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Merge tag 'tags/drm-for-v4.12' into drm-intel-next-queued
Backmerge the main drm-next pull to sync up.
Chris also pointed out that
commit ade0b0c965
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat Apr 22 09:15:37 2017 +0100
drm/i915: Confirm the request is still active before adding it to the await
is double-applied in the git merge, so make sure we get this right.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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Merge tag 'v4.11-rc7' into drm-next
Backmerge Linux 4.11-rc7 from Linus tree, to fix some
conflicts that were causing problems with the rerere cache
in drm-tip.
Introduce a new execobject.flag (EXEC_OBJECT_CAPTURE) that userspace may
use to indicate that it wants the contents of this buffer preserved in
the error state (/sys/class/drm/cardN/error) following a GPU hang
involving this batch.
Use this at your discretion, the contents of the error state. although
compressed, are allocated with GFP_ATOMIC (i.e. limited) and kept for all
eternity (until the error state is destroyed).
Based on an earlier patch by Ben Widawsky <ben@bwidawsk.net>
Testcase: igt/gem_exec_capture
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <ben@bwidawsk.net>
Cc: Matt Turner <mattst88@gmail.com>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170415093902.22581-1-chris@chris-wilson.co.uk
Pull input fixes from Dmitry Torokhov:
"Just a small update to xpad driver to recognize yet another gamepad,
and another change making sure userio.h is exported"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - add support for Razer Wildcat gamepad
uapi: add missing install of userio.h
virtio pci rework using shared interrupts caused a lot of issues. We
tried to fix them but run out of time. Revert for now, and revisit the
issue for the next kernel.
Luckily we are able to do this without loosing automatic
interrupt NUMA affinity which was the main motivator for the
rework.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael S. Tsirkin:
"virtio oops fixes
The virtio pci rework using shared interrupts caused a lot of issues.
We tried to fix them but run out of time. Revert for now, and revisit
the issue for the next kernel.
Luckily we are able to do this without loosing automatic interrupt
NUMA affinity which was the main motivator for the rework"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio-pci: Remove affinity hint before freeing the interrupt
Revert "virtio_pci: remove struct virtio_pci_vq_info"
Revert "virtio_pci: use shared interrupts for virtqueues"
Revert "virtio_pci: don't duplicate the msix_enable flag in struct pci_dev"
Revert "virtio_pci: simplify MSI-X setup"
Revert "virtio_pci: fix out of bound access for msix_names"
MAINTAINERS: fix virtio file pattern
virtio_console: fix uninitialized variable use
virtio_net: clear MTU when out of range
virtio: allow drivers to validate features
virtio_net: enable big packets for large MTU values
When discussing a new WC mmap, we based the interface upon the
assumption that GTT was fully coherent. How naive! Commits 3b5724d702
("drm/i915: Wait for writes through the GTT to land before reading
back") and ed4596ea99 ("drm/i915/guc: WA to address the Ringbuffer
coherency issue") demonstrate that writes through the GTT are indeed
delayed and may be overtaken by direct WC access. To be safe, if
userspace is mixing WC mmaps with other potential GTT access (pwrite,
GTT mmaps) it should use set_domain(WC).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96563
Testcase: igt/gem_pwrite/small-gtt*
Testcase: igt/drv_selftest/coherency
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170412110111.26626-2-chris@chris-wilson.co.uk
Noteworthy changes this time:
1) 4k support for newer chips (ganging up hwpipes and mixers)
2) using OPP bindings for gpu
3) more prep work towards per-process pagetables
* 'msm-next' of git://people.freedesktop.org/~robclark/linux: (47 commits)
msm/drm: gpu: Dynamically locate the clocks from the device tree
drm/msm: gpu: Use OPP tables if we can
drm/msm: Hard code the GPU "slow frequency"
drm/msm: Add MSM_PARAM_GMEM_BASE
drm/msm: Reference count address spaces
drm/msm: Make sure to detach the MMU during GPU cleanup
drm/msm/mdp5: Enable 3D mux in mdp5_ctl
drm/msm/mdp5: Reset CTL blend registers before configuring them
drm/msm/mdp5: Assign 'right' mixer to CRTC state
drm/msm/mdp5: Stage border out on base stage if CRTC has 2 LMs
drm/msm/mdp5: Stage right side hwpipes on Right-side Layer Mixer
drm/msm/mdp5: Prepare Layer Mixers for source split
drm/msm/mdp5: Configure 'right' hwpipe
drm/msm/mdp5: Assign a 'right hwpipe' to plane state
drm/msm/mdp5: Create mdp5_hwpipe_mode_set
drm/msm/mdp5: Add optional 'right' Layer Mixer in CRTC state
drm/msm/mdp5: Add a CAP for Source Split
drm/msm/mdp5: Remove mixer/intf pointers from mdp5_ctl
drm/msm/mdp5: Start using parameters from CRTC state
drm/msm/mdp5: Add more stuff to CRTC state
...
