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Use capital letters in acronyms for CD-ROM, FPGA, and PCMCIA.
Use capital letter in the first word of chapter headings for
Locking, Timers, and "Brief tutorial on CRC computation".
Signed-off-by: Randy Dunlap <[email protected]>
Cc: Moritz Fischer <[email protected]>
Cc: Wu Hao <[email protected]>
Cc: Tom Rix <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: Waiman Long <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Dominik Brodowski <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Acked-by: Xu Yilun <[email protected]>
Reviewed-by: Phillip Potter <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>
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get_line_out_pfx() may trigger an Oops by overflowing the static array
with more than 8 channels. This was reported for MacBookPro 12,1 with
Cirrus codec.
As a workaround, extend for the 9.1 channels and also fix the
potential Oops by unifying the code paths accessing the same array
with the proper size check.
Reported-by: Olliver Schinagl <[email protected]>
Cc: <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Takashi Iwai <[email protected]>
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memfd_secret syscall
To pick the changes in these csets:
7608f70adcb1ea69 ("s390: wire up memfd_secret system call")
That add support for this new syscall in tools such as 'perf trace'.
For instance, this is now possible (adapted from the x86_64 test output):
# perf trace -v -e memfd_secret
event qualifier tracepoint filter: (common_pid != 13375 && common_pid != 3713) && (id == 447)
^C#
That is the filter expression attached to the raw_syscalls:sys_{enter,exit}
tracepoints.
$ grep memfd_secret tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
447 common memfd_secret sys_memfd_secret
$
This addresses this perf build warnings:
Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
Cc: Adrian Hunter <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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ddc65971bb677aa9 ("prctl: add PR_GET_AUXV to copy auxv to userspace")
To pick the changes in:
That don't result in any changes in tooling:
$ tools/perf/trace/beauty/prctl_option.sh > before
$ cp include/uapi/linux/prctl.h tools/include/uapi/linux/prctl.h
$ tools/perf/trace/beauty/prctl_option.sh > after
$ diff -u before after
$
This actually adds a new prctl arg, but it has to be dealt with
differently, as it is not in sequence with the other arguments.
Just silences this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/prctl.h' differs from latest version at 'include/uapi/linux/prctl.h'
diff -u tools/include/uapi/linux/prctl.h include/uapi/linux/prctl.h
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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Some metrics may not have a metric_group which can result in segvs
with "perf stat --topdown". Add a condition for the no metric_group
case.
Fixes: 1647cd5b8802698f ("perf stat: Implement --topdown using json metrics")
Reported-by: Kan Liang <[email protected]>
Signed-off-by: Ian Rogers <[email protected]>
Tested-by: Kan Liang <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kajol Jain <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.4
More fixes that came in since the merge window, the bulk of which are
for the SOF code, I suspect as a result of the wide usage, active
development and large code size rather than huge quality problems.
There's also a couple of MAINTAINERS updates and some new device quirks.
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When parse_pmsr_capa failed in hwsim_new_radio_nl, the memory resources
applied for by pmsr_capa are not released. Add release processing to the
incorrect path.
Fixes: 92d13386ec55 ("mac80211_hwsim: add PMSR capability support")
Reported-by: [email protected]
Signed-off-by: Zhengchao Shao <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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The rs_drv_get_rate flow reads the lq_sta to return the optimal rate
for tx frames. This read flow is not protected thereby leaving
a small window, a few instructions wide, open to contention by an
asynchronous rate update. Indeed this race condition was hit and the
update occurred in the middle of the read.
Fix this by locking the lq_sta struct during read.
Signed-off-by: Ariel Malamud <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.b52c9ed5c379.I15290b78e0d966c1b68278263776ca9de841d5fe@changeid
Signed-off-by: Johannes Berg <[email protected]>
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This bitmap equals to zero when in a non-MLO mode, and then we won't
be iterating on any link. Use for_each_sta_active_link() instead, as
it handles also the case of non-MLO mode.
Signed-off-by: Miri Korenblit <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.f32a8c08730a.Ib02248cd0b7f2bc885f91005c3c110dd027f9dcd@changeid
Signed-off-by: Johannes Berg <[email protected]>
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If the firmware sends us a corrupted MCC response with
n_channels much larger than the command response can be,
we might copy far too much (uninitialized) memory and
even crash if the n_channels is large enough to make it
run out of the one page allocated for the FW response.
Fix that by checking the lengths. Doing a < comparison
would be sufficient, but the firmware should be doing
it correctly, so check more strictly.
Fixes: dcaf9f5ecb6f ("iwlwifi: mvm: add MCC update FW API")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.d7b233139eb4.I51fd319df8e9d41881fc8450e83d78049518a79a@changeid
Signed-off-by: Johannes Berg <[email protected]>
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Fix a spelling mistake.
Fixes: 2856f623ce48 ("iwlwifi: mvm: Add list of OEMs allowed to use TAS")
Signed-off-by: Alon Giladi <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.4090de6d1878.If9391ef6da78f1b2cc5eb6cb8f6965816bb7a7f5@changeid
Signed-off-by: Johannes Berg <[email protected]>
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Fix a spelling mistake.
