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Currently when an error occurs when calling devm_gpiod_get_optional or
calling gpiod_to_irq it causes an uninitialized error return in variable
'error' to be returned. Fix this by ensuring the error variable is set
from da8xx_ohci->oc_gpio and oc_irq.
Thanks to Dan Carpenter for spotting the uninitialized error in the
gpiod_to_irq failure case.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: d193abf1c913 ("usb: ohci-da8xx: add vbus and overcurrent gpios")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20200107123901.101190-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The pullup may be already enabled before the driver is initialized. This
happens for instance on JZ4740.
It has to be disabled at init time, as we cannot guarantee that a gadget
driver will be bound to the UDC.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Suggested-by: Bin Liu <b-liu@ti.com>
Cc: stable@vger.kernel.org
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200107152625.857-3-b-liu@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When disconnected as USB B-device, suspend interrupt should come before
diconnect interrupt, because the DP/DM pins are shorter than the
VBUS/GND pins on the USB connectors. But we sometimes get a suspend
interrupt after disconnect interrupt. In that case we have devctl set to
99 with VBUS still valid and musb_pm_runtime_check_session() wrongly
thinks we have an active session. We have no other interrupts after
disconnect coming in this case at least with the omap2430 glue.
Let's fix the issue by checking the interrupt status again with
delayed work for the devctl 99 case. In the suspend after disconnect
case the devctl session bit has cleared by then and musb can idle.
For a typical USB B-device connect case we just continue with normal
interrupts.
Fixes: 467d5c980709 ("usb: musb: Implement session bit based runtime PM for musb-core")
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200107152625.857-2-b-liu@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The bit offsets for the Set Notification Enable command were
not considering the reserved bits in the middle.
Fixes: 470ce43a1a81 ("usb: typec: ucsi: Remove struct ucsi_control")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200108131347.43217-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The priv->response_length can hold the size of an response or an negative
error code, and the tpm_common_read() needs to handle both cases correctly.
Changed the type of response_length to signed and accounted for negative
value in tpm_common_read().
Cc: stable@vger.kernel.org
Fixes: d23d12484307 ("tpm: fix invalid locking in NONBLOCKING mode")
Reported-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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If skb_linearize() fails, we need to free the skb.
TSO makes skb bigger, and this bug might be the reason
Raspberry Pi 3B+ users had to disable TSO.
Fixes: 55d7de9de6c3 ("Microchip's LAN7800 family USB 2/3 to 10/100/1000 Ethernet device driver")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: RENARD Pierre-Francois <pfrenard@gmail.com>
Cc: Stefan Wahren <stefan.wahren@i2se.com>
Cc: Woojung Huh <woojung.huh@microchip.com>
Cc: Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When using fixed link we don't need the MDIO bus support.
Reported-by: Heiko Stuebner <heiko@sntech.de>
Reported-by: kernelci.org bot <bot@kernelci.org>
Fixes: d3e014ec7d5e ("net: stmmac: platform: Fix MDIO init for platforms without PHY")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Acked-by: Sriram Dash <Sriram.dash@samsung.com>
Tested-by: Patrice Chotard <patrice.chotard@st.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail> # Lamobo R1 (fixed-link + MDIO sub node for roboswitch).
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add one notifier for udev changes net device name.
Fixes: b6601323ef9e ("net: stmmac: debugfs entry name is not be changed when udev rename")
Signed-off-by: Jiping Ma <jiping.ma2@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vm_ops is now initialized in ib_uverbs_mmap() with the recent rdma mmap
API changes. Earlier it was done in rdma_umap_priv_init() which would not
be called unless a driver called rdma_user_mmap_io() in its mmap.
i40iw does not use the rdma_user_mmap_io API but sets the vma's
vm_private_data to a driver object. This now conflicts with the vm_op
rdma_umap_close as priv pointer points to the i40iw driver object instead
of the private data setup by core when rdma_user_mmap_io is called. This
leads to a crash in rdma_umap_close with a mmap put being called when it
should not have.
Remove the redundant setting of the vma private_data in i40iw as it is not
used. Also move i40iw over to use the rdma_user_mmap_io API. This gives
the extra protection of having the mappings zapped when the context is
detsroyed.
BUG: unable to handle page fault for address: 0000000100000001
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] SMP PTI
CPU: 6 PID: 9528 Comm: rping Kdump: loaded Not tainted 5.5.0-rc4+ #117
Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./Q87M-D2H, BIOS F7 01/17/2014
RIP: 0010:rdma_user_mmap_entry_put+0xa/0x30 [ib_core]
RSP: 0018:ffffb340c04c7c38 EFLAGS: 00010202
RAX: 00000000ffffffff RBX: ffff9308e7be2a00 RCX: 000000000000cec0
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000100000001
RBP: ffff9308dc7641f0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: ffffffff8d4414d8 R12: ffff93075182c780
R13: 0000000000000001 R14: ffff93075182d2a8 R15: ffff9308e2ddc840
FS: 0000000000000000(0000) GS:ffff9308fdc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000001 CR3: 00000002e0412004 CR4: 00000000001606e0
Call Trace:
rdma_umap_close+0x40/0x90 [ib_uverbs]
remove_vma+0x43/0x80
exit_mmap+0xfd/0x1b0
mmput+0x6e/0x130
do_exit+0x290/0xcc0
? get_signal+0x152/0xc40
do_group_exit+0x46/0xc0
get_signal+0x1bd/0xc40
? prepare_to_wait_event+0x97/0x190
do_signal+0x36/0x630
? remove_wait_queue+0x60/0x60
? __audit_syscall_exit+0x1d9/0x290
? rcu_read_lock_sched_held+0x52/0x90
? kfree+0x21c/0x2e0
exit_to_usermode_loop+0x4f/0xc3
do_syscall_64+0x1ed/0x270
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fae715a81fd
Code: Bad RIP value.
