| Age | Commit message (Collapse) | Author |
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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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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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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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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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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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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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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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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()
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"Core:
- Documentation typo fixes
- fix the channel indexes
- dmatest: fixes for process hang and iterations
Drivers:
- hisilicon: build error fix without PCI_MSI
- ti-k3: deadlock fix
- uniphier-xdmac: fix for reg region
- pch: fix data race
- tegra: fix clock state"
* tag 'dmaengine-fix-5.7-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: dmatest: Fix process hang when reading 'wait' parameter
dmaengine: dmatest: Fix iteration non-stop logic
dmaengine: tegra-apb: Ensure that clock is enabled during of DMA synchronization
dmaengine: fix channel index enumeration
dmaengine: mmp_tdma: Reset channel error on release
dmaengine: mmp_tdma: Do not ignore slave config validation errors
dmaengine: pch_dma.c: Avoid data race between probe and irq handler
dt-bindings: dma: uniphier-xdmac: switch to single reg region
include/linux/dmaengine: Typos fixes in API documentation
dmaengine: xilinx_dma: Add missing check for empty list
dmaengine: ti: k3-psil: fix deadlock on error path
dmaengine: hisilicon: Fix build error without PCI_MSI
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Ning Bo reported an abnormal 2-second gap when booting Kata container [1].
The unconditional timeout was caused by VSOCK_DEFAULT_CONNECT_TIMEOUT of
connecting from the client side. The vhost vsock client tries to connect
an initializing virtio vsock server.
The abnormal flow looks like:
host-userspace vhost vsock guest vsock
============== =========== ============
connect() --------> vhost_transport_send_pkt_work() initializing
| vq->private_data==NULL
| will not be queued
V
schedule_timeout(2s)
vhost_vsock_start() <--------- device ready
set vq->private_data
wait for 2s and failed
connect() again vq->private_data!=NULL recv connecting pkt
Details:
1. Host userspace sends a connect pkt, at that time, guest vsock is under
initializing, hence the vhost_vsock_start has not been called. So
vq->private_data==NULL, and the pkt is not been queued to send to guest
2. Then it sleeps for 2s
3. After guest vsock finishes initializing, vq->private_data is set
4. When host userspace wakes up after 2s, send connecting pkt again,
everything is fine.
As suggested by Stefano Garzarella, this fixes it by additional kicking the
send_pkt worker in vhost_vsock_start once the virtio device is started. This
makes the pending pkt sent again.
After this patch, kata-runtime (with vsock enabled) boot time is reduced
from 3s to 1s on a ThunderX2 arm64 server.
[1] https://github.com/kata-containers/runtime/issues/1917
Reported-by: Ning Bo <n.b@live.com>
Suggested-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Jia He <justin.he@arm.com>
Link: https://lore.kernel.org/r/20200501043840.186557-1-justin.he@arm.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
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A userspace process holding a file descriptor to a virtio_blk device can
still invoke block_device_operations after hot unplug. This leads to a
use-after-free accessing vblk->vdev in virtblk_getgeo() when
ioctl(HDIO_GETGEO) is invoked:
BUG: unable to handle kernel NULL pointer dereference at 0000000000000090
IP: [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio]
PGD 800000003a92f067 PUD 3a930067 PMD 0
Oops: 0000 [#1] SMP
CPU: 0 PID: 1310 Comm: hdio-getgeo Tainted: G OE ------------ 3.10.0-1062.el7.x86_64 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
task: ffff9be5fbfb8000 ti: ffff9be5fa890000 task.ti: ffff9be5fa890000
RIP: 0010:[<ffffffffc00e5450>] [<ffffffffc00e5450>] virtio_check_driver_offered_feature+0x10/0x90 [virtio]
RSP: 0018:ffff9be5fa893dc8 EFLAGS: 00010246
RAX: ffff9be5fc3f3400 RBX: ffff9be5fa893e30 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff9be5fbc10b40
RBP: ffff9be5fa893dc8 R08: 0000000000000301 R09: 0000000000000301
R10: 0000000000000000 R11: 0000000000000000 R12: ffff9be5fdc24680
R13: ffff9be5fbc10b40 R14: ffff9be5fbc10480 R15: 0000000000000000
FS: 00007f1bfb968740(0000) GS:ffff9be5ffc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000090 CR3: 000000003a894000 CR4: 0000000000360ff0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffffc016ac37>] virtblk_getgeo+0x47/0x110 [virtio_blk]
[<ffffffff8d3f200d>] ? handle_mm_fault+0x39d/0x9b0
[<ffffffff8d561265>] blkdev_ioctl+0x1f5/0xa20
[<ffffffff8d488771>] block_ioctl+0x41/0x50
[<ffffffff8d45d9e0>] do_vfs_ioctl+0x3a0/0x5a0
[<ffffffff8d45dc81>] SyS_ioctl+0xa1/0xc0
A related problem is that virtblk_remove() leaks the vd_index_ida index
when something still holds a reference to vblk->disk during hot unplug.
