- 27 Jul, 2017 5 commits
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Chris Wilson authored
When doing a GPU reset, the CSB register will be trashed and we will lose any context-switch notifications that happened since the tasklet was disabled. If we find that all requests on this engine were completed, we want to make sure that the ELSP tracker is similarly empty so that we do not feed back in the completed requests upon recovering from the reset. Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Reviewed-by:
Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170721123238.16428-4-chris@chris-wilson.co.ukSigned-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch>
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Chris Wilson authored
We rely on disabling the execlists (by stopping the tasklet) to prevent new requests from submitting to the engine ELSP before we are ready. However, we re-enable the engine before we call init_hw which gives userspace the opportunity to subit a new request which is then overwritten by init_hw -- but not before the HW may have started executing. The subsequent out-of-order CSB is detected by our sanity checks in intel_lrc_irq_handler(). Fixes: a1ef70e1 ("drm/i915: Add support for per engine reset recovery") Signed-off-by:
Michel Thierry <michel.thierry@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170721123238.16428-3-chris@chris-wilson.co.ukSigned-off-by:
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Chris Wilson authored
We try to fixup the context image after the reset to ensure that there are no more pending writes from the hw that may conflict and to fixup any that were in flight. Fixes: a1ef70e1 ("drm/i915: Add support for per engine reset recovery") Signed-off-by:
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Chris Wilson authored
As part of the knowing whether there is outstanding data in the CSB, also check whether there is an outstanding IRQ notification. Signed-off-by:
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Daniel Vetter authored
Resync with upstream to avoid git getting too badly confused. Also, we have a conflict with the drm_vblank_cleanup removal, which cannot be resolved by simply taking our side. Bake that in properly. Signed-off-by:
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- 26 Jul, 2017 28 commits
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Stephen Rothwell authored
Hi all, After merging the drm-misc tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/staging/vboxvideo/vbox_drv.c:235:2: error: unknown field 'set_busid' specified in initializer .set_busid = drm_pci_set_busid, ^ drivers/staging/vboxvideo/vbox_drv.c:235:15: error: 'drm_pci_set_busid' undeclared here (not in a function) .set_busid = drm_pci_set_busid, ^ drivers/staging/vboxvideo/vbox_drv.c: In function 'vbox_init': drivers/staging/vboxvideo/vbox_drv.c:273:9: error: implicit declaration of function 'drm_pci_init' [-Werror=implicit-function-declaration] return drm_pci_init(&driver, &vbox_pci_driver); ^ drivers/staging/vboxvideo/vbox_drv.c: In function 'vbox_exit': drivers/staging/vboxvideo/vbox_drv.c:278:2: error: implicit declaration of function 'drm_pci_exit' [-Werror=implicit-function-declaration] drm_pci_exit(&driver, &vbox_pci_driver); ^ Caused by commits 5c484cee ("drm: Remove drm_driver->set_busid hook") 10631d72 ("drm/pci: Deprecate drm_pci_init/exit completely") interacting with commit dd55d44f ("staging: vboxvideo: Add vboxvideo to drivers/staging") from the staging.current tree. I have applied the following merge fix patch - please check that it is correct. From: Stephen Rothwell <sfr@canb.auug.org.au> Date: Wed, 19 Jul 2017 11:41:01 +1000 Subject: [PATCH] drm: fixes for staging due to API changes in the drm core Signed-off-by:Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Dave Airlie <airlied@redhat.com>
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Dave Airlie authored
Linux 4.13-rc2 This is required for drm-misc fixing.