Last drm-misc-next pull req for 4.12
Core changes:
- fb_helper checkpatch cleanup and simplified _add_one_connector() (Thierry)
- drm_ioctl and drm_sysfs improved/gained documentation (Daniel)
- [ABI] Repurpose reserved field in drm_event_vblank for crtc_id (Ander)
- Plumb acquire ctx through legacy paths to avoid lock_all and legacy_backoff
(Daniel)
- Add connector_atomic_check to check conn constraints on modeset (Maarten)
- Add drm_of_find_panel_or_bridge to remove boilerplate in drivers (Rob)
Driver changes:
- meson moved to drm-misc (Neil)
- Added support for Amlogic GX SoCs in dw-hdmi (Neil)
- Rockchip unbind actually cleans up the things bind initializes (Jeffy)
- A couple misc fixes in virtio, dw-hdmi
NOTE: this also includes a backmerge of drm-next as well rc5 (we needed vmwgfx
as well as the new synopsys media formats)
* tag 'drm-misc-next-2017-04-07' of git://anongit.freedesktop.org/git/drm-misc: (77 commits)
Revert "drm: Don't allow interruptions when opening debugfs/crc"
drm: Only take cursor locks when the cursor plane exists
drm/vmwgfx: Fix fbdev emulation using legacy functions
drm/rockchip: Shutdown all crtcs when unbinding drm
drm/rockchip: Reorder drm bind/unbind sequence
drm/rockchip: analogix_dp: Disable clock when unbinding
drm/rockchip: vop: Unprepare clocks when unbinding
drm/rockchip: vop: Enable pm domain before vop_initial
drm/rockchip: cdn-dp: Don't unregister audio dev when unbinding
drm/rockchip: cdn-dp: Don't try to release firmware when not loaded
drm: bridge: analogix: Destroy connector & encoder when unbinding
drm: bridge: analogix: Disable clock when unbinding
drm: bridge: analogix: Unregister dp aux when unbinding
drm: bridge: analogix: Detach panel when unbinding analogix dp
drm: Don't allow interruptions when opening debugfs/crc
drm/virtio: don't leak bo on drm_gem_object_init failure
drm: bridge: dw-hdmi: fix input format/encoding from plat_data
drm: omap: use common OF graph helpers
drm: convert drivers to use drm_of_find_panel_or_bridge
drm: convert drivers to use of_graph_get_remote_node
...
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Backmerge tag 'v4.11-rc6' into drm-next
Linux 4.11-rc6
drm-misc needs 4.11-rc5, may as well fix conflicts with rc6.
This reverts commit 53a020c661.
The cleanup seems to be one of the changes that broke
hybernation for some users. We are still not sure why
but revert helps.
Tested-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
User space needs to know where the GMEM whole starts so that they
can set up the addressing correctly.
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
Highlights:
- Cooling device support from Russell, to allow GPU throttling on system
thermal overload.
- Explicit fencing support from Philipp, implemented in a similar way to
drm/msm.
