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This was sort of annoying me:
random:~$ dmesg | tail -1
[523884.039227] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS.
random:~$ dmesg | grep -c "Reducing the compressed"
47
This patch makes it DRM_INFO_ONCE() just like the similar message
farther down in that function is pr_info_once().
Cc: stable@vger.kernel.org
Signed-off-by: Peter Jones <pjones@redhat.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/1745
Link: https://patchwork.freedesktop.org/patch/msgid/20180706190424.29194-1-pjones@redhat.com
[vsyrjala: Rebase due to per-device logging]
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
(cherry picked from commit 6b7fc6a3e6af4ff5773949d0fed70d8e7f68d5ce)
[Rodrigo: port back to DRM_INFO_ONCE]
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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the related system resources were not released when enetc_hw_alloc()
return error in the enetc_pci_mdio_probe(), add iounmap() for error
handling label "err_hw_alloc" to fix it.
Fixes: 6517798dd3432a ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull flex-array reverts from Gustavo Silva:
"This reverts flexible array changes in include/uapi/
These structures can get embedded in other structures in user-space
and cause all sorts of warnings and problems[1]. So, we better don't
take any chances and keep the zero-length arrays in place for now"
[1] https://lore.kernel.org/lkml/20200424121553.GE26002@ziepe.ca/
* tag 'flexible-array-member-5.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
uapi: revert flexible-array conversions
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When ENOSPC is set the idx is still valid and gets set to the global
MLX4_SINK_COUNTER_INDEX. However gcc's static analysis cannot tell that
ENOSPC is impossible from mlx4_cmd_imm() and gives this warning:
drivers/net/ethernet/mellanox/mlx4/main.c:2552:28: warning: 'idx' may be
used uninitialized in this function [-Wmaybe-uninitialized]
2552 | priv->def_counter[port] = idx;
Also, when ENOSPC is returned mlx4_allocate_default_counters should not
fail.
Fixes: 6de5f7f6a1fa ("net/mlx4_core: Allocate default counter per port")
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Devlink health core conditions the reporter's recovery with the
expiration of the grace period. This is not relevant for the first
recovery. Explicitly demand that the grace period will only apply to
recoveries other than the first.
Fixes: c8e1da0bf923 ("devlink: Add health report functionality")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit 5a7d202b1574, a logical AND was erroneously changed to an OR,
causing WaIncreaseLatencyIPCEnabled to be enabled unconditionally for
kabylake and coffeelake, even when IPC is disabled. Fix the logic so
that WaIncreaseLatencyIPCEnabled is only used when IPC is enabled.
Fixes: 5a7d202b1574 ("drm/i915: Drop WaIncreaseLatencyIPCEnabled/1140 for cnl")
Cc: stable@vger.kernel.org # 5.3.x+
Signed-off-by: Sultan Alsawaf <sultan@kerneltoast.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200430214654.51314-1-sultan@kerneltoast.com
(cherry picked from commit 690d22dafa88b82453516387b475664047a6bd14)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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In order to allow userspace to rely on timeslicing to reorder their
batches, we must support preemption of those user batches. Declare
timeslicing as an explicit property that is a combination of having the
kernel support and HW support.
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 8ee36e048c98 ("drm/i915/execlists: Minimalistic timeslicing")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200501122249.12417-1-chris@chris-wilson.co.uk
(cherry picked from commit a211da9c771bf97395a3ced83a3aa383372b13a7)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Once the intel_context is closed, the GEM context may be freed and so
the link from intel_context.gem_context is invalid.