Fixes: e8e10a37c51c ("iwlwifi: acpi: move ppag code from mvm to fw/acpi")
Signed-off-by: Alon Giladi <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.fdd07f36a8bf.I223e5fb16ab5c95d504c3fdaffd0bd70affad1c2@changeid
Signed-off-by: Johannes Berg <[email protected]>
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In iwl_mvm_mld_update_sta(), if the flow doesn't enter
for_each_sta_active_link(), the default value is returned.
Set this default to -EINVAL instead of 0 to better reflect
this.
Signed-off-by: Mukesh Sisodiya <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.98b7e3aacf0b.I2fc274dd7e374ef7fac8e26d71c9cd73323da665@changeid
Signed-off-by: Johannes Berg <[email protected]>
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RCU protected fw_id_to_mac_id can be initialized with either
an error code or NULL. Thus, after dereferencing need to check
the value with IS_ERR_OR_NULL() and not only that it is not NULL.
Fix it.
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.ec5f2880e81c.Ifa8c0f451df2835bde800f5c3670cc46238a3bd8@changeid
Signed-off-by: Johannes Berg <[email protected]>
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The DBGI dump is (unsurprisingly) of type DBGI, not SRAM.
This leads to bad register accesses because the union is
built differently, there's no allocation ID, and thus the
allocation ID ends up being 0x8000.
Note that this was already wrong for DRAM vs. SMEM since
they use different parts of the union, but the allocation
ID is at the same place, so it worked.
Fix all of this but set the allocation ID in a way that
the offset calculation ends up without any offset.
Fixes: 34bc27783a31 ("iwlwifi: yoyo: fix DBGI_SRAM ini dump header.")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.19a302ae4c65.I12272599f7c1930666157b9d5e7f81fe9ec4c421@changeid
Signed-off-by: Johannes Berg <[email protected]>
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The concurrent link checks need to correctly differentiate
between AP and non-AP, fix that.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.992b2f981ef6.I7d386c19354e9be39c4822f436dd22c93422b660@changeid
Signed-off-by: Johannes Berg <[email protected]>
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Lockdep points out that we can deadlock here by calling
cancel_delayed_work_sync() because that might be already
running and gotten interrupted by the NAPI soft-IRQ.
Even just calling something that can sleep is wrong in
this context though.
Luckily, it doesn't even really matter since the things
we need to do are idempotent, so just drop the _sync().
Fixes: e5d153ec54f0 ("iwlwifi: mvm: fix CSA AP side")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.b1813c823b4d.I9d20cc06d24fa40b6774d3dd95ea5e2bf8dd015b@changeid
Signed-off-by: Johannes Berg <[email protected]>
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We don't need to (and shouldn't) initialize the spinlock
during HW restart that was already initialized, so move
that into the correct if block. Since then we have two
consecutive if statements with the same (though inverted)
condition, unify those as well.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.221c22cfdf4e.I2e30113ef4bd8cb5bd9e1a69e52a95671914961c@changeid
Signed-off-by: Johannes Berg <[email protected]>
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There are some assertions in the STA removal code that can
fail, and in that case we may leak memory since we skip
the freeing.
Fix this by freeing the dup_data earlier in the function,
we already have a check for when we free the station, and
this we don't need to do it with and without MLD API, so
it's a win all around.
Fixes: a571f5f635ef ("iwlwifi: mvm: add duplicate packet detection per rx queue")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230514120631.173938681d72.Iff4b55fc52943825d6e3e28d78a24b155ea5cd22@changeid
Signed-off-by: Johannes Berg <[email protected]>
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When we allocate a new channel context, or find an existing one
that is compatible, we currently assign it to a link before its
mindef is updated. This leads to strange situations, especially
in link switching where you switch to an 80 MHz link and expect
it to be active immediately, but the mindef is still configured
to 20 MHz while assigning. Also, it's strange that the chandef
passed to the assign method's argument is wider than the one in
the context.
Fix this by calculating the mindef with the new link considered
before calling the driver.
In particular, this fixes an iwlwifi problem during link switch
where the firmware would assert because the (link) station that
was added for the AP is configured to transmit at a bandwidth
that's wider than the channel context that it's configured on.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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When a chanctx is reserved for a new vif and we recalculate
the minimal definition for it, we need to consider the new
interface it's being reserved for before we assign it, so it
can be used directly with the correct min channel width.
Fix the code to - optionally - consider that, and use that
option just before doing the reassignment.
Also, when considering channel context reservations, we
should only consider the one link we're currently working with.
Change the boolean argument to a link pointer to do that.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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There's no need to call ieee80211_recalc_chanctx_min_def()
since it cannot and won't call the driver anyway; just use
_ieee80211_recalc_chanctx_min_def() instead.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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When stopping the AP, there might be a color change in progress. It
should be deactivated here, or the driver might later finalize a color
change on a stopped AP.