* 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux:
drm/etnaviv: submit support for out-fences
drm/etnaviv: return GPU fence through the submit structure
drm/etnaviv: submit support for in-fences
drm/etnaviv: add etnaviv cooling device
drm/etnaviv: switch to postclose
drm/etnaviv: add lockdep assert to fence allocation
With the atomic API, it is possible that a single commit affects
multiple crtcs. If the user requests an event with that commit, one
event will be sent for each CRTC, but it is not possible to distinguish
which crtc an event is for in user space. To solve this, the reserved
field in struct drm_vblank_event is repurposed to include the crtc_id
which the event is for.
The DRM_CAP_CRTC_IN_VBLANK_EVENT is added to allow userspace to query if
the crtc field will be set properly.
[daniels: Rebased, using Maarten's forward-port.]
Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Signed-off-by: Daniel Stone <daniels@collabora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170404165221.28240-2-daniels@collabora.com
In order to describe the RGB and YUV bus formats used to feed the
Synopsys DesignWare HDMI TX Controller, add missing formats to the
list of Bus Formats.
Documentation for these formats is added in a separate patch.
Reviewed-by: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1491230558-10804-3-git-send-email-narmstrong@baylibre.com
Include a mask in struct stat to indicate which bits of stx_attributes the
filesystem actually supports.
This would also be useful if we add another system call that allows you to
do a 'bulk attribute set' and pass in a statx struct with the masks
appropriately set to say what you want to set.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reserve the top bit of the mask for future expansion of the statx struct
and give an error if statx() sees it set. All the other bits are ignored
if we see them set but don't support the bit; we just clear the bit in the
returned mask.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Instead of providing an ioctl for each handle type, provide a single
handle_close ioctl, and reuse the UNREF_DMABUF ioctl.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
when MCBP supported, we will set pre_enb bit for those
IBs with PREEMPT flag tagged
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Preamble in linux doesn't mean it is CE PREAMBLE IB,
instead it means this IB could be dropped if no
ctx switch happens.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v2: Marek: allow shifts >32 in AMDGPU_TILING_SET/GET
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
NGG (Next Generation Graphics) is a new feature in GFX9.0. This
adds the relevant parameters.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add a new operation to replace mappings in a VM with a new one.
v2: Fix Jerry's comment, separate out clear operation.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
A new VM operation to remove all mappings in a range.
v2: limit unmapped area as noted by Jerry
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
v2: move the config struct to drm_amdgpu_info_device
v3: move the config feature to amdgpu_gca_config
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This includes shader/memory clocks, temperature, GPU load, etc.
v2: - add sub-queries for AMDPGU_INFO_GPU_SENSOR_*
- do not break the ABI
v3: - return -ENOENT when amdgpu_dpm == 0
- expose more sensor queries
v4: - s/GPU_POWER/GPU_AVG_POWER/
- improve VDDNB/VDDGFX query description
- fix amdgpu_dpm check
v5: - agd: fix warning
v6: - agd: bump version
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Till GFX8 we can only enable PRT support globally, but with the next hardware
generation we can do this on a per page basis.
Keep the interface consistent by adding PRT mappings and enable
support globally on current hardware when the first mapping is made.
v2: disable PRT support delayed and on all error paths
v3: PRT and other permissions are mutal exclusive,
PRT mappings don't need a BO.
v4: update PRT mappings durign CS as well, make va_flags 64bit
Signed-off-by: Junwei Zhang <Jerry.Zhang@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Based on commit 4cd0945901 ("drm/msm: submit support for out-fences").
We increment the minor driver version so userspace can detect explicit
fence support.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
v3: Changed to work with fence returned from GPU submit.
Loosely based on commit f0a42bb542 ("drm/msm: submit support for
in-fences"). Unfortunately, struct drm_etnaviv_gem_submit doesn't have
a flags field yet, so we have to extend the structure and trust that
drm_ioctl will clear the flags for us if an older userspace only submits
part of the struct.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Backmerge tag 'v4.11-rc4' into drm-next
Linux 4.11-rc4
The i915 GVT team need the rc4 code to base some more code on.
- Fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- A few other oops fixes
- The rest are all minor fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"This has been a slow -rc cycle for the RDMA subsystem. We really
haven't had a lot of rc fixes come in. This pull request is the first
of this entire rc cycle and it has all of the suitable fixes so far
and it's still only about 20 patches. The fix for the minor breakage
cause by the dma mapping patchset is in here, as well as a couple
other potential oops fixes, but the rest is more minor.
Summary:
- fix for dma_ops change in this kernel, resolving the s390, powerpc,
and IOMMU operation
- a few other oops fixes
- the rest are all minor fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/qib: fix false-postive maybe-uninitialized warning
RDMA/iser: Fix possible mr leak on device removal event
IB/device: Convert ib-comp-wq to be CPU-bound
IB/cq: Don't process more than the given budget
IB/rxe: increment msn only when completing a request
uapi: fix rdma/mlx5-abi.h userspace compilation errors
IB/core: Restore I/O MMU, s390 and powerpc support
IB/rxe: Update documentation link
RDMA/ocrdma: fix a type issue in ocrdma_put_pd_num()
IB/rxe: double free on error
RDMA/vmw_pvrdma: Activate device on ethernet link up
RDMA/vmw_pvrdma: Dont hardcode QP header page
RDMA/vmw_pvrdma: Cleanup unused variables
infiniband: Fix alignment of mmap cookies to support VIPT caching
IB/core: Protect against self-requeue of a cq work item
i40iw: Receive netdev events post INET_NOTIFIER state
While commit 5523662edd ("Input: add userio module") added userio.h
under the uapi/ directory, it forgot to add the header file to Kbuild.
Thus, the file was missing from header installation.
Signed-off-by: Naohiro Aota <naota@elisp.net>
Reviewed-by: Lyude Paul <thatslyude@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Consistently use types from linux/types.h to fix the following
rdma/mlx5-abi.h userspace compilation errors:
/usr/include/rdma/mlx5-abi.h:69:25: error: 'u64' undeclared here (not in a function)
MLX5_LIB_CAP_4K_UAR = (u64)1 << 0,
/usr/include/rdma/mlx5-abi.h:69:29: error: expected ',' or '}' before numeric constant
MLX5_LIB_CAP_4K_UAR = (u64)1 << 0,
Include <linux/if_ether.h> to fix the following rdma/mlx5-abi.h
userspace compilation error:
/usr/include/rdma/mlx5-abi.h:286:12: error: 'ETH_ALEN' undeclared here (not in a function)
__u8 dmac[ETH_ALEN];
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"There's a kaslr fix and then two patches to update our native and
compat syscall tables. Arnd asked that we take the addition of statx
to the asm-generic unistd.h via arm64, as he didn't have anything
queued in the asm-generic tree.
Summary:
- Fix mapping of kernel image under certain kaslr offsets
- Hook up new statx syscall in asm-generic syscall table
- Update compat syscall table to match arch/arm/ (pkeys and statx)"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: kaslr: Fix up the kernel image alignment
arm64: compat: Update compat syscalls
generic syscalls: Wire up statx syscall
Pull btrfs fixes from Chris Mason:
"Zygo tracked down a very old bug with inline compressed extents.
I didn't tag this one for stable because I want to do individual
tested backports. It's a little tricky and I'd rather do some extra
testing on it along the way"
* 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: add missing memset while reading compressed inline extents
Btrfs: fix regression in lock_delalloc_pages
btrfs: remove btrfs_err_str function from uapi/linux/btrfs.h
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BackMerge tag 'v4.11-rc3' into drm-next
Linux 4.11-rc3 as requested by Daniel
The new syscall statx is implemented as generic code, so enable it
for architectures like openrisc which use the generic syscall table.
Fixes: a528d35e8b ("statx: Add a system call to make enhanced file info available")
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: David Howells <dhowells@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Merge tag 'drm-fixes-for-v4.11-rc3' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Bunch of fixes across the drivers, in a St Patrick's day pull request
(please turn terminal colors to green on black or black on green for
full effect).
On the arm side, tilcdc, omap and malidp got fixes, while amd has some
powermanagement fixes, and intel has a set of fixes across the driver.
