocachectr reference does not stick around until file
release().
Factor out helpers fuse_inode_uncached_io_{start,end}, to be used from
parallel dio write path and rename fuse_file_*cached_io_{start,end} helpers
to fuse_file_*cached_io_{open,release} to clarify the difference.
Fixes: 205c1d802683 ("fuse: allow parallel dio writes with FUSE_DIRECT_IO_ALLOW_MMAP")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Fix a kernel fault during page table walking in huge_pte_alloc() with
PTABLE_LEVELS=5 due to using p4d_offset() instead of p4d_alloc()
- head.S fix and cleanup to disable the MMU before toggling the
HCR_EL2.E2H bit when entering the kernel with the MMU on from the EFI
stub. Changing this bit (currently from VHE to nVHE) causes some
system registers as well as page table descriptors to be interpreted
differently, potentially resulting in spurious MMU faults
- Fix translation fault in swsusp_save() accessing MEMBLOCK_NOMAP
memory ranges due to kernel_page_present() returning true in most
configurations other than rodata_full == true,
CONFIG_DEBUG_PAGEALLOC=y or CONFIG_KFENCE=y
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: hibernate: Fix level3 translation fault in swsusp_save()
arm64/head: Disable MMU at EL2 before clearing HCR_EL2.E2H
arm64/head: Drop unnecessary pre-disable-MMU workaround
arm64/hugetlb: Fix page table walk in huge_pte_alloc()
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On arm64 machines, swsusp_save() faults if it attempts to access
MEMBLOCK_NOMAP memory ranges. This can be reproduced in QEMU using UEFI
when booting with rodata=off debug_pagealloc=off and CONFIG_KFENCE=n:
Unable to handle kernel paging request at virtual address ffffff8000000000
Mem abort info:
ESR = 0x0000000096000007
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x07: level 3 translation fault
Data abort info:
ISV = 0, ISS = 0x00000007, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 39-bit VAs, pgdp=00000000eeb0b000
[ffffff8000000000] pgd=180000217fff9803, p4d=180000217fff9803, pud=180000217fff9803, pmd=180000217fff8803, pte=0000000000000000
Internal error: Oops: 0000000096000007 [#1] SMP
Internal error: Oops: 0000000096000007 [#1] SMP
Modules linked in: xt_multiport ipt_REJECT nf_reject_ipv4 xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_filter bpfilter rfkill at803x snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg dwmac_generic stmmac_platform snd_hda_codec stmmac joydev pcs_xpcs snd_hda_core phylink ppdev lp parport ramoops reed_solomon ip_tables x_tables nls_iso8859_1 vfat multipath linear amdgpu amdxcp drm_exec gpu_sched drm_buddy hid_generic usbhid hid radeon video drm_suballoc_helper drm_ttm_helper ttm i2c_algo_bit drm_display_helper cec drm_kms_helper drm
CPU: 0 PID: 3663 Comm: systemd-sleep Not tainted 6.6.2+ #76
Source Version: 4e22ed63a0a48e7a7cff9b98b7806d8d4add7dc0
Hardware name: Greatwall GW-XXXXXX-XXX/GW-XXXXXX-XXX, BIOS KunLun BIOS V4.0 01/19/2021
pstate: 600003c5 (nZCv DAIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : swsusp_save+0x280/0x538
lr : swsusp_save+0x280/0x538
sp : ffffffa034a3fa40
x29: ffffffa034a3fa40 x28: ffffff8000001000 x27: 0000000000000000
x26: ffffff8001400000 x25: ffffffc08113e248 x24: 0000000000000000
x23: 0000000000080000 x22: ffffffc08113e280 x21: 00000000000c69f2
x20: ffffff8000000000 x19: ffffffc081ae2500 x18: 0000000000000000
x17: 6666662074736420 x16: 3030303030303030 x15: 3038666666666666
x14: 0000000000000b69 x13: ffffff9f89088530 x12: 00000000ffffffea
x11: 00000000ffff7fff x10: 00000000ffff7fff x9 : ffffffc08193f0d0
x8 : 00000000000bffe8 x7 : c0000000ffff7fff x6 : 0000000000000001
x5 : ffffffa0fff09dc8 x4 : 0000000000000000 x3 : 0000000000000027
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 000000000000004e
Call trace:
swsusp_save+0x280/0x538
swsusp_arch_suspend+0x148/0x190
hibernation_snapshot+0x240/0x39c
hibernate+0xc4/0x378
state_store+0xf0/0x10c
kobj_attr_store+0x14/0x24
The reason is swsusp_save() -> copy_data_pages() -> page_is_saveable()
-> kernel_page_present() assuming that a page is always present when
can_set_direct_map() is false (all of rodata_full,
debug_pagealloc_enabled() and arm64_kfence_can_set_direct_map() false),
irrespective of the MEMBLOCK_NOMAP ranges. Such MEMBLOCK_NOMAP regions
should not be saved during hibernation.
