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Undo the modifications made in commit d410ee5109a1 ("ACPICA: avoid
"Info: mapping multiple BARs. Your kernel is fine.""). The initial
purpose of this commit was to stop memory mappings for operation
regions from overlapping page boundaries, as it can trigger warnings
if different page attributes are present.
However, it was found that when this situation arises, mapping
continues until the boundary's end, but there is still an attempt to
read/write the entire length of the map, leading to a NULL pointer
deference. For example, if a four-byte mapping request is made but
only one byte is mapped because it hits the current page boundary's
end, a four-byte read/write attempt is still made, resulting in a NULL
pointer deference.
Instead, map the entire length, as the ACPI specification does not
mandate that it must be within the same page boundary. It is
permissible for it to be mapped across different regions.
Link: https://github.com/acpica/acpica/pull/954
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218849
Fixes: d410ee5109a1 ("ACPICA: avoid "Info: mapping multiple BARs. Your kernel is fine."")
Co-developed-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Sanath S <Sanath.S@amd.com>
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Update calculation to avoid overflow.
-v2:
Remove extra line between cc and signed-off.
Fixes: 1676ecd303ac ("drm/i915: Compute CMRR and calculate vtotal")
Cc: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Suraj Kandpal <suraj.kandpal@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614044213.377710-1-mitulkumar.ajitkumar.golani@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull hardening fixes from Kees Cook:
- yama: document function parameter (Christian Göttsche)
- mm/util: Swap kmemdup_array() arguments (Jean-Philippe Brucker)
- kunit/overflow: Adjust for __counted_by with DEFINE_RAW_FLEX()
- MAINTAINERS: Update entries for Kees Cook
* tag 'hardening-v6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
MAINTAINERS: Update entries for Kees Cook
kunit/overflow: Adjust for __counted_by with DEFINE_RAW_FLEX()
yama: document function parameter
mm/util: Swap kmemdup_array() arguments
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The 'TSAS' value is only defined for TCP and RDMA, but returning
'reserved' for undefined values tricked nvmetcli to try to write
'reserved' when restoring from a config file. This caused an error
and the configuration would not be applied.
Fixes: 3f123494db72 ("nvmet: make TCP sectype settable via configfs")
Signed-off-by: Hannes Reinecke <hare@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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The value of NVME_NS_DEAC is 3,
which means NVME_NS_METADATA_SUPPORTED | NVME_NS_EXT_LBAS. Provide a
unique value for this feature flag.
Fixes 1b96f862eccc ("nvme: implement the DEAC bit for the Write Zeroes command")
Signed-off-by: Boyang Yu <yuboyang@dapustor.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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Update current email address for Kees Cook in the MAINTAINER file to
match the change from commit 4e173c825b19 ("mailmap: update entry for
Kees Cook").
Link: https://lore.kernel.org/r/20240617181257.work.206-kees@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull Hyper-V fixes from Wei Liu:
- Some cosmetic changes for hv.c and balloon.c (Aditya Nagesh)
- Two documentation updates (Michael Kelley)
- Suppress the invalid warning for packed member alignment (Saurabh
Sengar)
- Two hv_balloon fixes (Michael Kelley)
* tag 'hyperv-fixes-signed-20240616' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
Drivers: hv: Cosmetic changes for hv.c and balloon.c
Documentation: hyperv: Improve synic and interrupt handling description
Documentation: hyperv: Update spelling and fix typo
tools: hv: suppress the invalid warning for packed member alignment
hv_balloon: Enable hot-add for memblock sizes > 128 MiB
hv_balloon: Use kernel macros to simplify open coded sequences
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes:
IIO: 2nd set of fixes for 6.10
The usual mixed bag of new stuff and long term issues that have surfaced
as a particular driver gets more adoption.
adi,ad7266
- Add missing error check that could lead to bad data being reported.
adi,ad9739a
- Fix Kconfig to not allow COMPILE_TEST to override lack SPI support.
bosch,bme680
- Fix units for pressure value (off by factor of 10)
- Fix sign on a calibration variable read back from the device
- Avoid integer overflow in compensation functions.