Nothing seems to bad or scary at this point"
* tag 'drm-fixes-for-v4.11-rc3' of git://people.freedesktop.org/~airlied/linux: (27 commits)
drm/amd/amdgpu: Fix debugfs reg read/write address width
drm/amdgpu/si: add dpm quirk for Oland
drm/radeon/si: add dpm quirk for Oland
drm: amd: remove broken include path
drm/amd/powerplay: fix copy error in smu7_clockpoweragting.c
drm/tilcdc: Set framebuffer DMA address to HW only if CRTC is enabled
drm/tilcdc: Fix hardcoded fail-return value in tilcdc_crtc_create()
drm/i915: Fix forcewake active domain tracking
drm/i915: Nuke skl_update_plane debug message from the pipe update critical section
drm/i915: use correct node for handling cache domain eviction
uapi: fix drm/omap_drm.h userspace compilation errors
drm/omap: fix dmabuf mmap for dma_alloc'ed buffers
drm/amdgpu: fix parser init error path to avoid crash in parser fini
drm/amd/amdgpu: Disable GFX_PG on Carrizo until compute issues solved
drm: mali-dp: Fix smart layer not going to composition
drm: mali-dp: Remove mclk rate management
drm/i915: Drain the freed state from the tail of the next commit
drm/i915: Nuke debug messages from the pipe update critical section
drm/i915: Use pagecache write to prepopulate shmemfs from pwrite-ioctl
drm/i915: Store a permanent error in obj->mm.pages
...
Some hardware can read the alpha components separately and then
conditionally fetch color components only for non-zero alpha values.
This patch adds fourcc definitions for two-plane RGB formats with an
8-bit alpha channel on a second plane.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Pull networking fixes from David Miller:
1) Ensure that mtu is at least IPV6_MIN_MTU in ipv6 VTI tunnel driver,
from Steffen Klassert.
2) Fix crashes when user tries to get_next_key on an LPM bpf map, from
Alexei Starovoitov.
3) Fix detection of VLAN fitlering feature for bnx2x VF devices, from
Michal Schmidt.
4) We can get a divide by zero when TCP socket are morphed into
listening state, fix from Eric Dumazet.
5) Fix socket refcounting bugs in skb_complete_wifi_ack() and
skb_complete_tx_timestamp(). From Eric Dumazet.
6) Use after free in dccp_feat_activate_values(), also from Eric
Dumazet.
7) Like bonding team needs to use ETH_MAX_MTU as netdev->max_mtu, from
Jarod Wilson.
8) Fix use after free in vrf_xmit(), from David Ahern.
9) Don't do UDP Fragmentation Offload on IPComp ipsec packets, from
Alexey Kodanev.
10) Properly check napi_complete_done() return value in order to decide
whether to re-enable IRQs or not in amd-xgbe driver, from Thomas
Lendacky.
11) Fix double free of hwmon device in marvell phy driver, from Andrew
Lunn.
12) Don't crash on malformed netlink attributes in act_connmark, from
Etienne Noss.
13) Don't remove routes with a higher metric in ipv6 ECMP route replace,
from Sabrina Dubroca.
14) Don't write into a cloned SKB in ipv6 fragmentation handling, from
Florian Westphal.
15) Fix routing redirect races in dccp and tcp, basically the ICMP
handler can't modify the socket's cached route in it's locked by the
user at this moment. From Jon Maxwell.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (108 commits)
qed: Enable iSCSI Out-of-Order
qed: Correct out-of-bound access in OOO history
qed: Fix interrupt flags on Rx LL2
qed: Free previous connections when releasing iSCSI
qed: Fix mapping leak on LL2 rx flow
qed: Prevent creation of too-big u32-chains
qed: Align CIDs according to DORQ requirement
mlxsw: reg: Fix SPVMLR max record count
mlxsw: reg: Fix SPVM max record count
net: Resend IGMP memberships upon peer notification.
dccp: fix memory leak during tear-down of unsuccessful connection request
tun: fix premature POLLOUT notification on tun devices
dccp/tcp: fix routing redirect race
ucc/hdlc: fix two little issue
vxlan: fix ovs support
net: use net->count to check whether a netns is alive or not
bridge: drop netfilter fake rtable unconditionally
ipv6: avoid write to a possibly cloned skb
net: wimax/i2400m: fix NULL-deref at probe
isdn/gigaset: fix NULL-deref at probe
...