This problem was introduced by changes to the pfn_valid() logic in
commit a7d9f306ba70 ("arm64: drop pfn_valid_within() and simplify
pfn_valid()").
Similar to other architectures, drop the !can_set_direct_map() check in
kernel_page_present() so that page_is_savable() skips such pages.
Fixes: a7d9f306ba70 ("arm64: drop pfn_valid_within() and simplify pfn_valid()")
Cc: <stable@vger.kernel.org> # 5.14.x
Suggested-by: Mike Rapoport <rppt@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Co-developed-by: xiongxin <xiongxin@kylinos.cn>
Signed-off-by: xiongxin <xiongxin@kylinos.cn>
Signed-off-by: Yaxiong Tian <tianyaxiong@kylinos.cn>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Link: https://lore.kernel.org/r/20240417025248.386622-1-tianyaxiong@kylinos.cn
[catalin.marinas@arm.com: rework commit message]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Even though the boot protocol stipulates otherwise, an exception has
been made for the EFI stub, and entering the core kernel with the MMU
enabled is permitted. This allows a substantial amount of cache
maintenance to be elided, wich is significant when fast boot times are
critical (e.g., for booting micro-VMs)
Once the initial ID map has been populated, the MMU is disabled as part
of the logic sequence that puts all system registers into a known state.
Any code that needs to execute within the window where the MMU is off is
cleaned to the PoC explicitly, which includes all of HYP text when
entering at EL2.
However, the current sequence of initializing the EL2 system registers
is not safe: HCR_EL2 is set to its nVHE initial state before SCTLR_EL2
is reprogrammed, and this means that a VHE-to-nVHE switch may occur
while the MMU is enabled. This switch causes some system registers as
well as page table descriptors to be interpreted in a different way,
potentially resulting in spurious exceptions relating to MMU
translation.
So disable the MMU explicitly first when entering in EL2 with the MMU
and caches enabled.
Fixes: 617861703830 ("efi: arm64: enter with MMU and caches enabled")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org> # 6.3.x
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240415075412.2347624-6-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The Falkor erratum that results in the need for an ISB before clearing
the M bit in SCTLR_ELx only applies to execution at exception level x,
and so the workaround is not needed when disabling the EL1 MMU while
running at EL2.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20240415075412.2347624-5-ardb+git@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Currently normal HugeTLB fault ends up crashing the kernel, as p4dp derived
from p4d_offset() is an invalid address when PGTABLE_LEVEL = 5. A p4d level
entry needs to be allocated when not available while walking the page table
during HugeTLB faults. Let's call p4d_alloc() to allocate such entries when
required instead of current p4d_offset().