This causes virtio-blk device names to be lost (vda, vdb, etc).
Fix these issues by protecting vblk->vdev with a mutex and reference
counting vblk so the vd_index_ida index can be removed in all cases.
Fixes: 48e4043d4529 ("virtio: add virtio disk geometry feature")
Reported-by: Lance Digby <ldigby@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Link: https://lore.kernel.org/r/20200430140442.171016-1-stefanha@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
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Pull VFIO fixes from Alex Williamson:
- copy_*_user validity check for new vfio_dma_rw interface (Yan Zhao)
- Fix a potential math overflow (Yan Zhao)
- Use follow_pfn() for calculating PFNMAPs (Sean Christopherson)
* tag 'vfio-v5.7-rc4' of git://github.com/awilliam/linux-vfio:
vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn()
vfio: avoid possible overflow in vfio_iommu_type1_pin_pages
vfio: checking of validity of user vaddr in vfio_dma_rw
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In drivers/net/gtp.c, gtp_genl_dump_pdp() should set NLM_F_MULTI
flag since it returns multipart message.
This patch adds a new arg "flags" in gtp_genl_fill_info() so that
flags can be set by the callers.
Signed-off-by: Yoshiyuki Kurauchi <ahochauwaaaaa@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sparse reports a warning at service_ofldq()
warning: context imbalance in service_ofldq() - unexpected unlock
The root cause is the missing annotation at service_ofldq()
Add the missing __must_hold(&q->sendq.lock) annotation
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit d1cbfd771ce8 ("ptp_clock: Allow for it to be optional") changed
all PTP-capable Ethernet drivers from `select PTP_1588_CLOCK` to `imply
PTP_1588_CLOCK`, "in order to break the hard dependency between the PTP
clock subsystem and ethernet drivers capable of being clock providers."
As a result it is possible to build PTP-capable Ethernet drivers without
the PTP subsystem by deselecting PTP_1588_CLOCK. Drivers are required to
handle the missing dependency gracefully.
Some PTP-capable Ethernet drivers (e.g., TI_CPSW) factor their PTP code
out into separate drivers (e.g., TI_CPTS_MOD). The above commit also
changed these PTP-specific drivers to `imply PTP_1588_CLOCK`, making it
possible to build them without the PTP subsystem. But as Grygorii
Strashko noted in [1]:
On Wed, Apr 22, 2020 at 02:16:11PM +0300, Grygorii Strashko wrote:
> Another question is that CPTS completely nonfunctional in this case and
> it was never expected that somebody will even try to use/run such
> configuration (except for random build purposes).
In my view, enabling a PTP-specific driver without the PTP subsystem is
a configuration error made possible by the above commit. Kconfig should
not allow users to create a configuration with missing dependencies that
results in "completely nonfunctional" drivers.