RSP: 002b:00007fae6e163cb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: fffffffffffffe00 RBX: 00007fae6e163d30 RCX: 00007fae715a81fd
RDX: 0000000000000010 RSI: 00007fae6e163cf0 RDI: 0000000000000003
RBP: 00000000013413a0 R08: 00007fae68000000 R09: 0000000000000017
R10: 0000000000000001 R11: 0000000000000293 R12: 00007fae680008c0
R13: 00007fae6e163cf0 R14: 00007fae717c9804 R15: 00007fae6e163ed0
CR2: 0000000100000001
---[ end trace b33d58d3a06782cb ]---
RIP: 0010:rdma_user_mmap_entry_put+0xa/0x30 [ib_core]
Fixes: b86deba977a9 ("RDMA/core: Move core content from ib_uverbs to ib_core")
Link: https://lore.kernel.org/r/20200107162223.1745-1-shiraz.saleem@intel.com
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Can expose it now that the khronos has exposed the
vlk extension.
Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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For high-res (8K) or HFR (4K120) displays, using uncompressed pixel
formats like YCbCr444 would exceed the bandwidth of HDMI 2.0, so the
"interesting" modes would be disabled, leaving only low-res or low
framerate modes.
This change lowers the pixel encoding to 4:2:2 or 4:2:0 if the max TMDS
clock is exceeded. Verified that 8K30 and 4K120 are now available and
working with a Samsung Q900R over an HDMI 2.0b link from a Radeon 5700.
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Thomas Anderson <thomasanderson@google.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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This reverts commit 51bfac71cade386966791a8db87a5912781d249f.
This causes stability issues on some raven boards. Revert
for now until a proper fix is completed.
Bug: https://gitlab.freedesktop.org/drm/amd/issues/934
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=206017
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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The commit c18647900ec8 ("iommu/dma: Relax locking in
iommu_dma_prepare_msi()") introduced a compliation warning,
drivers/iommu/dma-iommu.c: In function 'iommu_dma_prepare_msi':
drivers/iommu/dma-iommu.c:1206:27: warning: variable 'cookie' set but
not used [-Wunused-but-set-variable]
struct iommu_dma_cookie *cookie;
^~~~~~
Fixes: c18647900ec8 ("iommu/dma: Relax locking in iommu_dma_prepare_msi()")
Signed-off-by: Qian Cai <cai@lca.pw>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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If the device fails to be added to the group, make sure to unlink the
reference before returning.
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Fixes: 39ab9555c2411 ("iommu: Add sysfs bindings for struct iommu_device")
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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This adds the missing teardown step that removes the device link from
the group when the device addition fails.
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Fixes: 797a8b4d768c5 ("iommu: Handle default domain attach failure")
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Starting with commit fa212a97f3a3 ("iommu/vt-d: Probe DMA-capable ACPI
name space devices"), we now probe DMA-capable ACPI name
space devices. On Dell XPS 13 9343, which has an Intel LPSS platform
device INTL9C60 enumerated via ACPI, this change leads to the following
warning:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1 at pci_device_group+0x11a/0x130
CPU: 1 PID: 1 Comm: swapper/0 Tainted: G T 5.5.0-rc3+ #22
Hardware name: Dell Inc. XPS 13 9343/0310JH, BIOS A20 06/06/2019
RIP: 0010:pci_device_group+0x11a/0x130
Code: f0 ff ff 48 85 c0 49 89 c4 75 c4 48 8d 74 24 10 48 89 ef e8 48 ef ff ff 48 85 c0 49 89 c4 75 af e8 db f7 ff ff 49 89 c4 eb a5 <0f> 0b 49 c7 c4 ea ff ff ff eb 9a e8 96 1e c7 ff 66 0f 1f 44 00 00
RSP: 0000:ffffc0d6c0043cb0 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffffa3d1d43dd810 RCX: 0000000000000000
RDX: ffffa3d1d4fecf80 RSI: ffffa3d12943dcc0 RDI: ffffa3d1d43dd810
RBP: ffffa3d1d43dd810 R08: 0000000000000000 R09: ffffa3d1d4c04a80
R10: ffffa3d1d4c00880 R11: ffffa3d1d44ba000 R12: 0000000000000000
R13: ffffa3d1d4383b80 R14: ffffa3d1d4c090d0 R15: ffffa3d1d4324530
FS: 0000000000000000(0000) GS:ffffa3d1d6700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000000460a001 CR4: 00000000003606e0
Call Trace:
? iommu_group_get_for_dev+0x81/0x1f0
? intel_iommu_add_device+0x61/0x170
? iommu_probe_device+0x43/0xd0
? intel_iommu_init+0x1fa2/0x2235
? pci_iommu_init+0x52/0xe7
? e820__memblock_setup+0x15c/0x15c
? do_one_initcall+0xcc/0x27e
? kernel_init_freeable+0x169/0x259
? rest_init+0x95/0x95
? kernel_init+0x5/0xeb
? ret_from_fork+0x35/0x40
---[ end trace 28473e7abc25b92c ]---
DMAR: ACPI name space devices didn't probe correctly
The bug results from the fact that while we now enumerate ACPI devices,
we aren't able to handle any non-PCI device when generating the device
group. Fix the issue by implementing an Intel-specific callback that
returns `pci_device_group` only if the device is a PCI device.