Unable to handle kernel paging request at virtual address ffffffff80000000
Mem abort info:
ESR = 0x0000000096000005
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x05: level 1 translation fault
Data abort info:
ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
CM = 0, WnR = 0, TnD = 0, TagAccess = 0
GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 52-bit VAs, pgdp=0000000081da9000
[ffffffff80000000] pgd=1000000082cec003, p4d=0000000082c32003, pud=0000000000000000
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 108 Comm: high_addr_hugep Not tainted 6.9.0-rc4 #48
Hardware name: Foundation-v8A (DT)
pstate: 01402005 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : huge_pte_alloc+0xd4/0x334
lr : hugetlb_fault+0x1b8/0xc68
sp : ffff8000833bbc20
x29: ffff8000833bbc20 x28: fff000080080cb58 x27: ffff800082a7cc58
x26: 0000000000000000 x25: fff0000800378e40 x24: fff00008008d6c60
x23: 00000000de9dbf07 x22: fff0000800378e40 x21: 0004000000000000
x20: 0004000000000000 x19: ffffffff80000000 x18: 1ffe00010011d7a1
x17: 0000000000000001 x16: ffffffffffffffff x15: 0000000000000001
x14: 0000000000000000 x13: ffff8000816120d0 x12: ffffffffffffffff
x11: 0000000000000000 x10: fff00008008ebd0c x9 : 0004000000000000
x8 : 0000000000001255 x7 : fff00008003e2000 x6 : 00000000061d54b0
x5 : 0000000000001000 x4 : ffffffff80000000 x3 : 0000000000200000
x2 : 0000000000000004 x1 : 0000000080000000 x0 : 0000000000000000
Call trace:
huge_pte_alloc+0xd4/0x334
hugetlb_fault+0x1b8/0xc68
handle_mm_fault+0x260/0x29c
do_page_fault+0xfc/0x47c
do_translation_fault+0x68/0x74
do_mem_abort+0x44/0x94
el0_da+0x2c/0x9c
el0t_64_sync_handler+0x70/0xc4
el0t_64_sync+0x190/0x194
Code: aa000084 cb010084 b24c2c84 8b130c93 (f9400260)
---[ end trace 0000000000000000 ]---
Cc: Will Deacon <will@kernel.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Fixes: a6bbf5d4d9d1 ("arm64: mm: Add definitions to support 5 levels of paging")
Reported-by: Dev Jain <dev.jain@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Ryan Roberts <ryan.roberts@arm.com>
Link: https://lore.kernel.org/r/20240415094003.1812018-1-anshuman.khandual@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev:
- Fix NULL pointer dereference in program check handler
- Fake IRBs are important events relevant for problem analysis. Add
traces when queueing and delivering
- Fix a race condition in ccw_device_set_online() that can cause the
online process to fail
- Deferred condition code 1 response indicates that I/O was not started
and should be retried. The current QDIO implementation handles a cc1
response as an error, resulting in a failed QDIO setup. Fix that by
retrying the setup when a cc1 response is received
* tag 's390-6.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: Fix NULL pointer dereference
s390/cio: log fake IRB events
s390/cio: fix race condition during online processing
s390/qdio: handle deferred cc1
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The recently added check to figure out if a fault happened on gmap ASCE
dereferences the gmap pointer in lowcore without checking that it is not
NULL. For all non-KVM processes the pointer is NULL, so that some value
from lowcore will be read. With the current layouts of struct gmap and
struct lowcore the read value (aka ASCE) is zero, so that this doesn't lead
to any observable bug; at least currently.
Fix this by adding the missing NULL pointer check.
Fixes: 64c3431808bd ("s390/entry: compare gmap asce to determine guest/host fault")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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Add traces when queueing and delivering fake IRBs. These are significant
events that might have an impact on device driver processing and are
therefore relevant for problem analysis.
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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A race condition exists in ccw_device_set_online() that can cause the
online process to fail, leaving the affected device in an inconsistent
state. As a result, subsequent attempts to set that device online fail
with return code ENODEV.
The problem occurs when a path verification request arrives after
a wait for final device state completed, but before the result state
is evaluated.
Fix this by ensuring that the CCW-device lock is held between
determining final state and checking result state.
Note that since:
commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
path verification requests are much more likely to occur during boot,
resulting in an increased chance of this race condition occurring.
Fixes: 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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A deferred condition code 1 response indicates that I/O was not started
and should be retried. The current QDIO implementation handles a cc1
response as I/O error, resulting in a failed QDIO setup. This can happen
for example when a path verification request arrives at the same time
as QDIO setup I/O is started.