Fixes: 5f9404abdf2a (mac80211: add support for BSS color change)
Signed-off-by: Michael Lee <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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We need to set the correct trace variable, otherwise we're
overwriting something else instead and the right one that
we print later is not initialized.
Fixes: b6011960f392 ("mac80211: handle channel frequency offset")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
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This feature depends on a platform bugfix. Until we have a
mechanism that can verify a platform has the required bugfix,
disable RFI.
Fixes: ef3ed33dfc8f ("wifi: iwlwifi: bump FW API to 77 for AX devices")
Reported-by: Jeff Chua <[email protected]>
Link: https://lore.kernel.org/linux-wireless/CAAJw_ZvZdFpw9W2Hisc9c2BAFbYAnQuaFFaFG6N7qPUP2fOL_w@mail.gmail.com/
Signed-off-by: Gregory Greenman <[email protected]>
Signed-off-by: Johannes Berg <[email protected]>
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'changed' can be OR'ed with BSS_CHANGED_EHT_PUNCTURING which is larger than
an u32.
So, turn 'changed' into an u64 and update ieee80211_set_after_csa_beacon()
accordingly.
In the commit in Fixes, only ieee80211_start_ap() was updated.
Fixes: 2cc25e4b2a04 ("wifi: mac80211: configure puncturing bitmap")
Signed-off-by: Christophe JAILLET <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/e84a3f80fe536787f7a2c7180507efc36cd14f95.1682358088.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Johannes Berg <[email protected]>
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In the function ieee80211_tx_dequeue() there is a particular locking
sequence:
begin:
spin_lock(&local->queue_stop_reason_lock);
q_stopped = local->queue_stop_reasons[q];
spin_unlock(&local->queue_stop_reason_lock);
However small the chance (increased by ftracetest), an asynchronous
interrupt can occur in between of spin_lock() and spin_unlock(),
and the interrupt routine will attempt to lock the same
&local->queue_stop_reason_lock again.
This will cause a costly reset of the CPU and the wifi device or an
altogether hang in the single CPU and single core scenario.
The only remaining spin_lock(&local->queue_stop_reason_lock) that
did not disable interrupts was patched, which should prevent any
deadlocks on the same CPU/core and the same wifi device.
This is the probable trace of the deadlock:
kernel: ================================
kernel: WARNING: inconsistent lock state
kernel: 6.3.0-rc6-mt-20230401-00001-gf86822a1170f #4 Tainted: G W
kernel: --------------------------------
kernel: inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
kernel: kworker/5:0/25656 [HC0[0]:SC0[0]:HE1:SE1] takes:
kernel: ffff9d6190779478 (&local->queue_stop_reason_lock){+.?.}-{2:2}, at: return_to_handler+0x0/0x40
kernel: {IN-SOFTIRQ-W} state was registered at:
kernel: lock_acquire+0xc7/0x2d0
kernel: _raw_spin_lock+0x36/0x50
kernel: ieee80211_tx_dequeue+0xb4/0x1330 [mac80211]
kernel: iwl_mvm_mac_itxq_xmit+0xae/0x210 [iwlmvm]
kernel: iwl_mvm_mac_wake_tx_queue+0x2d/0xd0 [iwlmvm]
kernel: ieee80211_queue_skb+0x450/0x730 [mac80211]
kernel: __ieee80211_xmit_fast.constprop.66+0x834/0xa50 [mac80211]
kernel: __ieee80211_subif_start_xmit+0x217/0x530 [mac80211]
kernel: ieee80211_subif_start_xmit+0x60/0x580 [mac80211]
kernel: dev_hard_start_xmit+0xb5/0x260
kernel: __dev_queue_xmit+0xdbe/0x1200
kernel: neigh_resolve_output+0x166/0x260
kernel: ip_finish_output2+0x216/0xb80
kernel: __ip_finish_output+0x2a4/0x4d0
kernel: ip_finish_output+0x2d/0xd0
kernel: ip_output+0x82/0x2b0
kernel: ip_local_out+0xec/0x110
kernel: igmpv3_sendpack+0x5c/0x90
kernel: igmp_ifc_timer_expire+0x26e/0x4e0
kernel: call_timer_fn+0xa5/0x230
kernel: run_timer_softirq+0x27f/0x550
kernel: __do_softirq+0xb4/0x3a4
kernel: irq_exit_rcu+0x9b/0xc0
kernel: sysvec_apic_timer_interrupt+0x80/0xa0
kernel: asm_sysvec_apic_timer_interrupt+0x1f/0x30
kernel: _raw_spin_unlock_irqrestore+0x3f/0x70
kernel: free_to_partial_list+0x3d6/0x590
kernel: __slab_free+0x1b7/0x310
kernel: kmem_cache_free+0x52d/0x550
kernel: putname+0x5d/0x70
kernel: do_sys_openat2+0x1d7/0x310
kernel: do_sys_open+0x51/0x80
kernel: __x64_sys_openat+0x24/0x30
kernel: do_syscall_64+0x5c/0x90
kernel: entry_SYSCALL_64_after_hwframe+0x72/0xdc
kernel: irq event stamp: 5120729
kernel: hardirqs last enabled at (5120729): [<ffffffff9d149936>] trace_graph_return+0xd6/0x120
kernel: hardirqs last disabled at (5120728): [<ffffffff9d149950>] trace_graph_return+0xf0/0x120
kernel: softirqs last enabled at (5069900): [<ffffffff9cf65b60>] return_to_handler+0x0/0x40
kernel: softirqs last disabled at (5067555): [<ffffffff9cf65b60>] return_to_handler+0x0/0x40
kernel:
other info that might help us debug this:
kernel: Possible unsafe locking scenario:
kernel: CPU0
kernel: ----
kernel: lock(&local->queue_stop_reason_lock);
kernel: <Interrupt>
kernel: lock(&local->queue_stop_reason_lock);
kernel:
*** DEADLOCK ***
kernel: 8 locks held by kworker/5:0/25656:
kernel: #0: ffff9d618009d138 ((wq_completion)events_freezable){+.+.}-{0:0}, at: process_one_work+0x1ca/0x530
kernel: #1: ffffb1ef4637fe68 ((work_completion)(&local->restart_work)){+.+.}-{0:0}, at: process_one_work+0x1ce/0x530
kernel: #2: ffffffff9f166548 (rtnl_mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
kernel: #3: ffff9d6190778728 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
kernel: #4: ffff9d619077b480 (&mvm->mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
kernel: #5: ffff9d61907bacd8 (&trans_pcie->mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
kernel: #6: ffffffff9ef9cda0 (rcu_read_lock){....}-{1:2}, at: iwl_mvm_queue_state_change+0x59/0x3a0 [iwlmvm]
kernel: #7: ffffffff9ef9cda0 (rcu_read_lock){....}-{1:2}, at: iwl_mvm_mac_itxq_xmit+0x42/0x210 [iwlmvm]
kernel:
stack backtrace:
kernel: CPU: 5 PID: 25656 Comm: kworker/5:0 Tainted: G W 6.3.0-rc6-mt-20230401-00001-gf86822a1170f #4
kernel: Hardware name: LENOVO 82H8/LNVNB161216, BIOS GGCN51WW 11/16/2022
kernel: Workqueue: events_freezable ieee80211_restart_work [mac80211]
kernel: Call Trace:
kernel: <TASK>
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: dump_stack_lvl+0x5f/0xa0
kernel: dump_stack+0x14/0x20
kernel: print_usage_bug.part.46+0x208/0x2a0
kernel: mark_lock.part.47+0x605/0x630
kernel: ? sched_clock+0xd/0x20
kernel: ? trace_clock_local+0x14/0x30
kernel: ? __rb_reserve_next+0x5f/0x490
kernel: ? _raw_spin_lock+0x1b/0x50
kernel: __lock_acquire+0x464/0x1990
kernel: ? mark_held_locks+0x4e/0x80
kernel: lock_acquire+0xc7/0x2d0
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: ? ftrace_return_to_handler+0x8b/0x100
kernel: ? preempt_count_add+0x4/0x70
kernel: _raw_spin_lock+0x36/0x50
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: ieee80211_tx_dequeue+0xb4/0x1330 [mac80211]
kernel: ? prepare_ftrace_return+0xc5/0x190
kernel: ? ftrace_graph_func+0x16/0x20
kernel: ? 0xffffffffc02ab0b1
kernel: ? lock_acquire+0xc7/0x2d0
kernel: ? iwl_mvm_mac_itxq_xmit+0x42/0x210 [iwlmvm]
kernel: ? ieee80211_tx_dequeue+0x9/0x1330 [mac80211]
kernel: ? __rcu_read_lock+0x4/0x40
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_mvm_mac_itxq_xmit+0xae/0x210 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_mvm_queue_state_change+0x311/0x3a0 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_mvm_wake_sw_queue+0x17/0x20 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_txq_gen2_unmap+0x1c9/0x1f0 [iwlwifi]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_txq_gen2_free+0x55/0x130 [iwlwifi]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_txq_gen2_tx_free+0x63/0x80 [iwlwifi]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: _iwl_trans_pcie_gen2_stop_device+0x3f3/0x5b0 [iwlwifi]
kernel: ? _iwl_trans_pcie_gen2_stop_device+0x9/0x5b0 [iwlwifi]
kernel: ? mutex_lock_nested+0x4/0x30
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_trans_pcie_gen2_stop_device+0x5f/0x90 [iwlwifi]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_mvm_stop_device+0x78/0xd0 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: __iwl_mvm_mac_start+0x114/0x210 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: iwl_mvm_mac_start+0x76/0x150 [iwlmvm]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: drv_start+0x79/0x180 [mac80211]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: ieee80211_reconfig+0x1523/0x1ce0 [mac80211]
kernel: ? synchronize_net+0x4/0x50
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: ieee80211_restart_work+0x108/0x170 [mac80211]
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: process_one_work+0x250/0x530
kernel: ? ftrace_regs_caller_end+0x66/0x66
kernel: worker_thread+0x48/0x3a0
kernel: ? __pfx_worker_thread+0x10/0x10
kernel: kthread+0x10f/0x140
kernel: ? __pfx_kthread+0x10/0x10
kernel: ret_from_fork+0x29/0x50
kernel: </TASK>
Fixes: 4444bc2116ae ("wifi: mac80211: Proper mark iTXQs for resumption")
Link: https://lore.kernel.org/all/[email protected]/
Reported-by: Mirsad Goran Todorovac <[email protected]>
Cc: Gregory Greenman <[email protected]>
Cc: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/all/[email protected]/
Cc: David S. Miller <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Paolo Abeni <[email protected]>
Cc: Leon Romanovsky <[email protected]>
Cc: Alexander Wetzel <[email protected]>
Signed-off-by: Mirsad Goran Todorovac <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Reviewed-by: tag, or it goes automatically?