- Fix an issue with read sequence that leads to stale data and bad first
reading.
freescale,fxls8962af
- Kconfig dependency fixes.
ti,hdc3020
- Fix representation of hysteresis to match ABI by being an offset from
the current event threshold, not an absolute value.
xilinx,ams
- Don't include the ams_ctrl_channels in a computed mask. This driver is
making an unusual use of scan_mask (it doesn't support buffers) and that
lead to an overflow.
* tag 'iio-fixes-for-6.10b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: chemical: bme680: Fix sensor data read operation
iio: chemical: bme680: Fix overflows in compensate() functions
iio: chemical: bme680: Fix calibration data variable
iio: chemical: bme680: Fix pressure value output
iio: humidity: hdc3020: fix hysteresis representation
iio: dac: fix ad9739a random config compile error
iio: accel: fxls8962af: select IIO_BUFFER & IIO_KFIFO_BUF
iio: adc: ad7266: Fix variable checking bug
iio: xilinx-ams: Don't include ams_ctrl_channels in scan_mask
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Yonghong Song says:
====================
bpf: Fix missed var_off related to movsx in verifier
Zac reported a verification issue ([1]) where verification unexpectedly succeeded.
This is due to missing proper var_off setting in verifier related to
movsx insn. I found another similar issue as well. This patch set fixed
both problems and added three inline asm tests to test these fixes.
[1] https://lore.kernel.org/bpf/CAADnVQLPU0Shz7dWV4bn2BgtGdxN3uFHPeobGBA72tpg5Xoykw@mail.gmail.com/
====================
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240615174621.3994321-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add three unit tests in verifier_movsx.c to cover
cases where missed var_off setting can cause
unexpected verification success or failure.
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174637.3995589-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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In coerce_subreg_to_size_sx(), for the case where upper
sign extension bits are the same for smax32 and smin32
values, we missed to setup properly. This is especially
problematic if both smax32 and smin32's sign extension
bits are 1.
The following is a simple example illustrating the inconsistent
verifier states due to missed var_off:
0: (85) call bpf_get_prandom_u32#7 ; R0_w=scalar()
1: (bf) r3 = r0 ; R0_w=scalar(id=1) R3_w=scalar(id=1)
2: (57) r3 &= 15 ; R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=15,var_off=(0x0; 0xf))
3: (47) r3 |= 128 ; R3_w=scalar(smin=umin=smin32=umin32=128,smax=umax=smax32=umax32=143,var_off=(0x80; 0xf))
4: (bc) w7 = (s8)w3
REG INVARIANTS VIOLATION (alu): range bounds violation u64=[0xffffff80, 0x8f] s64=[0xffffff80, 0x8f]
u32=[0xffffff80, 0x8f] s32=[0x80, 0xffffff8f] var_off=(0x80, 0xf)
The var_off=(0x80, 0xf) is not correct, and the correct one should
be var_off=(0xffffff80; 0xf) since from insn 3, we know that at
insn 4, the sign extension bits will be 1. This patch fixed this
issue by setting var_off properly.
Fixes: 8100928c8814 ("bpf: Support new sign-extension mov insns")
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174632.3995278-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Zac reported a verification failure and Alexei reproduced the issue
with a simple reproducer ([1]). The verification failure is due to missed
setting for var_off.
The following is the reproducer in [1]:
0: R1=ctx() R10=fp0
0: (71) r3 = *(u8 *)(r10 -387) ;
R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff)) R10=fp0
1: (bc) w7 = (s8)w3 ;
R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff))
R7_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=127,var_off=(0x0; 0x7f))
2: (36) if w7 >= 0x2533823b goto pc-3
mark_precise: frame0: last_idx 2 first_idx 0 subseq_idx -1
mark_precise: frame0: regs=r7 stack= before 1: (bc) w7 = (s8)w3
mark_precise: frame0: regs=r3 stack= before 0: (71) r3 = *(u8 *)(r10 -387)
2: R7_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=127,var_off=(0x0; 0x7f))
3: (b4) w0 = 0 ; R0_w=0
4: (95) exit
Note that after insn 1, the var_off for R7 is (0x0; 0x7f). This is not correct
since upper 24 bits of w7 could be 0 or 1. So correct var_off should be
(0x0; 0xffffffff). Missing var_off setting in set_sext32_default_val() caused later
incorrect analysis in zext_32_to_64(dst_reg) and reg_bounds_sync(dst_reg).