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git://anongit.freedesktop.org/git/drm-miscDave Airlie authored
drm-misc-next-2017-07-18: Core Changes: - A couple fixes to only opening crc when needed (Maarten) - Change atomic helper swap_state to be interruptible (Maarten) - fb_helper: Support waiting for an output before setting up (Daniel) - Allow drivers supporting runtime_pm to use helper_commit_tail (Maxime) Driver Changes: - misc: Use %pOF to print device node names (Rob) - Miscellaneous fixes drm-misc-next-2017-07-18: UAPI Changes: - Fail commits which request an event without including a crtc (Andrey) Core Changes: - Add YCBCR 4:2:0 support (Shashank) - s/drm_atomic_replace_property_blob/drm_property_replace_blob/ (Peter) - Add proper base class for private objs instead of using void* (Ville) - Remove pending_read/write_domains from drm_gem_object (Chris) - Add async plane update support (ie: cursor) to atomic helpers (Gustavo) - Add old state to .enable and rename to .atomic_enable (Laurent) - Add drm_atomic_helper_wait_for_flip_done() (Boris) - Remove drm_driver->set_busid hook (Daniel) - Migrate vblank documentation into the source files (Daniel) - Add fb_helper->lock instead of abusing modeset lock (Thierry/Daniel) Driver Changes: - stm: Add STM32 DSI controller driver (Phillipe) - amdgpu: Numerous small/misc fixes - bridge: Add Synopsys Designware MIPI DSI host bridge driver (Phillipe) - tinydrm: Add support for Pervasive Displays RePaper displays (Noralf) - misc: Replace for_each_[obj]_in_state to prep for removal (Maarten) - misc: Use .atomic_disable for atomic drivers (Laurent) - vgem: Pin pages when mapped/exported (Chris) - dw_hdmi: Add support for Rockchip RK3399 (Mark) - atmel-hlcdc: Add 8-bit color look-up table format (Peter) - vc4: Send vblank event when disabling a crtc (Boris) - vc4: Use atomic helpers for fence waits (Eric) - misc: drop drm_vblank_cleanup cargo-cult (Daniel) Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Eric Anholt <eric@anholt.net> Cc: Peter Rosin <peda@axentia.se> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: Gustavo Padovan <gustavo.padovan@collabora.com> Cc: Thierry Reding <treding@nvidia.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Peter Rosin <peda@axentia.se> Cc: Shashank Sharma <shashank.sharma@intel.com> Cc: Philippe CORNU <philippe.cornu@st.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Rob Herring <robh@kernel.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> * tag 'drm-misc-next-2017-07-26' of git://anongit.freedesktop.org/git/drm-misc: (171 commits) drm/hisilicon: fix build error without fbdev emulation drm/atomic: implement drm_atomic_helper_commit_tail for runtime_pm users drm: Improve kerneldoc for drm_modeset_lock drm/hisilicon: Remove custom FB helper deferred setup drm/exynos: Remove custom FB helper deferred setup drm/fb-helper: Support deferred setup dma-fence: Don't BUG_ON when not absolutely needed drm: Convert to using %pOF instead of full_name drm/syncobj: Fix kerneldoc drm/atomic: Allow drm_atomic_helper_swap_state to fail drm/atomic: Add __must_check to drm_atomic_helper_swap_state. drm/vc4: Handle drm_atomic_helper_swap_state failure drm/tilcdc: Handle drm_atomic_helper_swap_state failure drm/tegra: Handle drm_atomic_helper_swap_state failure drm/msm: Handle drm_atomic_helper_swap_state failure drm/mediatek: Handle drm_atomic_helper_swap_state failure drm/i915: Handle drm_atomic_helper_swap_state failure drm/atmel-hlcdc: Handle drm_atomic_helper_swap_state failure drm/nouveau: Handle drm_atomic_helper_swap_state failure drm/atomic: Change drm_atomic_helper_swap_state to return an error. ...