Otherwise, it will return a generic device group.
Fixes: fa212a97f3a3 ("iommu/vt-d: Probe DMA-capable ACPI name space devices")
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Cc: stable@vger.kernel.org # v5.3+
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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When userspace requests a video mode parameter value that is not
supported, frame buffer device drivers should round it up to a supported
value, if possible, instead of just rejecting it. This allows
applications to quickly scan for supported video modes.
Currently this rule is not followed for the number of bits per pixel,
causing e.g. "fbset -depth N" to fail, if N is smaller than the current
number of bits per pixel.
Fix this by returning an error only if bits per pixel is too large, and
setting it to the current value otherwise.
See also Documentation/fb/framebuffer.rst, Section 2 (Programmer's View
of /dev/fb*").
Fixes: 865afb11949e5bf4 ("drm/fb-helper: reject any changes to the fbdev")
Cc: stable@vger.kernel.org
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20191230132734.4538-1-geert+renesas@glider.be
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In commit 0b8e7bbde5e7 ("drm/sun4i: tcon: Set min division of TCON0_DCLK
to 1.") it was assumed that all TCON variants support a minimum divider
of 1 if only DCLK was used.
However, the oldest generation of hardware only supports minimum divider
of 4 if only DCLK is used. If a divider of 1 was used on this old
hardware, some scrolling artifact would appear. A divider of 2 seemed
OK, but a divider of 3 had artifacts as well.
Set the minimum divider when outputing to parallel RGB based on the
hardware model, with a minimum of 4 for the oldest (A10/A10s/A13/A20)
hardware, and a minimum of 1 for the rest. A value is not set for the
TCON variants lacking channel 0.
This fixes the scrolling artifacts seen on my A13 tablet.
Fixes: 0b8e7bbde5e7 ("drm/sun4i: tcon: Set min division of TCON0_DCLK to 1.")
Cc: <stable@vger.kernel.org> # 5.4.x
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200107070113.28951-1-wens@kernel.org
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While clearing the Ports ync mode enable and master select bits
we need to clear the register completely instead of using disable masks
v3:
* Remove reg variable (Matt)
v2:
* Just write 0 to the reg (Ville)
* Rebase
Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/5
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Fixes: 51528afe7c5e ("drm/i915/display/icl: Disable transcoder port sync as part of crtc_disable() sequence")
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191228031204.10189-3-manasi.d.navare@intel.com
(cherry picked from commit a3d9382bd439e7be1858abc3d5f014dd55913448)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The workaround database now indicates we need to disable psdunit clock
gating as well.
v3:
- Rebase on top of other workarounds that have landed.
- Restrict cc:stable tag to 5.2+ since that's when ICL was first
officially supported.
Bspec: 32354
Bspec: 33450
Bspec: 33451
Suggested-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: stable@vger.kernel.org # v5.2+
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Acked-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231190713.1549533-1-matthew.d.roper@intel.com
(cherry picked from commit 1cd21a7c5679015352e8a6f46813aced51d71bb8)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Workaround database indicates we should disable clock gating of both the
vsunit and hsunit.
Bspec: 33450
Bspec: 33451
Cc: stable@kernel.vger.org
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matt Atwood <matthew.s.atwood@intel.com>
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191224012026.3157766-3-matthew.d.roper@intel.com
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit b9cf9dac3dac4c1d2a47d34f30ec53c0423cecf8)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The coarse power gating was disabled as part of commit 2248a28384fe
("drm/i915/gen8+: Add RC6 CTX corruption WA") as a prelude to recover
from the context corruption; the power gating itself has no direct
impact on the RC6 context corruption. However, that recovery scheme was
never implemented due to difficult corner cases, and so we no longer need
to keep the power gating disabled.
Fixes: 2248a28384fe ("drm/i915/gen8+: Add RC6 CTX corruption WA")
Closes: https://gitlab.freedesktop.org/drm/intel/issues/846
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Imre Deak <imre.deak@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Eero Tamminen <eero.t.tamminen@intel.com>
Cc: Jon Bloomfield <jon.bloomfield@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231122708.4025916-1-chris@chris-wilson.co.uk
(cherry picked from commit 32f408ac3e5d95781f52328a09e5409b01255841)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Only restore valid resource streamer state from the context image, i.e.
avoid restoring if we know the image is invalid.