To fix the issue, set var_off correctly in set_sext32_default_val(). The correct
reg state after insn 1 becomes:
1: (bc) w7 = (s8)w3 ;
R3_w=scalar(smin=smin32=0,smax=umax=smax32=umax32=255,var_off=(0x0; 0xff))
R7_w=scalar(smin=0,smax=umax=0xffffffff,smin32=-128,smax32=127,var_off=(0x0; 0xffffffff))
and at insn 2, the verifier correctly determines either branch is possible.
[1] https://lore.kernel.org/bpf/CAADnVQLPU0Shz7dWV4bn2BgtGdxN3uFHPeobGBA72tpg5Xoykw@mail.gmail.com/
Fixes: 8100928c8814 ("bpf: Support new sign-extension mov insns")
Reported-by: Zac Ecob <zacecob@protonmail.com>
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240615174626.3994813-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Grab nfsd_mutex lock in nfsd_nl_rpc_status_get_dumpit routine and remove
nfsd_nl_rpc_status_get_start() and nfsd_nl_rpc_status_get_done(). This
patch fix the syzbot log reported below:
INFO: task syz-executor.1:17770 blocked for more than 143 seconds.
Not tainted 6.10.0-rc3-syzkaller-00022-gcea2a26553ac #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:23800 pid:17770 tgid:17767 ppid:11381 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
nfsd_nl_listener_get_doit+0x115/0x5d0 fs/nfsd/nfsctl.c:2124
genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
genl_rcv_msg+0xb16/0xec0 net/netlink/genetlink.c:1210
netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2564
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
netlink_unicast+0x7ec/0x980 net/netlink/af_netlink.c:1361
netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg+0x223/0x270 net/socket.c:745
____sys_sendmsg+0x525/0x7d0 net/socket.c:2585
___sys_sendmsg net/socket.c:2639 [inline]
__sys_sendmsg+0x2b0/0x3a0 net/socket.c:2668
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f24ed27cea9
RSP: 002b:00007f24ee0080c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f24ed3b3f80 RCX: 00007f24ed27cea9
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f24ed2ebff4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
Fixes: 1bd773b4f0c9 ("nfsd: hold nfsd_mutex across entire netlink operation")
Fixes: bd9d6a3efa97 ("NFSD: add rpc_status netlink support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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"struct nouveau_job_ops" is not modified in these drivers.
Constifying this structure moves some data to a read-only section, so
increase overall security.
In order to do it, "struct nouveau_job" and "struct nouveau_job_args" also
need to be adjusted to this new const qualifier.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
5570 152 0 5722 165a drivers/gpu/drm/nouveau/nouveau_exec.o
After:
=====
text data bss dec hex filename
5630 112 0 5742 166e drivers/gpu/drm/nouveau/nouveau_exec.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/860e9753d7867aa46b003bb3d0497f1b04065b24.1718381285.git.christophe.jaillet@wanadoo.fr
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I'm pretty sure this optimisation is actually not a great idea,
and is racy with other things waiting for fences.
Just nuke it, there should be no need to do fence waits in a
busy CPU loop.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Ben Skeggs <bskeggs@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240417054032.3145721-1-airlied@gmail.com
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Sourbh reported an oops that is triggerable by trying to read the
pool_stats procfile before nfsd had been started. Move the check for a
NULL serv in svc_pool_stats_start above the mutex acquisition, and fix
the stop routine not to unlock the mutex if there is no serv yet.
Fixes: 7b207ccd9833 ("svc: don't hold reference for poolstats, only mutex.")
Reported-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Tested-by: Sourabh Jain <sourabhjain@linux.ibm.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
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Commit 4205e4786d0b ("cpu/hotplug: Provide dynamic range for prepare
stage") added a dynamic range for the prepare states, but did not handle
the assignment of the dynstate variable in __cpuhp_setup_state_cpuslocked().
This causes the corresponding startup callback not to be invoked when
calling __cpuhp_setup_state_cpuslocked() with the CPUHP_BP_PREPARE_DYN
parameter, even though it should be.
Currently, the users of __cpuhp_setup_state_cpuslocked(), for one reason or
another, have not triggered this bug.