I audited all network drivers that call ptp_clock_register() but merely
`imply PTP_1588_CLOCK` and found five PTP-specific drivers that are
likely nonfunctional without PTP_1588_CLOCK:
NET_DSA_MV88E6XXX_PTP
NET_DSA_SJA1105_PTP
MACB_USE_HWSTAMP
CAVIUM_PTP
TI_CPTS_MOD
Note how these symbols all reference PTP or timestamping in their name;
this is a clue that they depend on PTP_1588_CLOCK.
Change them from `imply PTP_1588_CLOCK` [2] to `depends on PTP_1588_CLOCK`.
I'm not using `select PTP_1588_CLOCK` here because PTP_1588_CLOCK has
its own dependencies, which `select` would not transitively apply.
Additionally, remove the `select NET_PTP_CLASSIFY` from CPTS_TI_MOD;
PTP_1588_CLOCK already selects that.
[1]: https://lore.kernel.org/lkml/c04458ed-29ee-1797-3a11-7f3f560553e6@ti.com/
[2]: NET_DSA_SJA1105_PTP had never declared any type of dependency on
PTP_1588_CLOCK (`imply` or otherwise); adding a `depends on PTP_1588_CLOCK`
here seems appropriate.
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Fixes: d1cbfd771ce8 ("ptp_clock: Allow for it to be optional")
Signed-off-by: Clay McClure <clay@daemons.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
netvsc_start_xmit is used as a callback function for the ndo_start_xmit
function pointer. ndo_start_xmit's return type is netdev_tx_t but
netvsc_start_xmit's return type is int.
This causes a failure with Control Flow Integrity (CFI), which requires
function pointer prototypes and callback function definitions to match
exactly. When CFI is in enforcing, the kernel panics. When booting a
CFI kernel with WSL 2, the VM is immediately terminated because of this.
The splat when CONFIG_CFI_PERMISSIVE is used:
[ 5.916765] CFI failure (target: netvsc_start_xmit+0x0/0x10):
[ 5.916771] WARNING: CPU: 8 PID: 0 at kernel/cfi.c:29 __cfi_check_fail+0x2e/0x40
[ 5.916772] Modules linked in:
[ 5.916774] CPU: 8 PID: 0 Comm: swapper/8 Not tainted 5.7.0-rc3-next-20200424-microsoft-cbl-00001-ged4eb37d2c69-dirty #1
[ 5.916776] RIP: 0010:__cfi_check_fail+0x2e/0x40
[ 5.916777] Code: 48 c7 c7 70 98 63 a9 48 c7 c6 11 db 47 a9 e8 69 55 59 00 85 c0 75 02 5b c3 48 c7 c7 73 c6 43 a9 48 89 de 31 c0 e8 12 2d f0 ff <0f> 0b 5b c3 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 00 85 f6 74 25
[ 5.916778] RSP: 0018:ffffa803c0260b78 EFLAGS: 00010246
[ 5.916779] RAX: 712a1af25779e900 RBX: ffffffffa8cf7950 RCX: ffffffffa962cf08
[ 5.916779] RDX: ffffffffa9c36b60 RSI: 0000000000000082 RDI: ffffffffa9c36b5c
[ 5.916780] RBP: ffff8ffc4779c2c0 R08: 0000000000000001 R09: ffffffffa9c3c300
[ 5.916781] R10: 0000000000000151 R11: ffffffffa9c36b60 R12: ffff8ffe39084000
[ 5.916782] R13: ffffffffa8cf7950 R14: ffffffffa8d12cb0 R15: ffff8ffe39320140
[ 5.916784] FS: 0000000000000000(0000) GS:ffff8ffe3bc00000(0000) knlGS:0000000000000000