Closes: https://gitlab.freedesktop.org/drm/intel/issues/446
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191229183153.3719869-4-chris@chris-wilson.co.uk
Cc: stable@vger.kernel.org
(cherry picked from commit ecfcd2da335816516dc27434a65899a77886d80a)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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On some laptops enabling wakeup on the GPIO interrupts used for ACPI _AEI
event handling causes spurious wakeups.
This commit adds a new honor_wakeup option, defaulting to true (our current
behavior), which can be used to disable wakeup on troublesome hardware
to avoid these spurious wakeups.
This is a workaround for an architectural problem with s2idle under Linux
where we do not have any mechanism to immediately go back to sleep after
wakeup events, other then for embedded-controller events using the standard
ACPI EC interface, for details see:
https://lore.kernel.org/linux-acpi/61450f9b-cbc6-0c09-8b3a-aff6bf9a0b3c@redhat.com/
One series of laptops which is not able to suspend without this workaround
is the HP x2 10 Cherry Trail models, this commit adds a DMI based quirk
which makes sets honor_wakeup to false on these models.
Cc: stable@vger.kernel.org
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200105160357.97154-3-hdegoede@redhat.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Turn the existing run_edge_events_on_boot_blacklist dmi_system_id table
into a generic quirk table, storing the quirks in the driver_data ptr.
This is a preparation patch for adding other types of (DMI based) quirks.
Cc: stable@vger.kernel.org
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200105160357.97154-2-hdegoede@redhat.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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RAPL MMIO support depends on the RAPL common driver. During CPU
initialization rapl_mmio_cpu_online() is called via CPU hotplug
to initialize the MMIO RAPL for the new CPU, but if that CPU is
not present in the common RAPL driver's support list, rapl_defaults
is NULL and the kernel crashes on an attempt to dereference it:
[ 4.188566] BUG: kernel NULL pointer dereference, address: 0000000000000020
...snip...
[ 4.189555] RIP: 0010:rapl_add_package+0x223/0x574
[ 4.189555] Code: b5 a0 31 c0 49 8b 4d 78 48 01 d9 48 8b 0c c1 49 89 4c c6 10 48 ff c0 48 83 f8 05 75 e7 49 83 ff 03 75 15 48 8b 05 09 bc 18 01 <8b> 70 20 41 89 b6 0c 05 00 00 85 f6 75 1a 49 81 c6 18 9
[ 4.189555] RSP: 0000:ffffb3adc00b3d90 EFLAGS: 00010246
[ 4.189555] RAX: 0000000000000000 RBX: 0000000000000098 RCX: 0000000000000000
[ 4.267161] usb 1-1: New USB device found, idVendor=2109, idProduct=2812, bcdDevice= b.e0
[ 4.189555] RDX: 0000000000001000 RSI: 0000000000000000 RDI: ffff9340caafd000
[ 4.189555] RBP: ffffb3adc00b3df8 R08: ffffffffa0246e28 R09: ffff9340caafc000
[ 4.189555] R10: 000000000000024a R11: ffffffff9ff1f6f2 R12: 00000000ffffffed
[ 4.189555] R13: ffff9340caa94800 R14: ffff9340caafc518 R15: 0000000000000003
[ 4.189555] FS: 0000000000000000(0000) GS:ffff9340ce200000(0000) knlGS:0000000000000000
[ 4.189555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.189555] CR2: 0000000000000020 CR3: 0000000302c14001 CR4: 00000000003606f0
[ 4.189555] Call Trace:
[ 4.189555] ? __switch_to_asm+0x40/0x70
[ 4.189555] rapl_mmio_cpu_online+0x47/0x64
[ 4.189555] ? rapl_mmio_write_raw+0x33/0x33
[ 4.281059] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 4.189555] cpuhp_invoke_callback+0x29f/0x66f
[ 4.189555] ? __schedule+0x46d/0x6a0
[ 4.189555] cpuhp_thread_fun+0xb9/0x11c
[ 4.189555] smpboot_thread_fn+0x17d/0x22f
[ 4.297006] usb 1-1: Product: USB2.0 Hub
[ 4.189555] ? cpu_report_death+0x43/0x43
[ 4.189555] kthread+0x137/0x13f
[ 4.189555] ? cpu_report_death+0x43/0x43
[ 4.189555] ? kthread_blkcg+0x2e/0x2e
[ 4.312951] usb 1-1: Manufacturer: VIA Labs, Inc.
[ 4.189555] ret_from_fork+0x1f/0x40
[ 4.189555] Modules linked in:
[ 4.189555] CR2: 0000000000000020
[ 4.189555] ---[ end trace 01bb812aabc791f4 ]---
To avoid that problem, check rapl_defaults NULL upfront and return an
error code if it is NULL. [Note that it does not make sense to even
try to allocate memory in that case, because it is not going to be
used anyway.]
Fixes: 555c45fe0d04 ("int340X/processor_thermal_device: add support for MMIO RAPL")
Cc: 5.3+ <stable@vger.kernel.org> # 5.3+
Signed-off-by: Harry Pan <harry.pan@intel.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Revert changes done in commit f6ec9483091f ("drm/i915: extend audio
CDCLK>=2*BCLK constraint to more platforms"). Audio drivers
communicate with i915 over HDA bus multiple times during system
boot-up and each of these transactions result in matching
get_power/put_power calls to i915, and depending on the platform,
a modeset change causing visible flicker.