Fixes: 4205e4786d0b ("cpu/hotplug: Provide dynamic range for prepare stage")
Signed-off-by: Yuntao Wang <ytcoode@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240515134554.427071-1-ytcoode@gmail.com
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syzbot reported a memory leak in nr_create() [0].
Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.")
added sock_hold() to the nr_heartbeat_expiry() function, where
a) a socket has a SOCK_DESTROY flag or
b) a listening socket has a SOCK_DEAD flag.
But in the case "a," when the SOCK_DESTROY flag is set, the file descriptor
has already been closed and the nr_release() function has been called.
So it makes no sense to hold the reference count because no one will
call another nr_destroy_socket() and put it as in the case "b."
nr_connect
nr_establish_data_link
nr_start_heartbeat
nr_release
switch (nr->state)
case NR_STATE_3
nr->state = NR_STATE_2
sock_set_flag(sk, SOCK_DESTROY);
nr_rx_frame
nr_process_rx_frame
switch (nr->state)
case NR_STATE_2
nr_state2_machine()
nr_disconnect()
nr_sk(sk)->state = NR_STATE_0
sock_set_flag(sk, SOCK_DEAD)
nr_heartbeat_expiry
switch (nr->state)
case NR_STATE_0
if (sock_flag(sk, SOCK_DESTROY) ||
(sk->sk_state == TCP_LISTEN
&& sock_flag(sk, SOCK_DEAD)))
sock_hold() // ( !!! )
nr_destroy_socket()
To fix the memory leak, let's call sock_hold() only for a listening socket.
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with Syzkaller.
[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
Reported-by: syzbot+d327a1f3b12e1e206c16@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
Fixes: 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.")
Signed-off-by: Gavrilov Ilia <Ilia.Gavrilov@infotecs.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Merge thermal driver fixes for 6.10-rc5 from Daniel Lezcano:
"- Remove the filtered mode for mt8188 as it is not supported on this
platform (Julien Panis)
- Fail in case the golden temperature is zero as that means the efuse
data is not correctly set (Julien Panis)"
* tag 'thermal-v6.10-rc4' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal/drivers/mediatek/lvts_thermal: Return error in case of invalid efuse data
thermal/drivers/mediatek/lvts_thermal: Remove filtered mode for mt8188
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Add job that runs igt on top of vkms.
Acked-by: Maíra Canal <mcanal@igalia.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Vignesh Raman <vignesh.raman@collabora.com>
Acked-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Tested-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Helen Koike <helen.koike@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614161835.55553-1-vignesh.raman@collabora.com
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Move the handling of the disabling FBC when VT-d is active wa
as part of the intel_fbc_check_plane(). As the hw is still there,
intel_fbc_sanitize should be able to handle the state properly.
v2: update the patch description (Jani Nikula)
v3: fix the return value in wa handling (Jani Nikula)
Bspec: 21664
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Vinod Govindapillai <vinod.govindapillai@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240528114826.134958-1-vinod.govindapillai@intel.com
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VMWARE_HYPERCALL alternative will not work as intended without VMware guest code
initialization.
[ bp: note that this doesn't reproduce with newer gccs so it must be
something gcc-9-specific. ]
Closes: https://lore.kernel.org/oe-kbuild-all/202406152104.FxakP1MB-lkp@intel.com/
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240616012511.198243-1-alexey.makhalov@broadcom.com
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It's not possible to use the joiner at the same time with eDP MSO. When
a panel needs MSO, it's not optional, so MSO trumps joiner.
v3: Only change intel_dp_has_joiner(), leave debugfs alone (Ville)
Fixes: bc71194e8897 ("drm/i915/edp: enable eDP MSO during link training")
Cc: <stable@vger.kernel.org> # v5.13+
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1668
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614142311.589089-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
(cherry picked from commit 8b5a92ca24eb96bb71e2a55e352687487d87687f)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Move the comment about FSB straps to where the relevant register is
read.
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8a5b6cd3db80259c30263861f1a9ff04fea2e7f0.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Instead of duplicating the CLKCFG parsing, reuse i9xx_fsb_freq() to
figure out rawclk_freq where applicable.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/21511f155f1f446e066117bc6ed3165618d7afd6.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Reuse i9xx_fsb_freq() for GT clock frequency initialization instead of
depending on rawclk_freq.