[ 5.916785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5.916786] CR2: 00007ffef5749408 CR3: 00000002f4f5e000 CR4: 0000000000340ea0
[ 5.916787] Call Trace:
[ 5.916788] <IRQ>
[ 5.916790] __cfi_check+0x3ab58/0x450e0
[ 5.916793] ? dev_hard_start_xmit+0x11f/0x160
[ 5.916795] ? sch_direct_xmit+0xf2/0x230
[ 5.916796] ? __dev_queue_xmit.llvm.11471227737707190958+0x69d/0x8e0
[ 5.916797] ? neigh_resolve_output+0xdf/0x220
[ 5.916799] ? neigh_connected_output.cfi_jt+0x8/0x8
[ 5.916801] ? ip6_finish_output2+0x398/0x4c0
[ 5.916803] ? nf_nat_ipv6_out+0x10/0xa0
[ 5.916804] ? nf_hook_slow+0x84/0x100
[ 5.916807] ? ip6_input_finish+0x8/0x8
[ 5.916807] ? ip6_output+0x6f/0x110
[ 5.916808] ? __ip6_local_out.cfi_jt+0x8/0x8
[ 5.916810] ? mld_sendpack+0x28e/0x330
[ 5.916811] ? ip_rt_bug+0x8/0x8
[ 5.916813] ? mld_ifc_timer_expire+0x2db/0x400
[ 5.916814] ? neigh_proxy_process+0x8/0x8
[ 5.916816] ? call_timer_fn+0x3d/0xd0
[ 5.916817] ? __run_timers+0x2a9/0x300
[ 5.916819] ? rcu_core_si+0x8/0x8
[ 5.916820] ? run_timer_softirq+0x14/0x30
[ 5.916821] ? __do_softirq+0x154/0x262
[ 5.916822] ? native_x2apic_icr_write+0x8/0x8
[ 5.916824] ? irq_exit+0xba/0xc0
[ 5.916825] ? hv_stimer0_vector_handler+0x99/0xe0
[ 5.916826] ? hv_stimer0_callback_vector+0xf/0x20
[ 5.916826] </IRQ>
[ 5.916828] ? hv_stimer_global_cleanup.cfi_jt+0x8/0x8
[ 5.916829] ? raw_setsockopt+0x8/0x8
[ 5.916830] ? default_idle+0xe/0x10
[ 5.916832] ? do_idle.llvm.10446269078108580492+0xb7/0x130
[ 5.916833] ? raw_setsockopt+0x8/0x8
[ 5.916833] ? cpu_startup_entry+0x15/0x20
[ 5.916835] ? cpu_hotplug_enable.cfi_jt+0x8/0x8
[ 5.916836] ? start_secondary+0x188/0x190
[ 5.916837] ? secondary_startup_64+0xa5/0xb0
[ 5.916838] ---[ end trace f2683fa869597ba5 ]---
Avoid this by using the right return type for netvsc_start_xmit.
Fixes: fceaf24a943d8 ("Staging: hv: add the Hyper-V virtual network driver")
Link: https://github.com/ClangBuiltLinux/linux/issues/1009
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The WoL feature should be disabled when config_init is called and the
feature should turned on or off when set_wol is called.
In addition updated the calls to modify the registers to use the set_bit
and clear_bit function calls.
Fixes: 6d749428788b ("net: phy: DP83TC811: Introduce support for the
DP83TC811 phy")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The WoL feature should be disabled when config_init is called and the
feature should turned on or off when set_wol is called.
In addition updated the calls to modify the registers to use the set_bit
and clear_bit function calls.
Fixes: 3b427751a9d0 ("net: phy: DP83822 initial driver submission")
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Pull block fixes from Jens Axboe:
"A few fixes for this release:
- NVMe pull request from Christoph, with a single fix for a double
free in the namespace error handling.