GLK is the only platform with minimum CDCLK significantly lower
than BCLK, and thus for GLK setting a higher CDCLK is mandatory.
For other platforms, minimum CDCLK is close but below 2*BCLK
(e.g. on ICL, CDCLK=176.4kHz with BCLK=96kHz). Spec-wise the constraint
should be set, but in practise no communication errors have been
reported and the downside if set is the flicker observed at boot-time.
Revert to old behaviour until better mechanism to manage
probe-time clocks is available.
The full CDCLK>=2*BCLK constraint is still enforced at pipe
enable time in intel_crtc_compute_min_cdclk().
Bugzilla: https://gitlab.freedesktop.org/drm/intel/issues/913
Fixes: f6ec9483091f ("drm/i915: extend audio CDCLK>=2*BCLK constraint to more platforms")
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191231140007.31728-1-kai.vehmanen@linux.intel.com
(cherry picked from commit 1ee48a61aa57dbdbc3cd2808d8b28df40d938e44)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Be sure to initialise the uabi_instance on the virtual engine to the
special invalid value, just in case we ever peek at it from the uAPI.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 750e76b4f9f6 ("drm/i915/gt: Move the [class][inst] lookup for engines onto the GT")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v5.4+
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200106123921.2543886-1-chris@chris-wilson.co.uk
(cherry picked from commit f75fc37b5e70b75f21550410f88e2379648120e2)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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This patch writes the inverse value of Interrupt Mask Status
register into the Interrupt Enable register in
zynq_gpio_restore_context API to fix the bug.
Fixes: e11de4de28c0 ("gpio: zynq: Add support for suspend resume")
Signed-off-by: Swapna Manupati <swapna.manupati@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Link: https://lore.kernel.org/r/1577362338-28744-2-git-send-email-srinivas.neeli@xilinx.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In meson_pinconf_get_drive_strength, variable bit is calculated by
meson_calc_reg_and_bit, this value is the offset from the first pin of a
certain bank to current pin, while Meson SoCs use two bits for each pin
to depict drive-strength. So a left shift by 1 should be done or node
pinconf-pins shows wrong message.
Fixes: 6ea3e3bbef37 ("pinctrl: meson: add support of drive-strength-microamp")
Signed-off-by: Qianggui Song <qianggui.song@amlogic.com>
Link: https://lore.kernel.org/r/20191226023734.9631-1-qianggui.song@amlogic.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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In a rare randconfig build I came across one configuration that does
not enable CONFIG_GPIOLIB, which is needed by lochnagar:
ERROR: "devm_gpiochip_add_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_free" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_generic_request" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
ERROR: "gpiochip_get_data" [drivers/pinctrl/cirrus/pinctrl-lochnagar.ko] undefined!
Add another 'select' like all other pinctrl drivers have.
Fixes: 0548448b719a ("pinctrl: lochnagar: Add support for the Cirrus Logic Lochnagar")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191218163701.171914-1-arnd@arndb.de
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull cpufreq driver fix for v5.5-rc6 from Viresh Kumar:
"Blacklist Tegra20/30 for probing by cpufreq-dt driver."
* 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: dt-platdev: Blacklist NVIDIA Tegra20 and Tegra30 SoCs
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In order for the old DTBs to continue working, the new interrupt code
must not return an error if interrupts are not defined. Don't return an
error in case of -ENXIO.
Fixes: 634e11d5b450a ("drivers: thermal: tsens: Add interrupt support")
Suggested-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/cea3317c5d793db312064d68b261ad420a4a81b1.1576146898.git.amit.kucheria@linaro.org
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Whenever adding new member of rule object we attach it to 2 lists,
These 2 lists should be initialized first.
Fixes: 41d07074154c ("net/mlx5: DR, Expose steering rule functionality")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Set hairpin table size to the corret size, based on the groups that
would be created in it. Groups are laid out on the table such that a
group occupies a range of entries in the table. This implies that the
group ranges should have correspondence to the table they are laid upon.
The patch cited below made group 1's size to grow hence causing
overflow of group range laid on the table.
Fixes: a795d8db2a6d ("net/mlx5e: Support RSS for IP-in-IP and IPv6 tunneled packets")
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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No need for an atomic refcounter for the STE and hashtables.
These are internal SW steering resources and they are always
under domain mutex.
This also fixes the following refcount error:
refcount_t: addition on 0; use-after-free.
WARNING: CPU: 9 PID: 3527 at lib/refcount.c:25 refcount_warn_saturate+0x81/0xe0
Call Trace:
dr_table_init_nic+0x10d/0x110 [mlx5_core]
mlx5dr_table_create+0xb4/0x230 [mlx5_core]
mlx5_cmd_dr_create_flow_table+0x39/0x120 [mlx5_core]
__mlx5_create_flow_table+0x221/0x5f0 [mlx5_core]
esw_create_offloads_fdb_tables+0x180/0x5a0 [mlx5_core]
...