<3>[ 219.782944] BUG: KASAN: use-after-free in intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<3>[ 219.782996] Read of size 8 at addr ffff8881d7dff0b8 by task kworker/0:1/12
<4>[ 219.783052] CPU: 0 PID: 12 Comm: kworker/0:1 Tainted: G U 5.7.0-rc2-g1f3ffd7683d54-kasan_118+ #1
<4>[ 219.783055] Hardware name: System manufacturer System Product Name/Z170 PRO GAMING, BIOS 3402 04/26/2017
<4>[ 219.783105] Workqueue: events heartbeat [i915]
<4>[ 219.783109] Call Trace:
<4>[ 219.783113] <IRQ>
<4>[ 219.783119] dump_stack+0x96/0xdb
<4>[ 219.783177] ? intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<4>[ 219.783182] print_address_description.constprop.6+0x16/0x310
<4>[ 219.783239] ? intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<4>[ 219.783295] ? intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<4>[ 219.783300] __kasan_report+0x137/0x190
<4>[ 219.783359] ? intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<4>[ 219.783366] kasan_report+0x32/0x50
<4>[ 219.783426] intel_engine_coredump_alloc+0x1bc3/0x2250 [i915]
<4>[ 219.783481] execlists_reset+0x39c/0x13d0 [i915]
<4>[ 219.783494] ? mark_held_locks+0x9e/0xe0
<4>[ 219.783546] ? execlists_hold+0xfc0/0xfc0 [i915]
<4>[ 219.783551] ? lockdep_hardirqs_on+0x348/0x5f0
<4>[ 219.783557] ? _raw_spin_unlock_irqrestore+0x34/0x60
<4>[ 219.783606] ? execlists_submission_tasklet+0x118/0x3a0 [i915]
<4>[ 219.783615] tasklet_action_common.isra.14+0x13b/0x410
<4>[ 219.783623] ? __do_softirq+0x1e4/0x9a7
<4>[ 219.783630] __do_softirq+0x226/0x9a7
<4>[ 219.783643] do_softirq_own_stack+0x2a/0x40
<4>[ 219.783647] </IRQ>
<4>[ 219.783692] ? heartbeat+0x3e2/0x10f0 [i915]
<4>[ 219.783696] do_softirq.part.13+0x49/0x50
<4>[ 219.783700] __local_bh_enable_ip+0x1a2/0x1e0
<4>[ 219.783748] heartbeat+0x409/0x10f0 [i915]
<4>[ 219.783801] ? __live_idle_pulse+0x9f0/0x9f0 [i915]
<4>[ 219.783806] ? lock_acquire+0x1ac/0x8a0
<4>[ 219.783811] ? process_one_work+0x811/0x1870
<4>[ 219.783827] ? rcu_read_lock_sched_held+0x9c/0xd0
<4>[ 219.783832] ? rcu_read_lock_bh_held+0xb0/0xb0
<4>[ 219.783836] ? _raw_spin_unlock_irq+0x1f/0x40
<4>[ 219.783845] process_one_work+0x8ca/0x1870
<4>[ 219.783848] ? lock_acquire+0x1ac/0x8a0
<4>[ 219.783852] ? worker_thread+0x1d0/0xb80
<4>[ 219.783864] ? pwq_dec_nr_in_flight+0x2c0/0x2c0
<4>[ 219.783870] ? do_raw_spin_lock+0x129/0x290
<4>[ 219.783886] worker_thread+0x82/0xb80
<4>[ 219.783895] ? __kthread_parkme+0xaf/0x1b0
<4>[ 219.783902] ? process_one_work+0x1870/0x1870
<4>[ 219.783906] kthread+0x34e/0x420
<4>[ 219.783911] ? kthread_create_on_node+0xc0/0xc0
<4>[ 219.783918] ret_from_fork+0x3a/0x50
<3>[ 219.783950] Allocated by task 1264:
<4>[ 219.783975] save_stack+0x19/0x40
<4>[ 219.783978] __kasan_kmalloc.constprop.3+0xa0/0xd0
<4>[ 219.784029] i915_gem_create_context+0xa2/0xab8 [i915]
<4>[ 219.784081] i915_gem_context_create_ioctl+0x1fa/0x450 [i915]
<4>[ 219.784085] drm_ioctl_kernel+0x1d8/0x270
<4>[ 219.784088] drm_ioctl+0x676/0x930
<4>[ 219.784092] ksys_ioctl+0xb7/0xe0
<4>[ 219.784096] __x64_sys_ioctl+0x6a/0xb0
<4>[ 219.784100] do_syscall_64+0x94/0x530
<4>[ 219.784103] entry_SYSCALL_64_after_hwframe+0x49/0xb3
<3>[ 219.784120] Freed by task 12:
<4>[ 219.784141] save_stack+0x19/0x40
<4>[ 219.784145] __kasan_slab_free+0x130/0x180
<4>[ 219.784148] kmem_cache_free_bulk+0x1bd/0x500
<4>[ 219.784152] kfree_rcu_work+0x1d8/0x890
<4>[ 219.784155] process_one_work+0x8ca/0x1870
<4>[ 219.784158] worker_thread+0x82/0xb80
<4>[ 219.784162] kthread+0x34e/0x420
<4>[ 219.784165] ret_from_fork+0x3a/0x50
Fixes: 2e46a2a0b014 ("drm/i915: Use explicit flag to mark unreachable intel_context")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428090255.10035-1-chris@chris-wilson.co.uk
(cherry picked from commit 24aac336ff78eb55aedda043ed982c61dc3ac49a)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The paranoidal pointer check in IRQ handler looks very strange - it
really protects us only against bogus drivers which request IRQ line
with null pointer dev_id. However, the code fragment is incorrect
because the dev pointer is used before the actual check which leads
to undefined behavior. Remove the check to avoid confusing people
with incorrect code.