Note: If the init order was changed, we could use i915->fsb_freq
directly. However, GT clock initialization is done in
i915_driver_mmio_probe(), but intel_dram_detect() later in
i915_driver_hw_probe(), with a dependency on intel_pcode_init().
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/0678d8ec9772725b47d4fa5b14e3b3a34256d5cf.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Initialize fsb frequency for more platforms to be able to use it for GT
clock and rawclk frequency initialization.
Note: There's a discrepancy between existing pnv_fsb_freq() and
i9xx_hrawclk() regarding CLKCFG interpretation. Presume all PNV is
mobile.
Default to 1333 MHz for unknown values, similar to i9xx_hrawclk().
v2:
- Add MISSING_CASE() (Ville)
- Default to the same frequency for both branches (Ville)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7cd6dbd4dafb900ac1dd12be0ec096ff1d5fc6cf.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We'll want to use fsb frequency for deriving GT clock and rawclk
frequencies in the future. Increase the accuracy by converting to
kHz. Do the same for mem freq to be aligned.
Round the frequencies ending in 666 to 667.
v2: Also handle mem_freq in gen5_rps_init() (Ville)
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/17fe2544b876549f63fac0f956273f5f282081b3.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It's a bit out of place, and only printed for VLV/CHV.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/bbfec4c67a81d1d3de1f40484a80b7164e69df21.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Follow the same style in mem freq init as in fsb freq init, returning
the value instead of assigning in multiple places.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f098ccdbb0c42016d5dad81e0b089bb4babe29f0.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Split out the PNV DDR3 detection to a distinct step instead of
conflating it with mem freq detection.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/c4bf9d32479ab5024e9daa37a996508f543f05e9.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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To simplify further changes, add separate functions for reading the fsb
frequency.
This ends up reading CLKCFG register twice, but it's not a big deal.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7582651aa21ac2c1472111c4e81ba8fee182f80e.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Clarify and unify the logging on not finding PNV CxSR latency
config.
Just let the i915->fsb_freq == 0 || i915->mem_freq == 0 case go through
the table instead of checking for it separately.
v2: Do not check for fsb == 0 || mem == 0 separately (Matt)
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/6333cb0675c531e971e829105f1ecfc4d71bdc6b.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Clarify that the function is specific to PNV, making subsequent changes
slightly easier to grasp.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7d4e3c9a4220ff84af2741e5cd7bb62d1b4f2a44.1718356614.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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It's not possible to use the joiner at the same time with eDP MSO. When
a panel needs MSO, it's not optional, so MSO trumps joiner.
v3: Only change intel_dp_has_joiner(), leave debugfs alone (Ville)
Fixes: bc71194e8897 ("drm/i915/edp: enable eDP MSO during link training")
Cc: <stable@vger.kernel.org> # v5.13+
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Closes: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1668
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240614142311.589089-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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rockchip_pmx_set reset all pinmuxs in group to 0 in the case of error,
add missing bank data retrieval in that code to avoid setting mux on
unexpected pins.
Fixes: 14797189b35e ("pinctrl: rockchip: add return value to rockchip_set_mux")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Link: https://lore.kernel.org/r/20240606125755.53778-5-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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rk3328_pin_ctrl uses type of RK3288 which has a hack in
rockchip_pinctrl_suspend and rockchip_pinctrl_resume to restore GPIO6-C6
at assume, the hack is not applicable to RK3328 as GPIO6 is not even
exist in it. So use a dedicated pinctrl type to skip this hack.
Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Link: https://lore.kernel.org/r/20240606125755.53778-4-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pinmux bits for GPIO3-B1 to GPIO3-B6 pins are not explicitly
specified in RK3328 TRM, however we can get hint from pad name and its
correspinding IOMUX setting for pins in interface descriptions. The
correspinding IOMIX settings for these pins can be found in the same
row next to occurrences of following pad names in RK3328 TRM.