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Johannes Berg <[email protected]>
|
|
Ignore AP information for entries that include an invalid
BSSID in the TBTT information field, e.g., all zeros BSSIDs.
Fixes: c8cb5b854b40 ("nl80211/cfg80211: support 6 GHz scanning")
Signed-off-by: Ilan Peer <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20230424103224.5e65d04d1448.Ic10c8577ae4a85272c407106c9d0a2ecb5372743@changeid
Signed-off-by: Johannes Berg <[email protected]>
|
|
When the user disables rxvlan offloading and then changes the number of
channels, all VLAN ports are unable to receive traffic.
Changing the number of channels triggers a VFR reset. During re-init, when
VIRTCHNL_OP_GET_OFFLOAD_VLAN_V2_CAPS is received, we do:
1 - set the IAVF_FLAG_SETUP_NETDEV_FEATURES flag
2 - call
iavf_set_vlan_offload_features(adapter, 0, netdev->features);
The second step sends to the PF the __default__ features, in this case
aq_required |= IAVF_FLAG_AQ_ENABLE_CTAG_VLAN_STRIPPING
While the first step forces the watchdog task to call
netdev_update_features() -> iavf_set_features() ->
iavf_set_vlan_offload_features(adapter, netdev->features, features).
Since the user disabled the "rxvlan", this sets:
aq_required |= IAVF_FLAG_AQ_DISABLE_CTAG_VLAN_STRIPPING
When we start processing the AQ commands, both flags are enabled. Since we
process DISABLE_XTAG first then ENABLE_XTAG, this results in the PF
enabling the rxvlan offload. This breaks all communications on the VLAN
net devices.
Fix by removing the call to iavf_set_vlan_offload_features() (second
step). Calling netdev_update_features() from watchdog task is enough for
both init and reset paths.
Fixes: 7598f4b40bd6 ("iavf: Move netdev_update_features() into watchdog task")
Signed-off-by: Ahmed Zaki <[email protected]>
Tested-by: Rafal Romanowski <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
|
|
Fix the current implementation that causes ice_trigger_vf_reset()
to start resetting the VF even when the VF-NIC is still initializing.
When we reset NIC with ice driver it can interfere with
iavf-vf initialization e.g. during consecutive resets induced by ice
iavf ice
| |
|<-----------------|
| ice resets vf
iavf |
reset |
start |
|<-----------------|
| ice resets vf
| causing iavf
| initialization
| error
| |
iavf
reset
end
This leads to a series of -53 errors
(failed to init adminq) from the IAVF.
Change the state of the vf_state field to be not active when the IAVF
is still initializing. Make sure to wait until receiving the message on
the message box to ensure that the vf is ready and initializded.
In simple terms we use the ACTIVE flag to make sure that the ice
driver knows if the iavf is ready for another reset
iavf ice
| |
| |
|<------------- ice resets vf
iavf vf_state != ACTIVE
reset |
start |
| |
| |
iavf |
reset-------> vf_state == ACTIVE
end ice resets vf
| |
| |
Fixes: c54d209c78b8 ("ice: Wait for VF to be reset/ready before configuration")
Signed-off-by: Dawid Wesierski <[email protected]>
Signed-off-by: Kamil Maziarz <[email protected]>
Acked-by: Jacob Keller <[email protected]>
Tested-by: Rafal Romanowski <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
|
|
After a core PF reset, the VFs were showing wrong Rx/Tx stats. This is a
regression in commit 6624e780a577 ("ice: split ice_vsi_setup into smaller
functions") caused by missing to set "stat_offsets_loaded = false" in the
ice_vsi_rebuild() path.
Fixes: 6624e780a577 ("ice: split ice_vsi_setup into smaller functions")
Signed-off-by: Ahmed Zaki <[email protected]>
Reviewed-by: Alexander Lobakin <[email protected]>
Tested-by: Rafal Romanowski <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
|
|
clc length is now accepted to <= 8 less than length,
rather than < 8.
Solve issues on some of Axis's smb clients which send
messages where clc length is 8 bytes less than length.
The specific client was running kernel 4.19.217 with
smb dialect 3.0.2 on armv7l.