- Kill the bd_openers check in blk_drop_partitions(), fixing a
regression in this merge window (Christoph)"
* tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-block:
block: remove the bd_openers checks in blk_drop_partitions
nvme: prevent double free in nvme_alloc_ns() error handling
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Three driver bugfixes, and two reverts because the original patches
revealed underlying problems which the Tegra guys are now working on"
* 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: aspeed: Avoid i2c interrupt status clear race condition.
i2c: amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling
Revert "i2c: tegra: Better handle case where CPU0 is busy for a long time"
Revert "i2c: tegra: Synchronize DMA before termination"
i2c: iproc: generate stop event for slave writes
|
|
Pull drm fixes from Dave Airlie:
"Regular scheduled fixes for graphics. Nothing to extreme bunch of
amdgpu fixes, i915 and qxl fixes, along with some misc ones.
All seems to be progressing normally.
core:
- EDID off by one DTD fix
- DP mst write return code fix
dma-buf:
- fix SET_NAME ioctl uapi
- doc fixes
amdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixes
- (uapi) Add additional DCC tiling flags for navi1x
i915:
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is
valid (Chris)
- Fix IRQ postinistall fault masks (Matt)
qxl:
- use after gree fix
- fix lost kunmap
- release leak fix
virtio:
- context destruction fix"
* tag 'drm-fixes-2020-05-01' of git://anongit.freedesktop.org/drm/drm: (26 commits)
dma-buf: fix documentation build warnings
drm/qxl: qxl_release use after free
drm/qxl: lost qxl_bo_kunmap_atomic_page in qxl_image_init_helper()
drm/i915: Use proper fault mask in interrupt postinstall too
drm/amd/display: Use cursor locking to prevent flip delays
drm/amd/display: Update downspread percent to match spreadsheet for DCN2.1
drm/amd/display: Defer cursor update around VUPDATE for all ASIC
drm/amd/display: fix rn soc bb update
drm/amd/display: check if REFCLK_CNTL register is present
drm/amdgpu: bump version for invalidate L2 before SDMA IBs
drm/amdgpu: invalidate L2 before SDMA IBs (v2)
drm/amdgpu: add tiling flags from Mesa
drm/amd/powerplay: avoid using pm_en before it is initialized revised
Revert "drm/amd/powerplay: avoid using pm_en before it is initialized"
drm/qxl: qxl_release leak in qxl_hw_surface_alloc()
drm/qxl: qxl_release leak in qxl_draw_dirty_fb()
drm/virtio: only destroy created contexts
drm/dp_mst: Fix drm_dp_send_dpcd_write() return code
drm/i915/gt: Check cacheline is valid before acquiring
drm/i915/gem: Hold obj->vma.lock over for_each_ggtt_vma()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four minor fixes: three in drivers and one in the core.
The core one allows an additional state change that fixes a regression
introduced by an update to the aacraid driver in the previous merge
window"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: target/iblock: fix WRITE SAME zeroing
scsi: qla2xxx: check UNLOADING before posting async work
scsi: qla2xxx: set UNLOADING before waiting for session deletion
scsi: core: Allow the state change from SDEV_QUIESCE to SDEV_BLOCK
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The dcn20_validate_bandwidth function would have code touching the
incorrect registers emitted outside of the boundaries of the
DC_FP_START/END macros, at least on ppc64le. Work around the
problem by wrapping the whole function instead.
Signed-off-by: Daniel Kolesa <daniel@octaforge.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # 5.6.x
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|
Once should generally be enough for diagnosing what lead up to it,
repeating it over and over can be pretty annoying.
Signed-off-by: Michel Dänzer <mdaenzer@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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|
CG/PG ungate is already performed in ip_suspend_phase1. Otherwise,
the CG/PG ungate will be performed twice. That will cause gfxoff
disablement is performed twice also on runpm enter while gfxoff
enablemnt once on rump exit. That will put gfxoff into disabled
state.
Fixes: b2a7e9735ab286 ("drm/amdgpu: fix the hw hang during perform system reboot and reset")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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|
This sequence change should be safe as what did in ip_suspend_phase1
is to suspend DCE only. And this is a prerequisite for coming
redundant cg/pg ungate dropping.