Signed-off-by: Maxim Petrov <mmrmaximuzz@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When an application connects to the TIPC topology server and subscribes
to some services, a new connection is created along with some objects -
'tipc_subscription' to store related data correspondingly...
However, there is one omission in the connection handling that when the
connection or application is orderly shutdown (e.g. via SIGQUIT, etc.),
the connection is not closed in kernel, the 'tipc_subscription' objects
are not freed too.
This results in:
- The maximum number of subscriptions (65535) will be reached soon, new
subscriptions will be rejected;
- TIPC module cannot be removed (unless the objects are somehow forced
to release first);
The commit fixes the issue by closing the connection if the 'recvmsg()'
returns '0' i.e. when the peer is shutdown gracefully. It also includes
the other unexpected cases.
Acked-by: Jon Maloy <jmaloy@redhat.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Tuong Lien <tuong.t.lien@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff, Ilya, and Dongsheng are doing all of the Ceph maintainance
these days.
[ idryomov: Remove Sage's git tree too, it hasn't been pushed to
in years. ]
Signed-off-by: Sage Weil <sage@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Prior to 1d27732f411d ("net: dsa: setup and teardown ports"), we would
not treat failures to set-up an user port as fatal, but after this
commit we would, which is a regression for some systems where interfaces
may be declared in the Device Tree, but the underlying hardware may not
be present (pluggable daughter cards for instance).
Fixes: 1d27732f411d ("net: dsa: setup and teardown ports")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the ceph_mdsc_open_export_target_session() return fails, it will
do a "goto retry", but the session mutex has already been unlocked.
Re-lock the mutex in that case to ensure that we don't unlock it
twice.
Signed-off-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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There are 3 speical error codes: -EAGAIN/-EFBIG/-ESTALE.
After calling try_get_cap_refs, ceph_try_get_caps test for the
-EAGAIN twice. Ensure that it tests for -ESTALE instead.
Signed-off-by: Wu Bo <wubo40@huawei.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Eduard reported a problem mounting cephfs on s390 arch. The feature
mask sent by the MDS is little-endian, so we need to convert it
before storing and testing against it.
Cc: stable@vger.kernel.org
Reported-and-Tested-by: Eduard Shishkin <edward6@linux.ibm.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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The i40iw_arp_table() function can return -EOVERFLOW if
i40iw_alloc_resource() fails so we can't just test for "== -1".
Fixes: 4e9042e647ff ("i40iw: add hw and utils files")
Link: https://lore.kernel.org/r/20200422092211.GA195357@mwanda
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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When serial console has been assigned to ttyPS1 (which is serial1 alias)
console index is not updated property and pointing to index -1 (statically
initialized) which ends up in situation where nothing has been printed on
the port.
The commit 18cc7ac8a28e ("Revert "serial: uartps: Register own uart console
and driver structures"") didn't contain this line which was removed by
accident.