Cc: [email protected]
Signed-off-by: Gustav Johansson <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
ksmbd_smb2_check_message allows client to return one byte more, so we
need to allocate additional memory in ksmbd_conn_handler_loop to avoid
out-of-bound access.
Cc: [email protected]
Signed-off-by: Chih-Yen Chang <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
The offset of UserName is related to the address of security
buffer. To ensure the validaty of UserName, we need to compare name_off
+ name_len with secbuf_len instead of auth_msg_len.
[ 27.096243] ==================================================================
[ 27.096890] BUG: KASAN: slab-out-of-bounds in smb_strndup_from_utf16+0x188/0x350
[ 27.097609] Read of size 2 at addr ffff888005e3b542 by task kworker/0:0/7
...
[ 27.099950] Call Trace:
[ 27.100194] <TASK>
[ 27.100397] dump_stack_lvl+0x33/0x50
[ 27.100752] print_report+0xcc/0x620
[ 27.102305] kasan_report+0xae/0xe0
[ 27.103072] kasan_check_range+0x35/0x1b0
[ 27.103757] smb_strndup_from_utf16+0x188/0x350
[ 27.105474] smb2_sess_setup+0xaf8/0x19c0
[ 27.107935] handle_ksmbd_work+0x274/0x810
[ 27.108315] process_one_work+0x419/0x760
[ 27.108689] worker_thread+0x2a2/0x6f0
[ 27.109385] kthread+0x160/0x190
[ 27.110129] ret_from_fork+0x1f/0x30
[ 27.110454] </TASK>
Cc: [email protected]
Signed-off-by: Chih-Yen Chang <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
Add tag_len argument in smb2_find_context_vals() to avoid out-of-bound
read when create_context's name_len is larger than tag length.
[ 7.995411] ==================================================================
[ 7.995866] BUG: KASAN: global-out-of-bounds in memcmp+0x83/0xa0
[ 7.996248] Read of size 8 at addr ffffffff8258d940 by task kworker/0:0/7
...
[ 7.998191] Call Trace:
[ 7.998358] <TASK>
[ 7.998503] dump_stack_lvl+0x33/0x50
[ 7.998743] print_report+0xcc/0x620
[ 7.999458] kasan_report+0xae/0xe0
[ 7.999895] kasan_check_range+0x35/0x1b0
[ 8.000152] memcmp+0x83/0xa0
[ 8.000347] smb2_find_context_vals+0xf7/0x1e0
[ 8.000635] smb2_open+0x1df2/0x43a0
[ 8.006398] handle_ksmbd_work+0x274/0x810
[ 8.006666] process_one_work+0x419/0x760
[ 8.006922] worker_thread+0x2a2/0x6f0
[ 8.007429] kthread+0x160/0x190
[ 8.007946] ret_from_fork+0x1f/0x30
[ 8.008181] </TASK>
Cc: [email protected]
Signed-off-by: Chih-Yen Chang <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
|
|
This incorrect tracking caused unnecessary ring expansion in some
usecases which over days of use consume a lot of memory.
xhci driver tries to keep track of free transfer blocks (TRBs) on the
ring buffer, but failed to add back some cancelled transfers that were
turned into no-op operations instead of just moving past them.
This can happen if there are several queued pending transfers which
then are cancelled in reverse order.
Solve this by counting the numer of steps we move the dequeue pointer
once we complete a transfer, and add it to the number of free trbs
instead of just adding the trb number of the current transfer.
This way we ensure we count the no-op trbs on the way as well.
Fixes: 55f6153d8cc8 ("xhci: remove extra loop in interrupt context")
Cc: [email protected]
Reported-by: Miller Hunter <[email protected]>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217242
Tested-by: Miller Hunter <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Donghun reports that a notebook that has an AMD Ryzen 5700U but supports
S3 has problems with USB after resuming from suspend. The issue was
bisected down to commit d1658268e439 ("usb: pci-quirks: disable D3cold on
xhci suspend for s2idle on AMD Renoir").
As this issue only happens on S3, narrow the broken D3cold quirk to only
run in s2idle.
Fixes: d1658268e439 ("usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir")
Reported-and-tested-by: Donghun Yoon <[email protected]>
Cc: [email protected]
Signed-off-by: Mario Limonciello <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
For an SR-IOV device, while enabling DDW, a new table is created and
added at index 1 in the group. In the below 2 scenarios, the table is
incorrectly referenced at index 0 (which is where the table is for
default DMA window).
1. When adding DDW
This issue is exposed with "slub_debug". Error thrown out from
dma_iommu_dma_supported()
Warning: IOMMU offset too big for device mask
mask: 0xffffffff, table offset: 0x800000000000000
2. During Dynamic removal of the PCI device.
Error is from iommu_tce_table_put() since a NULL table pointer is
passed in.
Fixes: 381ceda88c4c ("powerpc/pseries/iommu: Make use of DDW for indirect mapping")
Cc: [email protected] # v5.15+
Signed-off-by: Gaurav Batra <[email protected]>
Reviewed-by: Brian King <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://msgid.link/[email protected]
|
|
When DMA window is backed by 2MB TCEs, the DMA address for the mapped
page should be the offset of the page relative to the 2MB TCE. The code
was incorrectly setting the DMA address to the beginning of the TCE
range.