Fixes: 487eca11a321ef ("drm/amdgpu: fix gfx hang during suspend with video playback (v2)")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
|
|
The function qcom_iommu_device_probe() does not perform sufficient
error checking after executing devm_ioremap_resource(), which can
result in crashes if a critical error path is encountered.
Fixes: 0ae349a0f33f ("iommu/qcom: Add qcom_iommu")
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20200418134703.1760-1-tangbin@cmss.chinamobile.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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|
In commit a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to
permit modular drivers") a bunch of iommu symbols were exported, all
with _GPL markings except iommu_group_get_for_dev(). That export should
also be _GPL like the others.
Fixes: a7ba5c3d008d ("drivers/iommu: Export core IOMMU API symbols to permit modular drivers")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Will Deacon <will@kernel.org>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: John Garry <john.garry@huawei.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20200430120120.2948448-1-gregkh@linuxfoundation.org
Signed-off-by: Joerg Roedel <jroedel@suse.de>
|
|
The CONFIG_ prefix should be added in the code.
Fixes: 046182525db61 ("iommu/vt-d: Add Kconfig option to enable/disable scalable mode")
Reported-and-tested-by: Kumar, Sanjay K <sanjay.k.kumar@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: Ashok Raj <ashok.raj@intel.com>
Link: https://lore.kernel.org/r/20200501072427.14265-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
|
|
Currently, system fails to boot because the legacy interrupt remapping
mode does not enable 128-bit IRTE (GA), which is required for x2APIC
support.
Fix by using AMD_IOMMU_GUEST_IR_LEGACY_GA mode when booting with
kernel option amd_iommu_intr=legacy instead. The initialization
logic will check GASup and automatically fallback to using
AMD_IOMMU_GUEST_IR_LEGACY if GA mode is not supported.
Fixes: 3928aa3f5775 ("iommu/amd: Detect and enable guest vAPIC support")
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/1587562202-14183-1-git-send-email-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
|
|
Under heavy load, the EOTID termination FLOWC request fails to get
enqueued to the end of the Tx ring due to lack of credits. This
results in EOTID leak.
When disabling TC-MQPRIO offload, the link is already brought down
to cleanup EOTIDs. So, flush any pending enqueued skbs that can't be
sent outside the wire, to make room for FLOWC request. Also, move the
FLOWC descriptor consumption logic closer to when the FLOWC request is
actually posted to hardware.
Fixes: 0e395b3cb1fb ("cxgb4: add FLOWC based QoS offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Unfortunately sometimes ->probe() may fail. The commit b9663b7ca6ff
("net: stmmac: Enable SERDES power up/down sequence")
messed up with error handling and thus:
[ 12.811311] ------------[ cut here ]------------
[ 12.811993] kernel BUG at net/core/dev.c:9937!
Fix this by properly crafted error path.
Fixes: b9663b7ca6ff ("net: stmmac: Enable SERDES power up/down sequence")
Cc: Voon Weifeng <weifeng.voon@intel.com>
Cc: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Vregion helpers to get min and max priority depend on the correct
ordering of vchunks in the vregion list. However, the current code
always adds new chunk to the end of the list, no matter what the
priority is. Fix this by finding the correct place in the list and put
vchunk there.
Fixes: 22a677661f56 ("mlxsw: spectrum: Introduce ACL core with simple TCAM implementation")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The commit e6a41c23df0d, while trying to fix an issue,
("net: macb: ensure interface is not suspended on at91rm9200")
introduced a refcounting regression, because in error case refcounter
must be balanced. Fix it by calling pm_runtime_put_noidle() in error case.
While here, fix the same mistake in other couple of places.
Fixes: e6a41c23df0d ("net: macb: ensure interface is not suspended on at91rm9200")
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Should an irq requested with 'devm_request_irq' be released explicitly,
it should be done by 'devm_free_irq()', not 'free_irq()'.