Fixes: 18cc7ac8a28e ("Revert "serial: uartps: Register own uart console and driver structures"")
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/ed3111533ef5bd342ee5ec504812240b870f0853.1588602446.git.michal.simek@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These structures can get embedded in other structures in user-space
and cause all sorts of warnings and problems. So, we better don't take
any chances and keep the zero-length arrays in place for now.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
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Commit f458d039db7e ("kvm: ioapic: Lazy update IOAPIC EOI") introduces
the following infinite loop:
BUG: stack guard page was hit at 000000008f595917 \
(stack is 00000000bdefe5a4..00000000ae2b06f5)
kernel stack overflow (double-fault): 0000 [#1] SMP NOPTI
RIP: 0010:kvm_set_irq+0x51/0x160 [kvm]
Call Trace:
irqfd_resampler_ack+0x32/0x90 [kvm]
kvm_notify_acked_irq+0x62/0xd0 [kvm]
kvm_ioapic_update_eoi_one.isra.0+0x30/0x120 [kvm]
ioapic_set_irq+0x20e/0x240 [kvm]
kvm_ioapic_set_irq+0x5c/0x80 [kvm]
kvm_set_irq+0xbb/0x160 [kvm]
? kvm_hv_set_sint+0x20/0x20 [kvm]
irqfd_resampler_ack+0x32/0x90 [kvm]
kvm_notify_acked_irq+0x62/0xd0 [kvm]
kvm_ioapic_update_eoi_one.isra.0+0x30/0x120 [kvm]
ioapic_set_irq+0x20e/0x240 [kvm]
kvm_ioapic_set_irq+0x5c/0x80 [kvm]
kvm_set_irq+0xbb/0x160 [kvm]
? kvm_hv_set_sint+0x20/0x20 [kvm]
....
The re-entrancy happens because the irq state is the OR of
the interrupt state and the resamplefd state. That is, we don't
want to show the state as 0 until we've had a chance to set the
resamplefd. But if the interrupt has _not_ gone low then
ioapic_set_irq is invoked again, causing an infinite loop.
This can only happen for a level-triggered interrupt, otherwise
irqfd_inject would immediately set the KVM_USERSPACE_IRQ_SOURCE_ID high
and then low. Fortunately, in the case of level-triggered interrupts the VMEXIT already happens because
TMR is set. Thus, fix the bug by restricting the lazy invocation
of the ack notifier to edge-triggered interrupts, the only ones that
need it.
Tested-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Reported-by: borisvk@bstnet.org
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Link: https://www.spinics.net/lists/kvm/msg213512.html
Fixes: f458d039db7e ("kvm: ioapic: Lazy update IOAPIC EOI")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=207489
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add support for Dell Wireless 5816e to drivers/usb/serial/qcserial.c
Signed-off-by: Matt Jolly <Kangie@footclan.ninja>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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Current logic incorrectly uses the enum ioapic_irq_destination_types
to check the posted interrupt destination types. However, the value was
set using APIC_DM_XXX macros, which are left-shifted by 8 bits.
Fixes by using the APIC_DM_FIXED and APIC_DM_LOWEST instead.
Fixes: (fdcf75621375 'KVM: x86: Disable posted interrupts for non-standard IRQs delivery modes')
Cc: Alexander Graf <graf@amazon.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Message-Id: <1586239989-58305-1-git-send-email-suravee.suthikulpanit@amd.com>
Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Tested-by: Maxim Levitsky <mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Due to a bug-report that was compiler-dependent, I updated one of my
machines to gcc-10. That shows a lot of new warnings. Happily they
seem to be mostly the valid kind, but it's going to cause a round of
churn for getting rid of them..
This is the really low-hanging fruit of removing a couple of zero-sized
arrays in some core code. We have had a round of these patches before,
and we'll have many more coming, and there is nothing special about
these except that they were particularly trivial, and triggered more
warnings than most.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm fixes for Linux 5.7, take #2
- Fix compilation with Clang
- Correctly initialize GICv4.1 in the absence of a virtual ITS
- Move SP_EL0 save/restore to the guest entry/exit code
- Handle PC wrap around on 32bit guests, and narrow all 32bit
registers on userspace access
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/arm fixes for Linux 5.7, take #1
- Prevent the userspace API from interacting directly with the HW
stage of the virtual GIC
- Fix a couple of vGIC memory leaks
- Tighten the rules around the use of the 32bit PSCI functions
for 64bit guest, as well as the opposite situation (matches the
specification)
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The corresponding code was added for VMX in commit 42dbaa5a057
("KVM: x86: Virtualize debug registers, 2008-12-15) but never for AMD.