Consistently use types from linux/types.h like in other uapi drm/*_drm.h
header files to fix the following drm/omap_drm.h userspace compilation
errors:
/usr/include/drm/omap_drm.h:36:2: error: unknown type name 'uint64_t'
uint64_t param; /* in */
/usr/include/drm/omap_drm.h:37:2: error: unknown type name 'uint64_t'
uint64_t value; /* in (set_param), out (get_param) */
/usr/include/drm/omap_drm.h:56:2: error: unknown type name 'uint32_t'
uint32_t bytes; /* (for non-tiled formats) */
/usr/include/drm/omap_drm.h:58:3: error: unknown type name 'uint16_t'
uint16_t width;
/usr/include/drm/omap_drm.h:59:3: error: unknown type name 'uint16_t'
uint16_t height;
/usr/include/drm/omap_drm.h:65:2: error: unknown type name 'uint32_t'
uint32_t flags; /* in */
/usr/include/drm/omap_drm.h:66:2: error: unknown type name 'uint32_t'
uint32_t handle; /* out */
/usr/include/drm/omap_drm.h:67:2: error: unknown type name 'uint32_t'
uint32_t __pad;
/usr/include/drm/omap_drm.h:77:2: error: unknown type name 'uint32_t'
uint32_t handle; /* buffer handle (in) */
/usr/include/drm/omap_drm.h:78:2: error: unknown type name 'uint32_t'
uint32_t op; /* mask of omap_gem_op (in) */
/usr/include/drm/omap_drm.h:82:2: error: unknown type name 'uint32_t'
uint32_t handle; /* buffer handle (in) */
/usr/include/drm/omap_drm.h:83:2: error: unknown type name 'uint32_t'
uint32_t op; /* mask of omap_gem_op (in) */
/usr/include/drm/omap_drm.h:88:2: error: unknown type name 'uint32_t'
uint32_t nregions;
/usr/include/drm/omap_drm.h:89:2: error: unknown type name 'uint32_t'
uint32_t __pad;
/usr/include/drm/omap_drm.h:93:2: error: unknown type name 'uint32_t'
uint32_t handle; /* buffer handle (in) */
/usr/include/drm/omap_drm.h:94:2: error: unknown type name 'uint32_t'
uint32_t pad;
/usr/include/drm/omap_drm.h:95:2: error: unknown type name 'uint64_t'
uint64_t offset; /* mmap offset (out) */
/usr/include/drm/omap_drm.h:102:2: error: unknown type name 'uint32_t'
uint32_t size; /* virtual size for mmap'ing (out) */
/usr/include/drm/omap_drm.h:103:2: error: unknown type name 'uint32_t'
uint32_t __pad;
Fixes: ef6503e891 ("drm: Kbuild: add omap_drm.h to the installed headers")
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Patch series "userfaultfd non-cooperative further update for 4.11 merge
window".
Unfortunately I noticed one relevant bug in userfaultfd_exit while doing
more testing. I've been doing testing before and this was also tested
by kbuild bot and exercised by the selftest, but this bug never
reproduced before.
I dropped userfaultfd_exit as result. I dropped it because of
implementation difficulty in receiving signals in __mmput and because I
think -ENOSPC as result from the background UFFDIO_COPY should be enough
already.
Before I decided to remove userfaultfd_exit, I noticed userfaultfd_exit
wasn't exercised by the selftest and when I tried to exercise it, after
moving it to a more correct place in __mmput where it would make more
sense and where the vma list is stable, it resulted in the
event_wait_completion in D state. So then I added the second patch to
be sure even if we call userfaultfd_event_wait_completion too late
during task exit(), we won't risk to generate tasks in D state. The
same check exists in handle_userfault() for the same reason, except it
makes a difference there, while here is just a robustness check and it's
run under WARN_ON_ONCE.