Fixes: 26d688e33f88 ("net/mlx5: DR, Add Steering entry (STE) utilities")
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Reviewed-by: Alex Vesker <valex@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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This reverts commit 7dee607ed0e04500459db53001d8e02f8831f084.
During cleanup path, FTE's parent node group is removed which is
referenced by the FTE while freeing the FTE.
Hence FTE's lockless read lookup optimization done in cited commit is
not possible at the moment.
Hence, revert the commit.
This avoid below KAZAN call trace.
[ 110.390896] BUG: KASAN: use-after-free in find_root.isra.14+0x56/0x60
[mlx5_core]
[ 110.391048] Read of size 4 at addr ffff888c19e6d220 by task
swapper/12/0
[ 110.391219] CPU: 12 PID: 0 Comm: swapper/12 Not tainted 5.5.0-rc1+
[ 110.391222] Hardware name: HP ProLiant DL380p Gen8, BIOS P70
08/02/2014
[ 110.391225] Call Trace:
[ 110.391229] <IRQ>
[ 110.391246] dump_stack+0x95/0xd5
[ 110.391307] ? find_root.isra.14+0x56/0x60 [mlx5_core]
[ 110.391320] print_address_description.constprop.5+0x20/0x320
[ 110.391379] ? find_root.isra.14+0x56/0x60 [mlx5_core]
[ 110.391435] ? find_root.isra.14+0x56/0x60 [mlx5_core]
[ 110.391441] __kasan_report+0x149/0x18c
[ 110.391499] ? find_root.isra.14+0x56/0x60 [mlx5_core]
[ 110.391504] kasan_report+0x12/0x20
[ 110.391511] __asan_report_load4_noabort+0x14/0x20
[ 110.391567] find_root.isra.14+0x56/0x60 [mlx5_core]
[ 110.391625] del_sw_fte_rcu+0x4a/0x100 [mlx5_core]
[ 110.391633] rcu_core+0x404/0x1950
[ 110.391640] ? rcu_accelerate_cbs_unlocked+0x100/0x100
[ 110.391649] ? run_rebalance_domains+0x201/0x280
[ 110.391654] rcu_core_si+0xe/0x10
[ 110.391661] __do_softirq+0x181/0x66c
[ 110.391670] irq_exit+0x12c/0x150
[ 110.391675] smp_apic_timer_interrupt+0xf0/0x370
[ 110.391681] apic_timer_interrupt+0xf/0x20
[ 110.391684] </IRQ>
[ 110.391695] RIP: 0010:cpuidle_enter_state+0xfa/0xba0
[ 110.391703] Code: 3d c3 9b b5 50 e8 56 75 6e fe 48 89 45 c8 0f 1f 44
00 00 31 ff e8 a6 94 6e fe 45 84 ff 0f 85 f6 02 00 00 fb 66 0f 1f 44 00
00 <45> 85 f6 0f 88 db 06 00 00 4d 63 fe 4b 8d 04 7f 49 8d 04 87 49 8d
[ 110.391706] RSP: 0018:ffff888c23a6fce8 EFLAGS: 00000246 ORIG_RAX:
ffffffffffffff13
[ 110.391712] RAX: dffffc0000000000 RBX: ffffe8ffff7002f8 RCX:
000000000000001f
[ 110.391715] RDX: 1ffff11184ee6cb5 RSI: 0000000040277d83 RDI:
ffff888c277365a8
[ 110.391718] RBP: ffff888c23a6fd40 R08: 0000000000000002 R09:
0000000000035280
[ 110.391721] R10: ffff888c23a6fc80 R11: ffffed11847485d0 R12:
ffffffffb1017740
[ 110.391723] R13: 0000000000000003 R14: 0000000000000003 R15:
0000000000000000
[ 110.391732] ? cpuidle_enter_state+0xea/0xba0
[ 110.391738] cpuidle_enter+0x4f/0xa0
[ 110.391747] call_cpuidle+0x6d/0xc0
[ 110.391752] do_idle+0x360/0x430
[ 110.391758] ? arch_cpu_idle_exit+0x40/0x40
[ 110.391765] ? complete+0x67/0x80
[ 110.391771] cpu_startup_entry+0x1d/0x20
[ 110.391779] start_secondary+0x2f3/0x3c0
[ 110.391784] ? set_cpu_sibling_map+0x2500/0x2500
[ 110.391795] secondary_startup_64+0xa4/0xb0
[ 110.391841] Allocated by task 290:
[ 110.391917] save_stack+0x21/0x90
[ 110.391921] __kasan_kmalloc.constprop.8+0xa7/0xd0
[ 110.391925] kasan_kmalloc+0x9/0x10
[ 110.391929] kmem_cache_alloc_trace+0xf6/0x270
[ 110.391987] create_root_ns.isra.36+0x58/0x260 [mlx5_core]
[ 110.392044] mlx5_init_fs+0x5fd/0x1ee0 [mlx5_core]
[ 110.392092] mlx5_load_one+0xc7a/0x3860 [mlx5_core]
[ 110.392139] init_one+0x6ff/0xf90 [mlx5_core]
[ 110.392145] local_pci_probe+0xde/0x190
[ 110.392150] work_for_cpu_fn+0x56/0xa0
[ 110.392153] process_one_work+0x678/0x1140
[ 110.392157] worker_thread+0x573/0xba0
[ 110.392162] kthread+0x341/0x400
[ 110.392166] ret_from_fork+0x1f/0x40
[ 110.392218] Freed by task 2742:
[ 110.392288] save_stack+0x21/0x90
[ 110.392292] __kasan_slab_free+0x137/0x190
[ 110.392296] kasan_slab_free+0xe/0x10
[ 110.392299] kfree+0x94/0x250
[ 110.392357] tree_put_node+0x257/0x360 [mlx5_core]
[ 110.392413] tree_remove_node+0x63/0xb0 [mlx5_core]
[ 110.392469] clean_tree+0x199/0x240 [mlx5_core]