Fix this.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Use BUG() in the impossible-to-hit default case when switching on the
scope of INVEPT to squash a warning with clang 11 due to clang treating
the BUG_ON() as conditional.
>> arch/x86/kvm/vmx/nested.c:5246:3: warning: variable 'roots_to_free'
is used uninitialized whenever 'if' condition is false
[-Wsometimes-uninitialized]
BUG_ON(1);
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: ce8fe7b77bd8 ("KVM: nVMX: Free only the affected contexts when emulating INVEPT")
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Message-Id: <20200504153506.28898-1-sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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cachefiles_read_or_alloc_pages()
The patch which changed cachefiles from calling ->bmap() to using the
bmap() wrapper overwrote the running return value with the result of
calling bmap(). This causes an assertion failure elsewhere in the code.
Fix this by using ret2 rather than ret to hold the return value.
The oops looks like:
kernel BUG at fs/nfs/fscache.c:468!
...
RIP: 0010:__nfs_readpages_from_fscache+0x18b/0x190 [nfs]
...
Call Trace:
nfs_readpages+0xbf/0x1c0 [nfs]
? __alloc_pages_nodemask+0x16c/0x320
read_pages+0x67/0x1a0
__do_page_cache_readahead+0x1cf/0x1f0
ondemand_readahead+0x172/0x2b0
page_cache_async_readahead+0xaa/0xe0
generic_file_buffered_read+0x852/0xd50
? mem_cgroup_commit_charge+0x6e/0x140
? nfs4_have_delegation+0x19/0x30 [nfsv4]
generic_file_read_iter+0x100/0x140
? nfs_revalidate_mapping+0x176/0x2b0 [nfs]
nfs_file_read+0x6d/0xc0 [nfs]
new_sync_read+0x11a/0x1c0
__vfs_read+0x29/0x40
vfs_read+0x8e/0x140
ksys_read+0x61/0xd0
__x64_sys_read+0x1a/0x20
do_syscall_64+0x60/0x1e0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f5d148267e0
Fixes: 10d83e11a582 ("cachefiles: drop direct usage of ->bmap method.")
Reported-by: David Wysochanski <dwysocha@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: David Wysochanski <dwysocha@redhat.com>
cc: Carlos Maiolino <cmaiolino@redhat.com>
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The prepare_to_wait() and finish_wait() calls in io_uring_cancel_files()
are mismatched. Currently I don't see any issues related this bug, just
find it by learning codes.
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Older compilers warn about initializers with incorrect curly
braces:
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c: In function 'sun6i_dsi_encoder_enable':
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:720:8: error: missing braces around initializer [-Werror=missing-braces]
union phy_configure_opts opts = { 0 };
^
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:720:8: error: (near initialization for 'opts.mipi_dphy') [-Werror=missing-braces]
Use the GNU empty initializer extension to avoid this.
Fixes: bb3b6fcb6849 ("sun6i: dsi: Convert to generic phy handling")
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200428215105.3928459-1-arnd@arndb.de
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As of v5.7-rc2, Linux now prints the following message at boot:
[ 33.848525] platform sound_spdif: deferred probe pending
This is because sound_spdif is waiting on its CPU DAI &spdif to probe,
but &spdif is disabled in the device tree.
Exposure of the SPDIF pin is board-specific functionality, so the sound
card and codec DAI belong in the individual board DTS, not the SoC DTSI.
In fact, no in-tree A64 board DTS enables &spdif, so let's remove the
card and DAI entirely.
This reverts commit 78e071370a86473f25923e03b51cbbadacf8be0f.
Acked-by: Clément Péron <peron.clem@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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An older version of the analog codec binding referenced the headphone
amplifier binding as "hpvcc". However, by the time it was merged in
commit 21dd30200e3d ("ASoC: dt-bindings: sun50i-codec-analog: Add
headphone amp regulator supply"), the regulator reference was renamed to
"cpvdd". This board's device tree still uses the old name, which fails
to work at runtime, and which causes a warning from `make dtbs_check`.
Resolve both by fixing the name.
Fixes: 674ef1d0a7b2 ("arm64: dts: allwinner: a64: add support for PineTab")
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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so that the driver can load by matching the device tree
if compiled as module.