Mellanox driver is reporting timeout trying to ENABLE_HCA for an SR-IOV
ethernet port, when DMA window is backed by 2MB TCEs.
Fixes: 387273118714 ("powerps/pseries/dma: Add support for 2M IOMMU page size")
Cc: [email protected] # v5.16+
Signed-off-by: Gaurav Batra <[email protected]>
Reviewed-by: Greg Joyce <[email protected]>
Reviewed-by: Brian King <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://msgid.link/[email protected]
|
|
Now that power calls iommu_device_register() and populates its groups
using iommu_ops->device_group it should not be calling
iommu_group_remove_device().
The core code owns the groups and all the other related iommu data, it
will clean it up automatically.
Remove the bus notifiers and explicit calls to
iommu_group_remove_device().
Fixes: a940904443e4 ("powerpc/iommu: Add iommu_ops to report capabilities and allow blocking domains")
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://msgid.link/[email protected]
|
|
The mte_sync_page_tags() function sets PG_mte_tagged if it initializes
page tags. Then we return to mte_sync_tags(), which sets PG_mte_tagged
again. At best, this is redundant. However, it is possible for
mte_sync_page_tags() to return without having initialized tags for the
page, i.e. in the case where check_swap is true (non-compound page),
is_swap_pte(old_pte) is false and pte_is_tagged is false. So at worst,
we set PG_mte_tagged on a page with uninitialized tags. This can happen
if, for example, page migration causes a PTE for an untagged page to
be replaced. If the userspace program subsequently uses mprotect() to
enable PROT_MTE for that page, the uninitialized tags will be exposed
to userspace.
Fix it by removing the redundant call to set_page_mte_tagged().
Fixes: e059853d14ca ("arm64: mte: Fix/clarify the PG_mte_tagged semantics")
Signed-off-by: Peter Collingbourne <[email protected]>
Cc: <[email protected]> # 6.1
Link: https://linux-review.googlesource.com/id/Ib02d004d435b2ed87603b858ef7480f7b1463052
Reviewed-by: Catalin Marinas <[email protected]>
Reviewed-by: Alexandru Elisei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
|
|
Consider the following sequence of events:
1) A page in a PROT_READ|PROT_WRITE VMA is faulted.
2) Page migration allocates a page with the KASAN allocator,
causing it to receive a non-match-all tag, and uses it
to replace the page faulted in 1.
3) The program uses mprotect() to enable PROT_MTE on the page faulted in 1.
As a result of step 3, we are left with a non-match-all tag for a page
with tags accessible to userspace, which can lead to the same kind of
tag check faults that commit e74a68468062 ("arm64: Reset KASAN tag in
copy_highpage with HW tags only") intended to fix.
The general invariant that we have for pages in a VMA with VM_MTE_ALLOWED
is that they cannot have a non-match-all tag. As a result of step 2, the
invariant is broken. This means that the fix in the referenced commit
was incomplete and we also need to reset the tag for pages without
PG_mte_tagged.
Fixes: e5b8d9218951 ("arm64: mte: reset the page tag in page->flags")
Cc: <[email protected]> # 5.15
Link: https://linux-review.googlesource.com/id/I7409cdd41acbcb215c2a7417c1e50d37b875beff
Signed-off-by: Peter Collingbourne <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
|
|
When just including <asm/arm_pmuv3.h>:
arch/arm64/include/asm/arm_pmuv3.h:31:13: error: ‘write_pmevtypern’ defined but not used [-Werror=unused-function]
31 | static void write_pmevtypern(int n, unsigned long val)
| ^~~~~~~~~~~~~~~~
arch/arm64/include/asm/arm_pmuv3.h:24:13: error: ‘write_pmevcntrn’ defined but not used [-Werror=unused-function]
24 | static void write_pmevcntrn(int n, unsigned long val)
| ^~~~~~~~~~~~~~~
arch/arm64/include/asm/arm_pmuv3.h:16:22: error: ‘read_pmevcntrn’ defined but not used [-Werror=unused-function]
16 | static unsigned long read_pmevcntrn(int n)
| ^~~~~~~~~~~~~~
Fix this by adding the missing "inline" keywords to the three accessor
functions that lack them.
Fixes: df29ddf4f04b ("arm64: perf: Abstract system register accesses away")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Link: https://lore.kernel.org/r/d53a19043c0c3bd25f6c203e73a2fb08a9661824.1683561482.git.geert+renesas@glider.be
Signed-off-by: Will Deacon <[email protected]>
|
|
When just including <asm/arm_pmuv3.h>:
arch/arm/include/asm/arm_pmuv3.h:110:13: error: ‘write_pmevtypern’ defined but not used [-Werror=unused-function]
110 | static void write_pmevtypern(int n, unsigned long val)
| ^~~~~~~~~~~~~~~~
arch/arm/include/asm/arm_pmuv3.h:103:13: error: ‘write_pmevcntrn’ defined but not used [-Werror=unused-function]
103 | static void write_pmevcntrn(int n, unsigned long val)
| ^~~~~~~~~~~~~~~
arch/arm/include/asm/arm_pmuv3.h:95:22: error: ‘read_pmevcntrn’ defined but not used [-Werror=unused-function]
95 | static unsigned long read_pmevcntrn(int n)
| ^~~~~~~~~~~~~~
Fix this by adding the missing "inline" keywords to the three accessor
functions that lack them.