Fix this by retrying the QDIO setup I/O when a cc1 response is received.
Note that since
commit 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
commit 5ef1dc40ffa6 ("s390/cio: fix invalid -EBUSY on ccw_device_start")
deferred cc1 responses are much more likely to occur. See the commit
message of the latter for more background information.
Fixes: 2297791c92d0 ("s390/cio: dont unregister subchannel from child-drivers")
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull bootconfig fixes from Masami Hiramatsu:
- Fix potential static_command_line buffer overrun.
Currently we allocate the memory for static_command_line based on
"boot_command_line", but it will copy "command_line" into it. So we
use the length of "command_line" instead of "boot_command_line" (as
we previously did)
- Use memblock_free_late() in xbc_exit() instead of memblock_free()
after the buddy system is initialized
- Fix a kerneldoc warning
* tag 'bootconfig-fixes-v6.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
bootconfig: Fix the kerneldoc of _xbc_exit()
bootconfig: use memblock_free_late to free xbc memory to buddy
init/main.c: Fix potential static_command_line memory overflow
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Fix the kerneldoc of _xbc_exit() which is updated to have an @early
argument and the function name is changed.
Link: https://lore.kernel.org/all/171321744474.599864.13532445969528690358.stgit@devnote2/
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202404150036.kPJ3HEFA-lkp@intel.com/
Fixes: 89f9a1e876b5 ("bootconfig: use memblock_free_late to free xbc memory to buddy")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
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On the time to free xbc memory in xbc_exit(), memblock may has handed
over memory to buddy allocator. So it doesn't make sense to free memory
back to memblock. memblock_free() called by xbc_exit() even causes UAF bugs
on architectures with CONFIG_ARCH_KEEP_MEMBLOCK disabled like x86.
Following KASAN logs shows this case.
This patch fixes the xbc memory free problem by calling memblock_free()
in early xbc init error rewind path and calling memblock_free_late() in
xbc exit path to free memory to buddy allocator.
[ 9.410890] ==================================================================
[ 9.418962] BUG: KASAN: use-after-free in memblock_isolate_range+0x12d/0x260
[ 9.426850] Read of size 8 at addr ffff88845dd30000 by task swapper/0/1
[ 9.435901] CPU: 9 PID: 1 Comm: swapper/0 Tainted: G U 6.9.0-rc3-00208-g586b5dfb51b9 #5
[ 9.446403] Hardware name: Intel Corporation RPLP LP5 (CPU:RaptorLake)/RPLP LP5 (ID:13), BIOS IRPPN02.01.01.00.00.19.015.D-00000000 Dec 28 2023
[ 9.460789] Call Trace:
[ 9.463518] <TASK>
[ 9.465859] dump_stack_lvl+0x53/0x70
[ 9.469949] print_report+0xce/0x610
[ 9.473944] ? __virt_addr_valid+0xf5/0x1b0
[ 9.478619] ? memblock_isolate_range+0x12d/0x260
[ 9.483877] kasan_report+0xc6/0x100
[ 9.487870] ? memblock_isolate_range+0x12d/0x260
[ 9.493125] memblock_isolate_range+0x12d/0x260
[ 9.498187] memblock_phys_free+0xb4/0x160
[ 9.502762] ? __pfx_memblock_phys_free+0x10/0x10
[ 9.508021] ? mutex_unlock+0x7e/0xd0
[ 9.512111] ? __pfx_mutex_unlock+0x10/0x10
[ 9.516786] ? kernel_init_freeable+0x2d4/0x430
[ 9.521850] ? __pfx_kernel_init+0x10/0x10
[ 9.526426] xbc_exit+0x17/0x70
[ 9.529935] kernel_init+0x38/0x1e0
[ 9.533829] ? _raw_spin_unlock_irq+0xd/0x30
[ 9.538601] ret_from_fork+0x2c/0x50
[ 9.542596] ? __pfx_kernel_init+0x10/0x10
[ 9.547170] ret_from_fork_asm+0x1a/0x30
[ 9.551552] </TASK>
[ 9.555649] The buggy address belongs to the physical page:
[ 9.561875] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x45dd30
[ 9.570821] flags: 0x200000000000000(node=0|zone=2)
[ 9.576271] page_type: 0xffffffff()
[ 9.580167] raw: 0200000000000000 ffffea0011774c48 ffffea0012ba1848 0000000000000000
[ 9.588823] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[ 9.597476] page dumped because: kasan: bad access detected
[ 9.605362] Memory state around the buggy address:
[ 9.610714] ffff88845dd2ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.618786] ffff88845dd2ff80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 9.626857] >ffff88845dd30000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.634930] ^