Cc: stable@vger.kernel.org # v5.3+
Fixes: 90b86fcc47b4 ("DRM: Add KMS driver for the Ingenic JZ47xx SoCs")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1694a29b7a3449b6b662cec33d1b33f2ee0b174a.1588574111.git.hns@goldelico.com
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By directly using kfree() in different places we risk missing one if
it is switched to using vfree(), especially if the corresponding
vmalloc() is hidden away within a common abstraction.
Oh wait, that's exactly what happened here.
So let's fix this by creating a common abstraction for the free case
as well.
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Reported-by: syzbot+0bfda3ade1ee9288a1be@syzkaller.appspotmail.com
Fixes: 9a98e7a80f95 ("vt: don't use kmalloc() for the unicode screen buffer")
Cc: <stable@vger.kernel.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://lore.kernel.org/r/nycvar.YSQ.7.76.2005021043110.2671@knanqh.ubzr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reverts commit 580d952e44de5509c69c8f9346180ecaa78ebeec ("tty:
serial: bcm63xx: fix missing clk_put() in bcm63xx_uart") because we
should not be doing a clk_put() if we were not successful in getting a
valid clock reference via clk_get() in the first place.
Fixes: 580d952e44de ("tty: serial: bcm63xx: fix missing clk_put() in bcm63xx_uart")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200501013904.1394-1-f.fainelli@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add a HID_QUIRK_NO_INIT_REPORTS quirk for the Dell K12A keyboard-dock,
which can be used with various Dell Venue 11 models.
Without this quirk the keyboard/touchpad combo works fine when connected
at boot, but when hotplugged 9 out of 10 times it will not work properly.
Adding the quirk fixes this.
Cc: Mario Limonciello <mario.limonciello@dell.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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If 3D is enabled, but userspace requests a dumb buffer, we will
call CTX_ATTACH_RESOURCE before actually creating the context.
Fixes: 72b48ae800da ("drm/virtio: enqueue virtio_gpu_create_context after the first 3D ioctl")
Signed-off-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200501185557.740-1-gurchetansingh@chromium.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This is another TRX40 based motherboard with ALC1220-VB USB-audio
that requires a static mapping table.
This motherboard also has a PCI device which advertises no codecs. The
PCI ID is 1022:1487 and PCI SSID is 1022:d102. As this is using the AMD
vendor ID, don't blacklist for now in case other boards have a working
audio device with the same ssid.
alsa-info.sh report for this board:
http://alsa-project.org/db/?f=0a742f89066527497b77ce16bca486daccf8a70c
Signed-off-by: Andrew Oakley <andrew@adoakley.name>
Link: https://lore.kernel.org/r/20200503141639.35519-1-andrew@adoakley.name
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A call of the function macb_init() can fail in the function
fu540_c000_init. The related system resources were not released
then. use devm_platform_ioremap_resource() to replace ioremap()
to fix it.
Fixes: c218ad559020ff9 ("macb: Add support for SiFive FU540-C000")
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Yash Shah <yash.shah@sifive.com>
Suggested-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for Dell Wireless 5816e to drivers/net/usb/qmi_wwan.c
Signed-off-by: Matt Jolly <Kangie@footclan.ninja>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Do not assume the attribute has the right size.
Fixes: aea5f654e6b7 ("net/sched: add skbprio scheduler")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 317d9313925c ("ALSA: hda/realtek - Set default power save node to
0") makes the ALC225 have pop noise on S3 resume and cold boot.
The previous fix enable power save node universally for ALC225, however
it makes some ALC225 systems unable to produce any sound.
So let's only enable power save node for the affected Dell Wyse
platform.
Fixes: 317d9313925c ("ALSA: hda/realtek - Set default power save node to 0")
BugLink: https://bugs.launchpad.net/bugs/1866357
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200503152449.22761-2-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This reverts commit 3b36b13d5e69d6f51ff1c55d1b404a74646c9757.
Enable power save node breaks some systems with ACL225. Revert the patch
and use a platform specific quirk for the original issue isntead.