Fixes: 009d6dc87a56 ("ARM: perf: Allow the use of the PMUv3 driver on 32bit ARM")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Acked-by: Mark Rutland <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]>
Link: https://lore.kernel.org/r/3a7d9bc7470aa2d85696ee9765c74f8c03fb5454.1683561482.git.geert+renesas@glider.be
Signed-off-by: Will Deacon <[email protected]>
|
|
Like the other calls in this function virt_to_page() expects
a pointer, not an integer.
However since many architectures implement virt_to_pfn() as
a macro, this function becomes polymorphic and accepts both a
(unsigned long) and a (void *).
Fix this up with an explicit cast.
Signed-off-by: Linus Walleij <[email protected]>
Link: http://lists.infradead.org/pipermail/linux-arm-kernel/2023-May/832583.html
Signed-off-by: Will Deacon <[email protected]>
|
|
This patch fixes several sparse warnings for fault.c:
arch/arm64/mm/fault.c:493:24: sparse: warning: incorrect type in return expression (different base types)
arch/arm64/mm/fault.c:493:24: sparse: expected restricted vm_fault_t
arch/arm64/mm/fault.c:493:24: sparse: got int
arch/arm64/mm/fault.c:501:32: sparse: warning: incorrect type in return expression (different base types)
arch/arm64/mm/fault.c:501:32: sparse: expected restricted vm_fault_t
arch/arm64/mm/fault.c:501:32: sparse: got int
arch/arm64/mm/fault.c:503:32: sparse: warning: incorrect type in return expression (different base types)
arch/arm64/mm/fault.c:503:32: sparse: expected restricted vm_fault_t
arch/arm64/mm/fault.c:503:32: sparse: got int
arch/arm64/mm/fault.c:511:24: sparse: warning: incorrect type in return expression (different base types)
arch/arm64/mm/fault.c:511:24: sparse: expected restricted vm_fault_t
arch/arm64/mm/fault.c:511:24: sparse: got int
arch/arm64/mm/fault.c:670:13: sparse: warning: restricted vm_fault_t degrades to integer
arch/arm64/mm/fault.c:670:13: sparse: warning: restricted vm_fault_t degrades to integer
arch/arm64/mm/fault.c:713:39: sparse: warning: restricted vm_fault_t degrades to integer
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Min-Hua Chen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
|
|
Removing the phy_stop() from bcmgenet_netif_stop() ended up causing
warnings from the PHY library that phy_start() is called from the
RUNNING state since we are no longer stopping the PHY state machine
during bcmgenet_suspend().
Restore the call to phy_stop() but make it conditional on being called
from the close or suspend path.
Fixes: c96e731c93ff ("net: bcmgenet: connect and disconnect from the PHY state machine")
Fixes: 93e0401e0fc0 ("net: bcmgenet: Remove phy_stop() from bcmgenet_netif_stop()")
Signed-off-by: Florian Fainelli <[email protected]>
Reviewed-by: Pavan Chebbi <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
|
|
The P360 Tiny suffers from an irq storm issue like the T490s, so add
an entry for it to tpm_tis_dmi_table, and force polling. There also
previously was a report from the previous attempt to enable interrupts
that involved a ThinkPad L490. So an entry is added for it as well.
Cc: [email protected]
Reported-by: Peter Zijlstra <[email protected]> # P360 Tiny
Closes: https://lore.kernel.org/linux-integrity/[email protected]/
Signed-off-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
|
|
Set TPM_CHIP_FLAG_SUSPENDED in tpm_pm_suspend() and reset in
tpm_pm_resume(). While the flag is set, tpm_hwrng() gives back zero
bytes. This prevents hwrng from racing during resume.
Cc: [email protected]
Fixes: 6e592a065d51 ("tpm: Move Linux RNG connection to hwrng")
Reviewed-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
|
|
Before sending a TPM command, CLKRUN protocol must be disabled. This is not
done in the case of tpm1_do_selftest() call site inside tpm_tis_resume().
Address this by decorating the calls with tpm_chip_{start,stop}, which
should be always used to arm and disarm the TPM chip for transmission.
Finally, move the call to the main TPM driver callback as the last step
because it should arm the chip by itself, if it needs that type of
functionality.
Cc: [email protected]
Reported-by: Jason A. Donenfeld <[email protected]>
Closes: https://lore.kernel.org/linux-integrity/CS68AWILHXS4.3M36M1EKZLUMS@suppilovahvero/
Fixes: a3fbfae82b4c ("tpm: take TPM chip power gating out of tpm_transmit()")
Reviewed-by: Jerry Snitselaar <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
|