GPIO3-B1: IO_TSPd5m0_CIFdata5m0_GPIO3B1vccio6
GPIO3-B2: IO_TSPd6m0_CIFdata6m0_GPIO3B2vccio6
GPIO3-B3: IO_TSPd7m0_CIFdata7m0_GPIO3B3vccio6
GPIO3-B4: IO_CARDclkm0_GPIO3B4vccio6
GPIO3-B5: IO_CARDrstm0_GPIO3B5vccio6
GPIO3-B6: IO_CARDdetm0_GPIO3B6vccio6
Add pinmux data to rk3328_mux_recalced_data as mux register offset for
these pins does not follow rockchip convention.
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Link: https://lore.kernel.org/r/20240606125755.53778-3-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pinmux bits for GPIO2-B0 to GPIO2-B6 actually have 2 bits width,
correct the bank flag for GPIO2-B. The pinmux bits for GPIO2-B7 is
recalculated so it remain unchanged.
The pinmux bits for those pins are not explicitly specified in RK3328
TRM, however we can get hint from pad name and its correspinding IOMUX
setting for pins in interface descriptions. The correspinding IOMIX
settings for GPIO2-B0 to GPIO2-B6 can be found in the same row next to
occurrences of following pad names in RK3328 TRM.
GPIO2-B0: IO_SPIclkm0_GPIO2B0vccio5
GPIO2-B1: IO_SPItxdm0_GPIO2B1vccio5
GPIO2-B2: IO_SPIrxdm0_GPIO2B2vccio5
GPIO2-B3: IO_SPIcsn0m0_GPIO2B3vccio5
GPIO2-B4: IO_SPIcsn1m0_FLASHvol_sel_GPIO2B4vccio5
GPIO2-B5: IO_ I2C2sda_TSADCshut_GPIO2B5vccio5
GPIO2-B6: IO_ I2C2scl_GPIO2B6vccio5
This fix has been tested on NanoPi R2S for fixing confliting pinmux bits
between GPIO2-B7 with GPIO2-B5.
Signed-off-by: Huang-Huang Bao <i@eh5.me>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Fixes: 3818e4a7678e ("pinctrl: rockchip: Add rk3328 pinctrl support")
Link: https://lore.kernel.org/r/20240606125755.53778-2-i@eh5.me
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In create_pinctrl(), pinctrl_maps_mutex is acquired before calling
add_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl()
calls pinctrl_free(). However, pinctrl_free() attempts to acquire
pinctrl_maps_mutex, which is already held by create_pinctrl(), leading to
a potential deadlock.
This patch resolves the issue by releasing pinctrl_maps_mutex before
calling pinctrl_free(), preventing the deadlock.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Fixes: 42fed7ba44e4 ("pinctrl: move subsystem mutex to pinctrl_dev struct")
Suggested-by: Maximilian Heyne <mheyne@amazon.de>
Signed-off-by: Hagar Hemdan <hagarhem@amazon.com>
Link: https://lore.kernel.org/r/20240604085838.3344-1-hagarhem@amazon.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The commit 8ff05989b44e ("pinctrl: bcm2835: Make pin freeing behavior
configurable") unintentionally made the module parameter
persist_gpio_outputs changeable at runtime. So drop the write permission
in order to make the freeing behavior predictable for user applications.
Fixes: 8ff05989b44e ("pinctrl: bcm2835: Make pin freeing behavior configurable")
Reported-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Closes: https://lore.kernel.org/linux-gpio/Zjk-C0nLmlynqLAE@surfacebook.localdomain/
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240603181938.76047-2-wahrenst@gmx.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add missing support for LP8764 PMIC in the probe().
Issue detected with v6.10-rc1 (and reproduced with 6.10-rc2) using a TI
J7200 EVM board.
tps6594-pinctrl tps6594-pinctrl.8.auto: error -EINVAL:
Couldn't register gpio_regmap driver
tps6594-pinctrl tps6594-pinctrl.8.auto: probe with driver tps6594-pinctrl
failed with error -22
Fixes: 208829715917 (pinctrl: pinctrl-tps6594: Add TPS65224 PMIC pinctrl and GPIO)
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20240603082110.2104977-1-thomas.richard@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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We always call scheduled_delayed_work with no delay, so just use a
non-delayed work_struct instead.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503192922.2172314-4-sean.anderson@linux.dev
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Sort the members of struct zynqmp_dp to reduce padding necessary for
alignment.