[ 9.638534] ffff88845dd30080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.646605] ffff88845dd30100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 9.654675] ==================================================================
Link: https://lore.kernel.org/all/20240414114944.1012359-1-qiang4.zhang@linux.intel.com/
Fixes: 40caa127f3c7 ("init: bootconfig: Remove all bootconfig data when the init memory is removed")
Cc: Stable@vger.kernel.org
Signed-off-by: Qiang Zhang <qiang4.zhang@intel.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
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We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for
static_command_line, but the strings copied into static_command_line are
extra_command_line and command_line, rather than extra_command_line and
boot_command_line.
When strlen(command_line) > strlen(boot_command_line), static_command_line
will overflow.
This patch just recovers strlen(command_line) which was miss-consolidated
with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add
checks for the return value of memblock_alloc*()")
Link: https://lore.kernel.org/all/20240412081733.35925-2-ytcoode@gmail.com/
Fixes: f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")
Cc: stable@vger.kernel.org
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fix from Rafael Wysocki:
"This prevents the thermal debug code from attempting to divide by zero
and corrects trip point statistics (Rafael Wysocki)"
* tag 'thermal-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/debugfs: Add missing count increment to thermal_debug_tz_trip_up()
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The count field in struct trip_stats, representing the number of times
the zone temperature was above the trip point, needs to be incremented
in thermal_debug_tz_trip_up(), for two reasons.
First, if a trip point is crossed on the way up for the first time,
thermal_debug_update_temp() called from update_temperature() does
not see it because it has not been added to trips_crossed[] array
in the thermal zone's struct tz_debugfs object yet. Therefore, when
thermal_debug_tz_trip_up() is called after that, the trip point's
count value is 0, and the attempt to divide by it during the average
temperature computation leads to a divide error which causes the kernel
to crash. Setting the count to 1 before the division by incrementing it
fixes this problem.
Second, if a trip point is crossed on the way up, but it has been
crossed on the way up already before, its count value needs to be
incremented to make a record of the fact that the zone temperature is
above the trip now. Without doing that, if the mitigations applied
after crossing the trip cause the zone temperature to drop below its
threshold, the count will not be updated for this episode at all and
the average temperature in the trip statistics record will be somewhat
higher than it should be.
Fixes: 7ef01f228c9f ("thermal/debugfs: Add thermal debugfs information for mitigation episodes")
Cc :6.8+ <stable@vger.kernel.org> # 6.8+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Things look calm and normal, we got handful HD-audio-related small
fixes and a fix for MIDI 2.0 UMP handling"
* tag 'sound-6.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: seq: ump: Fix conversion from MIDI2 to MIDI1 UMP messages
ALSA: hda/realtek - Enable audio jacks of Haier Boyue G42 with ALC269VC
ALSA: hda/realtek: Add quirks for Huawei Matebook D14 NBLB-WAX9N
ALSA: hda/realtek: Fix volumn control of ThinkBook 16P Gen4
ALSA: hda/realtek: Fixes for Asus GU605M and GA403U sound
ALSA: hda/tas2781: Add new vendor_id and subsystem_id to support ThinkPad ICE-1
ALSA: hda/tas2781: correct the register for pow calibrated data
ALSA: hda/realtek: Add quirk for HP SnowWhite laptops
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The conversion from MIDI2 to MIDI1 UMP messages had a leftover
artifact (superfluous bit shift), and this resulted in the bogus type
check, leading to empty outputs. Let's fix it.