[ 110.392525] mlx5_cleanup_fs+0x76/0x580 [mlx5_core]
[ 110.392572] mlx5_unload+0x22/0xc0 [mlx5_core]
[ 110.392619] mlx5_unload_one+0x99/0x260 [mlx5_core]
[ 110.392666] remove_one+0x61/0x160 [mlx5_core]
[ 110.392671] pci_device_remove+0x10b/0x2c0
[ 110.392677] device_release_driver_internal+0x1e4/0x490
[ 110.392681] device_driver_detach+0x36/0x40
[ 110.392685] unbind_store+0x147/0x200
[ 110.392688] drv_attr_store+0x6f/0xb0
[ 110.392693] sysfs_kf_write+0x127/0x1d0
[ 110.392697] kernfs_fop_write+0x296/0x420
[ 110.392702] __vfs_write+0x66/0x110
[ 110.392707] vfs_write+0x1a0/0x500
[ 110.392711] ksys_write+0x164/0x250
[ 110.392715] __x64_sys_write+0x73/0xb0
[ 110.392720] do_syscall_64+0x9f/0x3a0
[ 110.392725] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes: 7dee607ed0e0 ("net/mlx5: Support lockless FTE read lookups")
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Register devlink before interfaces are added.
This will allow interfaces to use devlink while initalizing. For example,
call mlx5_is_roce_enabled.
Fixes: aba25279c100 ("net/mlx5e: Add TX reporter support")
Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In case a reporter exists, error message is logged only to the devlink
tracer. The devlink tracer is a visibility utility only, which user can
choose not to monitor.
After cited patch, 3rd party monitoring tools that tracks these error
message will no longer find them in dmesg, causing a regression.
With this patch, error messages are also logged into the dmesg.
Fixes: c50de4af1d63 ("net/mlx5e: Generalize tx reporter's functionality")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Following scenario easily break driver logic and crash the kernel:
1. Add rule with mirred actions to same device.
2. Delete this rule.
In described scenario rule is not added to database and on deletion
driver access invalid entry.
Example:
$ tc filter add dev ens1f0_0 ingress protocol ip prio 1 \
flower skip_sw \
action mirred egress mirror dev ens1f0_1 pipe \
action mirred egress redirect dev ens1f0_1
$ tc filter del dev ens1f0_0 ingress protocol ip prio 1
Dmesg output:
[ 376.634396] mlx5_core 0000:82:00.0: mlx5_cmd_check:756:(pid 3439): DESTROY_FLOW_GROUP(0x934) op_mod(0x0) failed, status bad resource state(0x9), syndrome (0x563e2f)
[ 376.654983] mlx5_core 0000:82:00.0: del_hw_flow_group:567:(pid 3439): flow steering can't destroy fg 89 of ft 3145728
[ 376.673433] kasan: CONFIG_KASAN_INLINE enabled
[ 376.683769] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 376.695229] general protection fault: 0000 [#1] PREEMPT SMP KASAN PTI
[ 376.705069] CPU: 7 PID: 3439 Comm: tc Not tainted 5.4.0-rc5+ #76
[ 376.714959] Hardware name: Supermicro SYS-2028TP-DECTR/X10DRT-PT, BIOS 2.0a 08/12/2016
[ 376.726371] RIP: 0010:mlx5_del_flow_rules+0x105/0x960 [mlx5_core]
[ 376.735817] Code: 01 00 00 00 48 83 eb 08 e8 28 d9 ff ff 4c 39 e3 75 d8 4c 8d bd c0 02 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 84 04 00 00 48 8d 7d 28 8b 9 d
[ 376.761261] RSP: 0018:ffff888847c56db8 EFLAGS: 00010202
[ 376.770054] RAX: dffffc0000000000 RBX: ffff8888582a6da0 RCX: ffff888847c56d60
[ 376.780743] RDX: 0000000000000058 RSI: 0000000000000008 RDI: 0000000000000282
[ 376.791328] RBP: 0000000000000000 R08: fffffbfff0c60ea6 R09: fffffbfff0c60ea6
[ 376.802050] R10: fffffbfff0c60ea5 R11: ffffffff8630752f R12: ffff8888582a6da0
[ 376.812798] R13: dffffc0000000000 R14: ffff8888582a6da0 R15: 00000000000002c0
[ 376.823445] FS: 00007f675f9a8840(0000) GS:ffff88886d200000(0000) knlGS:0000000000000000
[ 376.834971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 376.844179] CR2: 00000000007d9640 CR3: 00000007d3f26003 CR4: 00000000001606e0
[ 376.854843] Call Trace:
[ 376.868542] __mlx5_eswitch_del_rule+0x49/0x300 [mlx5_core]
[ 376.877735] mlx5e_tc_del_fdb_flow+0x6ec/0x9e0 [mlx5_core]
[ 376.921549] mlx5e_flow_put+0x2b/0x50 [mlx5_core]
[ 376.929813] mlx5e_delete_flower+0x5b6/0xbd0 [mlx5_core]
[ 376.973030] tc_setup_cb_reoffload+0x29/0xc0
[ 376.980619] fl_reoffload+0x50a/0x770 [cls_flower]
[ 377.015087] tcf_block_playback_offloads+0xbd/0x250