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503192922.2172314-3-sean.anderson@linux.dev
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drm_encoder_cleanup is responsible for calling drm_bridge_detach for
each bridge attached to the encoder. zynqmp_dp_bridge_detach is in turn
responsible for unregistering the AUX bus. However, we never ended up
calling drm_encoder_cleanup in the remove or error paths, so the AUX bus
would stick around after the rest of the driver had been removed.
I don't really understand why drm_mode_config_cleanup doesn't call
drm_encoder_cleanup for us. It will call destroy (which for
simple_encoder is drm_encoder_cleanup) on encoders in the mode_config's
encoder_list.
Should drm_encoder_cleanup get called before or after
drm_atomic_helper_shutdown?
Fixes: 2dfd045c8435 ("drm: xlnx: zynqmp_dpsub: Register AUX bus at bridge attach time")
Signed-off-by: Sean Anderson <sean.anderson@linux.dev>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503192922.2172314-2-sean.anderson@linux.dev
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Unconditionally enable the DPSUB layer in the corresponding atomic plane
update callback. Setting the new display mode may require disabling and
re-enabling the CRTC. This effectively resets DPSUB to the default state
with all layers disabled. The original implementation of the plane atomic
update enables the corresponding DPSUB layer only if the framebuffer
format has changed. This would leave the layer disabled after switching to
a different display mode with the same framebuffer format.
Signed-off-by: Anatoliy Klymenko <anatoliy.klymenko@amd.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240523-dp-layer-enable-v2-1-d799020098fc@amd.com
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If zynqmp_dpsub_drm_init() fails, we must undo the previous
drm_bridge_add() call.
Fixes: be3f3042391d ("drm: zynqmp_dpsub: Always register bridge")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Sean Anderson <sean.anderso@linux.dev>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/974d1b062d7c61ee6db00d16fa7c69aa1218ee02.1716198025.git.christophe.jaillet@wanadoo.fr
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The binding for PM8008 is being reworked so that internal details like
interrupts and register offsets are no longer described. This
specifically also involves dropping the gpio child node and its
compatible string which is no longer needed.
Note that there are currently no users of the upstream binding and
driver.
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20240529162958.18081-10-johan+linaro@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The SPMI GPIO driver assumes that the parent device is an SPMI device
and accesses random data when backcasting the parent struct device
pointer for non-SPMI devices.
Fortunately this does not seem to cause any issues currently when the
parent device is an I2C client like the PM8008, but this could change if
the structures are reorganised (e.g. using structure randomisation).
Notably the interrupt implementation is also broken for non-SPMI devices.
Also note that the two GPIO pins on PM8008 are used for interrupts and
reset so their practical use should be limited.
Drop the broken GPIO support for PM8008 for now.
Fixes: ea119e5a482a ("pinctrl: qcom-pmic-gpio: Add support for pm8008")
Cc: stable@vger.kernel.org # 5.13
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240529162958.18081-9-johan+linaro@kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Luis has been reporting an assert failure when freeing an inode
cluster during inode inactivation for a while. The assert looks
like:
XFS: Assertion failed: bp->b_flags & XBF_DONE, file: fs/xfs/xfs_trans_buf.c, line: 241
------------[ cut here ]------------
kernel BUG at fs/xfs/xfs_message.c:102!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 4 PID: 73 Comm: kworker/4:1 Not tainted 6.10.0-rc1 #4
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: xfs-inodegc/loop5 xfs_inodegc_worker [xfs]
RIP: 0010:assfail (fs/xfs/xfs_message.c:102) xfs
RSP: 0018:ffff88810188f7f0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff88816e748250 RCX: 1ffffffff844b0e7
RDX: 0000000000000004 RSI: ffff88810188f558 RDI: ffffffffc2431fa0
RBP: 1ffff11020311f01 R08: 0000000042431f9f R09: ffffed1020311e9b
R10: ffff88810188f4df R11: ffffffffac725d70 R12: ffff88817a3f4000
R13: ffff88812182f000 R14: ffff88810188f998 R15: ffffffffc2423f80
FS: 0000000000000000(0000) GS:ffff8881c8400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fe9d0f109c CR3: 000000014426c002 CR4: 0000000000770ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
<TASK>
xfs_trans_read_buf_map (fs/xfs/xfs_trans_buf.c:241 (discriminator 1)) xfs
xfs_imap_to_bp (fs/xfs/xfs_trans.h:210 fs/xfs/libxfs/xfs_inode_buf.c:138) xfs
xfs_inode_item_precommit (fs/xfs/xfs_inode_item.c:145) xfs
xfs_trans_run_precommits (fs/xfs/xfs_trans.c:931) xfs
__xfs_trans_commit (fs/xfs/xfs_trans.c:966) xfs
xfs_inactive_ifree (fs/xfs/xfs_inode.c:1811) xfs
xfs_inactive (fs/xfs/xfs_inode.c:2013) xfs
xfs_inodegc_worker (fs/xfs/xfs_icache.c:1841 fs/xfs/xfs_icache.c:1886) xfs
process_one_work (kernel/workqueue.c:3231)
worker_thread (kernel/workqueue.c:3306 (discriminator 2) kernel/workqueue.c:3393 (discriminator 2))
kthread (kernel/kthread.c:389)
ret_from_fork (arch/x86/kernel/process.c:147)
ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
</TASK>
And occurs when the the inode precommit handlers is attempt to look
up the inode cluster buffer to attach the inode for writeback.