Fixes: e9e02819a98a ("ALSA: seq: Automatic conversion of UMP events")
Cc: <stable@vger.kernel.org>
Link: https://github.com/alsa-project/alsa-utils/issues/262
Message-ID: <20240419100442.14806-1-tiwai@suse.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The Haier Boyue G42 with ALC269VC cannot detect the MIC of headset,
the line out and internal speaker until
ALC269VC_FIXUP_ACER_VCOPPERBOX_PINS quirk applied.
Signed-off-by: Ai Chao <aichao@kylinos.cn>
Cc: <stable@vger.kernel.org>
Message-ID: <20240419082159.476879-1-aichao@kylinos.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The headset mic requires a fixup to be properly detected/used.
As a reference, this specific model from 2021 reports
the following devices:
https://alsa-project.org/db/?f=1a5ddeb0b151db8fe051407f5bb1c075b7dd3e4a
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: <stable@vger.kernel.org>
Message-ID: <b92a9e49fb504eec8416bcc6882a52de89450102.1713370457.git.mchehab@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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change HDA & AMP configuration from ALC287_FIXUP_CS35L41_I2C_2 to
ALC287_FIXUP_MG_RTKC_CSAMP_CS35L41_I2C_THINKPAD for ThinkBook 16P Gen4
models to fix volumn control issue (cannot fully mute).
Signed-off-by: Huayu Zhang <zhanghuayu1233@qq.com>
Fixes: 6214e24cae9b ("ALSA: hda/realtek: Add quirks for Lenovo Thinkbook 16P laptops")
Message-ID: <tencent_37EB880C5E5BD99D21C16B288115C4545F06@qq.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Added the correct pin table for Asus GU605M and GA403U, enabling all
speakers to be controlled with the master.
Updated quirks for GU605M and GA403U by including the pin table patch
in the chain.
Co-developed-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Signed-off-by: Vitalii Torshyn <vitaly.torshyn@gmail.com>
Message-ID: <20240411125803.18539-1-vitaly.torshyn@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add new vendor_id and subsystem_id to support new Lenovo laptop
ThinkPad ICE-1
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240411091823.1644-1-shenghao-ding@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Calibrated data was written into an incorrect register, which cause
speaker protection sometimes malfuctions
Fixes: 5be27f1e3ec9 ("ALSA: hda/tas2781: Add tas2781 HDA driver")
Signed-off-by: Shenghao Ding <shenghao-ding@ti.com>
Cc: <stable@vger.kernel.org>
Message-ID: <20240406132010.341-1-shenghao-ding@ti.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add support for HP SnowWhite laptops with CS35L51 amplifiers on I2C
bus connected to Realtek codec.
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
Message-ID: <20240405210635.22193-1-vitalyr@opensource.cirrus.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pull drm fixes from Dave Airlie:
"Regular week of fixes, seems to be about right for this time in the
release cycle, amdgpu, and nouveau are the main one with some
scattered fixes otherwise.