While looking at the userfaultfd_event_wait_completion() function I
looked back at its callers too while at it and I think it's not ok to
stop executing dup_fctx on the fcs list because we relay on
userfaultfd_event_wait_completion to execute
userfaultfd_ctx_put(fctx->orig) which is paired against
userfaultfd_ctx_get(fctx->orig) in dup_userfault just before
list_add(fcs). This change only takes care of fctx->orig but this area
also needs further review looking for similar problems in fctx->new.
The only patch that is urgent is the first because it's an use after
free during a SMP race condition that affects all processes if
CONFIG_USERFAULTFD=y. Very hard to reproduce though and probably
impossible without SLUB poisoning enabled.
This patch (of 3):
I once reproduced this oops with the userfaultfd selftest, it's not
easily reproducible and it requires SLUB poisoning to reproduce.
general protection fault: 0000 [#1] SMP
Modules linked in:
CPU: 2 PID: 18421 Comm: userfaultfd Tainted: G ------------ T 3.10.0+ #15
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.10.1-0-g8891697-prebuilt.qemu-project.org 04/01/2014
task: ffff8801f83b9440 ti: ffff8801f833c000 task.ti: ffff8801f833c000
RIP: 0010:[<ffffffff81451299>] [<ffffffff81451299>] userfaultfd_exit+0x29/0xa0
RSP: 0018:ffff8801f833fe80 EFLAGS: 00010202
RAX: ffff8801f833ffd8 RBX: 6b6b6b6b6b6b6b6b RCX: ffff8801f83b9440
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800baf18600
RBP: ffff8801f833fee8 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff8127ceb3 R12: 0000000000000000
R13: ffff8800baf186b0 R14: ffff8801f83b99f8 R15: 00007faed746c700
FS: 0000000000000000(0000) GS:ffff88023fc80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007faf0966f028 CR3: 0000000001bc6000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
do_exit+0x297/0xd10
SyS_exit+0x17/0x20
tracesys+0xdd/0xe2
Code: 00 00 66 66 66 66 90 55 48 89 e5 41 54 53 48 83 ec 58 48 8b 1f 48 85 db 75 11 eb 73 66 0f 1f 44 00 00 48 8b 5b 10 48 85 db 74 64 <4c> 8b a3 b8 00 00 00 4d 85 e4 74 eb 41 f6 84 24 2c 01 00 00 80
RIP [<ffffffff81451299>] userfaultfd_exit+0x29/0xa0
RSP <ffff8801f833fe80>
---[ end trace 9fecd6dcb442846a ]---
In the debugger I located the "mm" pointer in the stack and walking
mm->mmap->vm_next through the end shows the vma->vm_next list is fully
consistent and it is null terminated list as expected. So this has to
be an SMP race condition where userfaultfd_exit was running while the
vma list was being modified by another CPU.
When userfaultfd_exit() run one of the ->vm_next pointers pointed to
SLAB_POISON (RBX is the vma pointer and is 0x6b6b..).
The reason is that it's not running in __mmput but while there are still
other threads running and it's not holding the mmap_sem (it can't as it
has to wait the even to be received by the manager). So this is an use
after free that was happening for all processes.
One more implementation problem aside from the race condition:
userfaultfd_exit has really to check a flag in mm->flags before walking
the vma or it's going to slowdown the exit() path for regular tasks.
One more implementation problem: at that point signals can't be
delivered so it would also create a task in D state if the manager
doesn't read the event.
The major design issue: it overall looks superfluous as the manager can
check for -ENOSPC in the background transfer:
if (mmget_not_zero(ctx->mm)) {
[..]
} else {
return -ENOSPC;
}
It's safer to roll it back and re-introduce it later if at all.