The trail of logic that I can reconstruct is as follows.
1. the inode is clean when inodegc runs, so it is not
attached to a cluster buffer when precommit runs.
2. #1 implies the inode cluster buffer may be clean and not
pinned by dirty inodes when inodegc runs.
3. #2 implies that the inode cluster buffer can be reclaimed
by memory pressure at any time.
4. The assert failure implies that the cluster buffer was
attached to the transaction, but not marked done. It had
been accessed earlier in the transaction, but not marked
done.
5. #4 implies the cluster buffer has been invalidated (i.e.
marked stale).
6. #5 implies that the inode cluster buffer was instantiated
uninitialised in the transaction in xfs_ifree_cluster(),
which only instantiates the buffers to invalidate them
and never marks them as done.
Given factors 1-3, this issue is highly dependent on timing and
environmental factors. Hence the issue can be very difficult to
reproduce in some situations, but highly reliable in others. Luis
has an environment where it can be reproduced easily by g/531 but,
OTOH, I've reproduced it only once in ~2000 cycles of g/531.
I think the fix is to have xfs_ifree_cluster() set the XBF_DONE flag
on the cluster buffers, even though they may not be initialised. The
reasons why I think this is safe are:
1. A buffer cache lookup hit on a XBF_STALE buffer will
clear the XBF_DONE flag. Hence all future users of the
buffer know they have to re-initialise the contents
before use and mark it done themselves.
2. xfs_trans_binval() sets the XFS_BLI_STALE flag, which
means the buffer remains locked until the journal commit
completes and the buffer is unpinned. Hence once marked
XBF_STALE/XFS_BLI_STALE by xfs_ifree_cluster(), the only
context that can access the freed buffer is the currently
running transaction.
3. #2 implies that future buffer lookups in the currently
running transaction will hit the transaction match code
and not the buffer cache. Hence XBF_STALE and
XFS_BLI_STALE will not be cleared unless the transaction
initialises and logs the buffer with valid contents
again. At which point, the buffer will be marked marked
XBF_DONE again, so having XBF_DONE already set on the
stale buffer is a moot point.
4. #2 also implies that any concurrent access to that
cluster buffer will block waiting on the buffer lock
until the inode cluster has been fully freed and is no
longer an active inode cluster buffer.
5. #4 + #1 means that any future user of the disk range of
that buffer will always see the range of disk blocks
covered by the cluster buffer as not done, and hence must
initialise the contents themselves.
6. Setting XBF_DONE in xfs_ifree_cluster() then means the
unlinked inode precommit code will see a XBF_DONE buffer
from the transaction match as it expects. It can then
attach the stale but newly dirtied inode to the stale
but newly dirtied cluster buffer without unexpected
failures. The stale buffer will then sail through the
journal and do the right thing with the attached stale
inode during unpin.
Hence the fix is just one line of extra code. The explanation of
why we have to set XBF_DONE in xfs_ifree_cluster, OTOH, is long and
complex....
Fixes: 82842fee6e59 ("xfs: fix AGF vs inode cluster buffer deadlock")
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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