Fixes: 3b36b13d5e69 ("ALSA: hda/realtek: Fix pop noise on ALC225")
BugLink: https://bugs.launchpad.net/bugs/1875916
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200503152449.22761-1-kai.heng.feng@canonical.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull more btrfs fixes from David Sterba:
"A few more stability fixes, minor build warning fixes and git url
fixup:
- fix partial loss of prealloc extent past i_size after fsync
- fix potential deadlock due to wrong transaction handle passing via
journal_info
- fix gcc 4.8 struct intialization warning
- update git URL in MAINTAINERS entry"
* tag 'for-5.7-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
MAINTAINERS: btrfs: fix git repo URL
btrfs: fix gcc-4.8 build warning for struct initializer
btrfs: transaction: Avoid deadlock due to bad initialization timing of fs_info::journal_info
btrfs: fix partial loss of prealloc extent past i_size after fsync
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- Fix a memory leak when dev_iommu gets freed and a sub-pointer does
not
- Build dependency fixes for Mediatek, spapr_tce, and Intel IOMMU
driver
- Export iommu_group_get_for_dev() only for GPLed modules
- Fix AMD IOMMU interrupt remapping when x2apic is enabled
- Fix error path in the QCOM IOMMU driver probe function
* tag 'iommu-fixes-v5.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/qcom: Fix local_base status check
iommu: Properly export iommu_group_get_for_dev()
iommu/vt-d: Use right Kconfig option name
iommu/amd: Fix legacy interrupt remapping for x2APIC-enabled system
iommu: spapr_tce: Disable compile testing to fix build on book3s_32 config
iommu/mediatek: Fix MTK_IOMMU dependencies
iommu: Fix the memory leak in dev_iommu_free()
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The git repo listed for btrfs hasn't been updated in over a year.
List the current one instead.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Fix the following warnings seen with !CONFIG_MODULES:
arch/x86/kernel/unwind_orc.c:29:26: warning: 'cur_orc_table' defined but not used [-Wunused-variable]
29 | static struct orc_entry *cur_orc_table = __start_orc_unwind;
| ^~~~~~~~~~~~~
arch/x86/kernel/unwind_orc.c:28:13: warning: 'cur_orc_ip_table' defined but not used [-Wunused-variable]
28 | static int *cur_orc_ip_table = __start_orc_unwind_ip;
| ^~~~~~~~~~~~~~~~
Fixes: 153eb2223c79 ("x86/unwind/orc: Convert global variables to static")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20200428071640.psn5m7eh3zt2in4v@treble
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format
The snd-firewire-lib.ko has 'amdtp-packet' event of tracepoints. Current
printk format for the event includes 'sizeof(u8)' macro expected to be
extended in compilation time. However, this is not done. As a result,
perf tools cannot parse the event for printing:
$ mount -l -t debugfs
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
$ cat /sys/kernel/debug/tracing/events/snd_firewire_lib/amdtp_packet/format
...
print fmt: "%02u %04u %04x %04x %02d %03u %02u %03u %02u %01u %02u %s",
REC->second, REC->cycle, REC->src, REC->dest, REC->channel,
REC->payload_quadlets, REC->data_blocks, REC->data_block_counter,
REC->packet_index, REC->irq, REC->index,
__print_array(__get_dynamic_array(cip_header),
__get_dynamic_array_len(cip_header),
sizeof(u8))
$ sudo perf record -e snd_firewire_lib:amdtp_packet
[snd_firewire_lib:amdtp_packet] function sizeof not defined
Error: expected type 5 but read 0
This commit fixes it by obsoleting the macro with actual size.
Cc: <stable@vger.kernel.org>
Fixes: bde2bbdb307a ("ALSA: firewire-lib: use dynamic array for CIP header of tracing events")
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20200503045718.86337-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
- prevent the intel_pstate driver from printing excessive diagnostic
messages in some cases (Chris Wilson)
- make the hibernation restore kernel freeze kernel threads as well as
user space tasks (Dexuan Cui)
- fix the ACPI device PM disagnostic messages to include the correct
power state name (Kai-Heng Feng).
* tag 'pm-5.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: ACPI: Output correct message on target power state
PM: hibernate: Freeze kernel threads in software_resume()
cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once
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* pm-cpufreq:
cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once
* pm-sleep:
PM: hibernate: Freeze kernel threads in software_resume()
|