[ 377.033400] tcf_block_setup+0x1b2/0xc60
[ 377.057247] tcf_block_offload_cmd+0x195/0x240
[ 377.098826] tcf_block_offload_unbind+0xe7/0x180
[ 377.107056] __tcf_block_put+0xe5/0x400
[ 377.114528] ingress_destroy+0x3d/0x60 [sch_ingress]
[ 377.122894] qdisc_destroy+0xf1/0x5a0
[ 377.129993] qdisc_graft+0xa3d/0xe50
[ 377.151227] tc_get_qdisc+0x48e/0xa20
[ 377.165167] rtnetlink_rcv_msg+0x35d/0x8d0
[ 377.199528] netlink_rcv_skb+0x11e/0x340
[ 377.219638] netlink_unicast+0x408/0x5b0
[ 377.239913] netlink_sendmsg+0x71b/0xb30
[ 377.267505] sock_sendmsg+0xb1/0xf0
[ 377.273801] ___sys_sendmsg+0x635/0x900
[ 377.312784] __sys_sendmsg+0xd3/0x170
[ 377.338693] do_syscall_64+0x95/0x460
[ 377.344833] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 377.352321] RIP: 0033:0x7f675e58e090
To avoid this, for every mirred action check if output device was
already processed. If so - drop rule with EOPNOTSUPP error.
Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Vlad Buslov <vladbu@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Driver fails to compile in a minimized kernel's configuration because of
the missing dependency on GPIOLIB_IRQCHIP.
error: ‘struct gpio_chip’ has no member named ‘irq’
44 | virq = irq_find_mapping(gpio->gpio_chip.irq.domain, offset);
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20200106015154.12040-1-digetx@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Pull tpmd fixes from Jarkko Sakkinen:
"There has been a bunch of reports (e.g. [*]) reporting that when
commit 5b359c7c4372 ("tpm_tis_core: Turn on the TPM before probing
IRQ's") and subsequent fixes are applied it causes boot freezes on
some machines.
Unfortunately hardware where this causes a failure is not widely
available (only one I'm aware is Lenovo T490), which means we cannot
predict yet how long it will take to properly fix tpm_tis interrupt
probing.
Thus, the least worst short term action is to revert the code to the
state before this commit. In long term we need fix the tpm_tis probing
code to work on machines that Stefan's patches were supposed to fix.
With these patches reverted nothing fatal happens, TPM is fallbacked
to be used in polling mode (which is not in the end too bad because
there are no high throughput workloads for TPM).
[*] https://bugzilla.kernel.org/show_bug.cgi?id=205935"
* tag 'tpmdd-next-20200106' of git://git.infradead.org/users/jjs/linux-tpmdd:
tpm: Revert "tpm_tis_core: Turn on the TPM before probing IRQ's"
tpm: Revert "tpm_tis_core: Set TPM_CHIP_FLAG_IRQ before probing for interrupts"
tpm: Revert "tpm_tis: reserve chip for duration of tpm_tis_core_init"
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
- fix module aliases
- fix potential build errors
- fix missing conversion of imx7ulp_wdt_enable()
- fix platform_get_irq() complaints
- fix NCT6116D support
* tag 'linux-watchdog-5.5-fixes' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: orion: fix platform_get_irq() complaints
watchdog: rn5t618_wdt: fix module aliases
watchdog: tqmx86_wdt: Fix build error
watchdog: max77620_wdt: fix potential build errors
watchdog: imx7ulp: Fix missing conversion of imx7ulp_wdt_enable()
watchdog: w83627hf_wdt: Fix support NCT6116D
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Function entries were duplicated accidentally, removing the dups.
Fixes: ea4b4d7fc106 ("net: atlantic: loopback tests via private flags")
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initial loopback configuration should be called earlier, before
starting traffic on HW blocks. Otherwise depending on race conditions
it could be kept disabled.
Fixes: ea4b4d7fc106 ("net: atlantic: loopback tests via private flags")
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Last code/checkpatch cleanup did a copy paste error where code from
firmware 3 API logic was moved to firmware 1 logic.
This resulted in FW1.x users would never see the link state as active.
Fixes: 7b0c342f1f67 ("net: atlantic: code style cleanup")
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix calling multiple tee_client_c |