[rppt@linux.vnet.ibm.com: documentation fixup after removal of UFFD_EVENT_EXIT]
Link: http://lkml.kernel.org/r/1488345437-4364-1-git-send-email-rppt@linux.vnet.ibm.com
Link: http://lkml.kernel.org/r/20170224181957.19736-2-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Hillf Danton <hillf.zj@alibaba-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Replace MAX_ADDR_LEN with its numeric value to fix the following
linux/packet_diag.h userspace compilation error:
/usr/include/linux/packet_diag.h:67:17: error: 'MAX_ADDR_LEN' undeclared here (not in a function)
__u8 pdmc_addr[MAX_ADDR_LEN];
This is not the first case in the UAPI where the numeric value
of MAX_ADDR_LEN is used instead of symbolic one, uapi/linux/if_link.h
already does the same:
$ grep MAX_ADDR_LEN include/uapi/linux/if_link.h
__u8 mac[32]; /* MAX_ADDR_LEN */
There are no UAPI headers besides these two that use MAX_ADDR_LEN.
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Acked-by: Pavel Emelyanov <xemul@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
4 weeks worth of stuff since I was traveling&lazy:
- lspcon improvements (Imre)
- proper atomic state for cdclk handling (Ville)
- gpu reset improvements (Chris)
- lots and lots of polish around fences, requests, waiting and
everything related all over (both gem and modeset code), from Chris
- atomic by default on gen5+ minus byt/bsw (Maarten did the patch to
flip the default, really this is a massive joint team effort)
- moar power domains, now 64bit (Ander)
- big pile of in-kernel unit tests for various gem subsystems (Chris),
including simple mock objects for i915 device and and the ggtt
manager.
- i915_gpu_info in debugfs, for taking a snapshot of the current gpu
state. Same thing as i915_error_state, but useful if the kernel didn't
notice something is stick. From Chris.
- bxt dsi fixes (Umar Shankar)
- bxt w/a updates (Jani)
- no more struct_mutex for gem object unreference (Chris)
- some execlist refactoring (Tvrtko)
- color manager support for glk (Ander)
- improve the power-well sync code to better take over from the
firmware (Imre)
- gem tracepoint polish (Tvrtko)
- lots of glk fixes all around (Ander)
- ctx switch improvements (Chris)
- glk dsi support&fixes (Deepak M)
- dsi fixes for vlv and clanups, lots of them (Hans de Goede)
- switch to i915.ko types in lots of our internal modeset code (Ander)
- byt/bsw atomic wm update code, yay (Ville)
* tag 'drm-intel-next-2017-03-06' of git://anongit.freedesktop.org/git/drm-intel: (432 commits)
drm/i915: Update DRIVER_DATE to 20170306
drm/i915: Don't use enums for hardware engine id
drm/i915: Split breadcrumbs spinlock into two
drm/i915: Refactor wakeup of the next breadcrumb waiter
drm/i915: Take reference for signaling the request from hardirq
drm/i915: Add FIFO underrun tracepoints
drm/i915: Add cxsr toggle tracepoint
drm/i915: Add VLV/CHV watermark/FIFO programming tracepoints
drm/i915: Add plane update/disable tracepoints
drm/i915: Kill level 0 wm hack for VLV/CHV
drm/i915: Workaround VLV/CHV sprite1->sprite0 enable underrun
drm/i915: Sanitize VLV/CHV watermarks properly
drm/i915: Only use update_wm_{pre,post} for pre-ilk platforms
drm/i915: Nuke crtc->wm.cxsr_allowed
drm/i915: Compute proper intermediate wms for vlv/cvh
drm/i915: Skip useless watermark/FIFO related work on VLV/CHV when not needed
drm/i915: Compute vlv/chv wms the atomic way
drm/i915: Compute VLV/CHV FIFO sizes based on the PM2 watermarks
drm/i915: Plop vlv/chv fifo sizes into crtc state
drm/i915: Plop vlv wm state into crtc_state
...
btrfs_err_str function is not called from anywhere and is replicated
in the userspace headers for btrfs-progs.
It's removal also fixes the following linux/btrfs.h userspace
compilation error:
/usr/include/linux/btrfs.h: In function 'btrfs_err_str':
/usr/include/linux/btrfs.h:740:11: error: 'NULL' undeclared (first use in this function)
return NULL;
Suggested-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Daniel Vetter