ttm:
- Stop pooling cached NUMA pages
amdgpu:
- Fix invalid resource->start check
- USB-C DSC fix
- Fix a potential UAF in VA IOCTL
- Fix visible VRAM handling during faults
amdkfd:
- Fix memory leak in create_process failure
radeon:
- Silence UBSAN warnings from variable sized arrays
nouveau:
- dp: Don't probe DP ports twice
- nv04: Fix OOB access
- nv50: Disable AUX bus for disconnected DP ports
- nvkm: Fix instmem race condition
panel:
- Don't unregister DSI devices in several drivers
v3d:
- Fix enabled_ns increment
xe:
- Fix bo leak on error path during fb init
- Fix use-after-free due to order vm is put and destroyed"
* tag 'drm-fixes-2024-04-19' of https://gitlab.freedesktop.org/drm/kernel:
drm/radeon: silence UBSAN warning (v3)
drm/radeon: make -fstrict-flex-arrays=3 happy
drm/amdgpu: fix visible VRAM handling during faults
drm/amdgpu: validate the parameters of bo mapping operations more clearly
Revert "drm/amd/display: fix USB-C flag update after enc10 feature init"
drm/amdkfd: Fix memory leak in create_process failure
drm/amdgpu: remove invalid resource->start check v2
drm/xe/vm: prevent UAF with asid based lookup
drm/xe: Fix bo leak in intel_fb_bo_framebuffer_init
drm/panel: novatek-nt36682e: don't unregister DSI device
drm/panel: visionox-rm69299: don't unregister DSI device
drm/nouveau/dp: Don't probe eDP ports twice harder
drm/nouveau/kms/nv50-: Disable AUX bus for disconnected DP ports
drm/v3d: Don't increment `enabled_ns` twice
drm/vmwgfx: Sort primary plane formats by order of preference
drm/vmwgfx: Fix crtc's atomic check conditional
drm/vmwgfx: Fix prime import/export
drm/ttm: stop pooling cached NUMA pages v2
drm: nv04: Fix out of bounds access
nouveau: fix instmem race condition around ptr stores
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-fixes
- Fix bo leak on error path during fb init
- Fix use-after-free due to order vm is put and destroyed
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/xjguifyantaibyrnymuiotxws6akiexi6r7tqyieqxgquovubc@kkrtbe24hjjr
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The asid is only erased from the xarray when the vm refcount reaches
zero, however this leads to potential UAF since the xe_vm_get() only
works on a vm with refcount != 0. Since the asid is allocated in the vm
create ioctl, rather erase it when closing the vm, prior to dropping the
potential last ref. This should also work when user closes driver fd
without explicit vm destroy.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1594
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240412113144.259426-4-matthew.auld@intel.com
(cherry picked from commit 83967c57320d0d01ae512f10e79213f81e4bf594)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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Add a unreference bo in the error path, to prevent leaking a bo ref.
Return 0 on success to clarify the success path.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 44e694958b95 ("drm/xe/display: Implement display support")
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404090302.68422-1-maarten.lankhorst@linux.intel.com
(cherry picked from commit a2f3d731be3893e730417ae3190760fcaffdf549)
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
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https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
Short summary of fixes pull:
nouveau:
- dp: Don't probe DP ports twice
- nv04: Fix OOB access
- nv50: Disable AUX bus for disconnected DP ports
- nvkm: Fix race condition
panel:
- Don't unregister DSI devices in several drivers
ttm:
- Stop pooling cached NUMA pages
v3d:
- Fix enabled_ns increment
vmwgfx:
- Fix PRIME import/export
- Fix CRTC's atomic check for primary planes
- Sort plane formats by preference
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20240418072229.GA8983@localhost.localdomain
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The DSI device for the panel was registered by the DSI host, so it is an
error to unregister it from the panel driver. Drop the call to
mipi_dsi_device_unregister().
Fixes: ea4f9975625a ("drm/panel: Add support for Novatek NT36672E panel driver")
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404-drop-panel-unregister-v1-2-9f56953c5fb9@linaro.org
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The DSI device for the panel was registered by the DSI host, so it is an
error to unregister it from the panel driver. Drop the call to
mipi_dsi_device_unregister().
Fixes: c7f66d32dd43 ("drm/panel: add support for rm69299 visionox panel")
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404-drop-panel-unregister-v1-1-9f56953c5fb9@linaro.org
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I didn't pay close enough attention the last time I tried to fix this
problem - while we currently do correctly take care to make sure we don't
probe a connected eDP port more then once, we don't do the same thing for
eDP ports we found to be disconnected.
So, fix this and make sure we only ever probe eDP ports once and then leave
them at that connector state forever (since without HPD, it's not going to
change on its own anyway). This should get rid of the last few GSP errors
getting spit out during runtime suspend and resume on some machines, as we
tried to reprobe eDP ports in response to ACPI hotplug probe events.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240404233736.7946-3-lyude@redhat.com
(cherry picked from commit fe6660b661c3397af0867d5d098f5b26581f1290)
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