Fixes: 6c821bd9edc9 ("net: Add MOXA ART SoCs ethernet driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
MACsec decryption always occurs in a softirq context. Since
the FPU may not be usable in the softirq context, the call to
decrypt may be scheduled on the cryptd work queue. The cryptd
work queue does not provide ordering guarantees. Therefore,
preserving order requires masking out ASYNC implementations
of gcm(aes).
For instance, an Intel CPU with AES-NI makes available the
generic-gcm-aesni driver from the aesni_intel module to
implement gcm(aes). However, this implementation requires
the FPU, so it is not always available to use from a softirq
context, and will fallback to the cryptd work queue, which
does not preserve frame ordering. With this change, such a
system would select gcm_base(ctr(aes-aesni),ghash-generic).
While the aes-aesni implementation prefers to use the FPU, it
will fallback to the aes-asm implementation if unavailable.
By using a synchronous version of gcm(aes), the decryption
will complete before returning from crypto_aead_decrypt().
Therefore, the macsec_decrypt_done() callback will be called
before returning from macsec_decrypt(). Thus, the order of
calls to macsec_post_decrypt() for the frames is preserved.
While it's presumable that the pure AES-NI version of gcm(aes)
is more performant, the hybrid solution is capable of gigabit
speeds on modest hardware. Regardless, preserving the order
of frames is paramount for many network protocols (e.g.,
triggering TCP retries). Within the MACsec driver itself, the
replay protection is tripped by the out-of-order frames, and
can cause frames to be dropped.
This bug has been present in this code since it was added in
v4.6, however it may not have been noticed since not all CPUs
have FPU offload available. Additionally, the bug manifests
as occasional out-of-order packets that are easily
misattributed to other network phenomena.
When this code was added in v4.6, the crypto/gcm.c code did
not restrict selection of the ghash function based on the
ASYNC flag. For instance, x86 CPUs with PCLMULQDQ would
select the ghash-clmulni driver instead of ghash-generic,
which submits to the cryptd work queue if the FPU is busy.
However, this bug was was corrected in v4.8 by commit
b30bdfa86431afbafe15284a3ad5ac19b49b88e3, and was backported
all the way back to the v3.14 stable branch, so this patch
should be applicable back to the v4.6 stable branch.
Signed-off-by: Scott Dial <scott@scottdial.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
git://people.freedesktop.org/~agd5f/linux into drm-fixes
amd-drm-fixes-5.7-2020-04-29:
amdgpu:
- Fix a green screen on resume issue
- PM fixes for SR-IOV
- SDMA fix for navi
- Renoir display fixes
- Cursor and pageflip stuttering fixes
- Misc additional display fixes
UAPI:
- Add additional DCC tiling flags for navi1x
Used by: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4697
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200429212008.4306-1-alexander.deucher@amd.com
|
|
Zero the result code stored in a field of the scratch 0 register
before issuing a generic EE command. This just guarantees that
the value we read later was actually written as a result of the
command.
Also add the definitions of two more possible result codes that can
be returned when issuing flow control enable or disable commands:
INCORRECT_CHANNEL_STATE: - channel must be in started state
INCORRECT_DIRECTION - flow control is only valid for TX channels
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
An error message about limiting the number of TREs used prints the
wrong value. Fix this bug.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
In ipa_endpoint_stop(), for TX endpoints we set the number of retries
to 0. When we break out of the loop, retries being 0 means we return
EIO rather than the value of ret (which should be 0).
Fix this by using a non-zero retry count for both RX and TX
channels, and just break out of the loop after calling
gsi_channel_stop() for TX channels. This way only RX channels
will retry, and the retry count will be non-zero at the end
for TX channels (so the proper value gets returned).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
- Fix selftest refcnt leak (Xiyu)
- Fix gem vma lock (Chris)
- Fix gt's i915_request.timeline acquire by checking if cacheline is valid (Chris)
- Fix IRQ postinistall fault masks (Matt)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200430140042.GA270140@intel.com
|
|
Doing a device reset addresses an obscure FW timing issue in
the FW upgrade process.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