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Arnd Bergmann authored
We cannot reference priv->fbdev outside of the #ifdef: drivers/net/virtio_net.c:1881:12: error: 'virtnet_restore_up' defined but not used [-Werror=unused-function] static int virtnet_restore_up(struct virtio_device *vdev) drivers/net/virtio_net.c:1859:13: error: 'virtnet_freeze_down' defined but not used [-Werror=unused-function] static void virtnet_freeze_down(struct virtio_device *vdev) As the #ifdef is a bit annoying here, this removes it entirely and uses an IS_ENABLED() check in it place where needed. Fixes: b4dd9f1ffaba ("drm/hisilicon: Remove custom FB helper deferred setup") Signed-off-by:Arnd Bergmann <arnd@arndb.de> [danvet: One step further, also remove the IS_ENABLED checks, core no-ops out the fb helper functions that the cma helpers use. Discussed with Arnd on dri-devel.] Signed-off-by:
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Maxime Ripard authored
The current drm_atomic_helper_commit_tail helper works only if the CRTC is accessible, and documents an alternative implementation that is supposed to be used if that happens. That implementation is then duplicated by some drivers. Instead of documenting it, let's implement an helper that all the relevant users can use directly. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
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Liviu Dudau authored
Explain better when the drm_modeset_acquire_ctx parameter can be skipped for drm_modeset_lock() call. Signed-off-by:
Liviu Dudau <Liviu.Dudau@arm.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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Thierry Reding authored
The FB helper core now supports deferred setup, so the driver's custom implementation can be removed. v2: Dont' resurrect drm_vblank_cleanup. Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com> Cc: Chen Feng <puck.chen@hisilicon.com> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by:
Sean Paul <seanpaul@chromium.org> Signed-off-by:
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Thierry Reding authored
The FB helper core now supports deferred setup, so the driver's custom implementation can be removed. v2: Drop NULL check, drm_fb_helper_hotplug_event handles that already. Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by:
Inki Dae <inki.dae@samsung.com> Tested-by:
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Daniel Vetter authored
FB helper code falls back to a 1024x768 mode if no outputs are connected or don't report back any modes upon initialization. This can be annoying because outputs that are added to FB helper later on can't be used with FB helper if they don't support a matching mode. The fallback is in place because VGA connectors can happen to report an unknown connection status even when they are in fact connected. Some drivers have custom solutions in place to defer FB helper setup until at least one output is connected. But the logic behind these solutions is always the same and there is nothing driver-specific about it, so a better alterative is to fix the FB helper core and add support for all drivers automatically. This patch adds support for deferred FB helper setup. It checks all the connectors for their connection status, and if all of them report to be disconnected marks the FB helper as needing deferred setup. Whet setup is deferred, the FB helper core will automatically retry setup after a hotplug event, and it will keep trying until it succeeds. v2: Rebase onto my entirely reworked fbdev helper locking. One big difference is that this version again drops&reacquires the fbdev lock (which is now fb_helper->lock, but before this patch series it was mode_config->mutex), because register_framebuffer must be able to recurse back into fbdev helper code for the initial screen setup. v3: __drm_fb_helper_initial_config must hold fb_helper->lock upon return, I've fumbled that in the deferred setup case (Liviu). v4: I was blind, redo this all. __drm_fb_helper_initial_config shouldn't need to reacquire fb_helper->lock, that just confuses callers. I myself got confused by kernel_fb_helper_lock and somehow thought it's the same as fb_helper->lock. Tsk. Also simplify the logic a bit (we don't need two functions to probe connectors), we can stick much closer to the existing code. And update some comments I've spotted that are outdated. v5: Don't pass -EAGAIN to drivers, it's just an internal error code (Liviu). v6: Add _and_unlock suffix to clarify locking (Maarten) Cc: Liviu Dudau <liviu@dudau.co.uk> Cc: John Stultz <john.stultz@linaro.org> Cc: Thierry Reding <treding@nvidia.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Tested-by:
John Stultz <john.stultz@linaro.org> Signed-off-by: Thierry Reding <treding@nvidia.com> (v1) Reviewed-by:
Maarten Lankhorst <maarten.lankhorst@intel.com> Reviewed-by:
Liviu Dudau <liviu@dudau.co.uk> Signed-off-by:
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Daniel Vetter authored
It makes debugging a massive pain. Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Reviewed-by:
Lucas Stach <l.stach@pengutronix.de> Acked-by:
Sumit Semwal <sumit.semwal@linaro.org> Acked-by:
Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170720125107.26693-1-daniel.vetter@ffwll.chSigned-off-by:
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Rob Herring authored
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by:
Rob Herring <robh@kernel.org> Cc: Russell King <linux@armlinux.org.uk> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Sean Paul <seanpaul@chromium.org> Cc: Inki Dae <inki.dae@samsung.com> Cc: Joonyoung Shim <jy0922.shim@samsung.com> Cc: Seung-Woo Kim <sw0312.kim@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Cc: Xinliang Liu <z.liuxinliang@hisilicon.com> Cc: Rongrong Zou <zourongrong@gmail.com> Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com> Cc: Chen Feng <puck.chen@hisilicon.com> Cc: CK Hu <ck.hu@mediatek.com> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: Matthias Brugger <matthias.bgg@gmail.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Carlo Caione <carlo@caione.org> Cc: Kevin Hilman <khilman@baylibre.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mark Yao <mark.yao@rock-chips.com> Cc: Heiko Stuebner <heiko@sntech.de> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Jyri Sarha <jsarha@ti.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: dri-devel@lists.freedesktop.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-mediatek@lists.infradead.org Cc: linux-amlogic@lists.infradead.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Partially-Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
Philipp Zabel <p.zabel@pengutronix.de> Acked-by:
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Daniel Vetter authored
I need this to be able to apply the deferred fbdev setup patches, I need the relevant prep work that landed through the drm-intel tree. Also squash in conflict fixup from Laurent Pinchart. Signed-off-by: -
Daniel Vetter authored
make htmldocs helps with catching these. Cc: Dave Airlie <airlied@gmail.com> Acked-by:
Dave Airlie <airlied@gmail.com> Signed-off-by:
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Maarten Lankhorst authored
Signed-off-by:
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Maarten Lankhorst authored
Now that all drivers check the return value, convert swap_state to __must_check. This is done separately to force build warnings if we missed a driver. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. VC4 has its own nonblocking modeset tracking through the vc4->async_modeset semaphore, so it doesn't need to stall in swap_state. Pass stall = false and BUG_ON when it returns an error. This should never happen for !stall. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. MSM has its own busy tracking, which means the swap_state call can be done with stall = false, in which case it should never return an error. Handle failure with BUG_ON for this reason. Signed-off-by:
Archit Taneja <architt@codeaurora.org> Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Atmel tracks pending commits through dc->commit.pending, so it can ignore the changes by setting stall = false. We never return failure in this case, so make failure a BUG_ON. Signed-off-by:
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Maarten Lankhorst authored
drm_atomic_helper_swap_state() will be changed to interruptible waiting in the next few commits, so all drivers have to be changed to handling failure. Signed-off-by:
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Maarten Lankhorst authored
We want to change swap_state to wait indefinitely, but to do this swap_state should wait interruptibly. This requires propagating the error to each driver. Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Signed-off-by:
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Maarten Lankhorst authored
Make it more clear that post commit return ret is really return 0, and add a missing drm_atomic_helper_cleanup_planes when drm_atomic_helper_wait_for_fences fails. Fixes: 839ca903 ("drm/nouveau/kms/nv50: transition to atomic interfaces internally") Cc: Ben Skeggs <bskeggs@redhat.com> Cc: dri-devel@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v4.10+ Signed-off-by:
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Daniel Vetter authored
- FBINFO_CAN_FORCE_OUTPUT has been a lie ever since we nerfed&removed the entire panic handling code in our fbdev emulation. We might restore kms panic output, but not through the bazillion of legacy code layers called fbdev/fbcon, there's just no way to make that work safely. - With the module check change FBINFO_DEFAULT is always 0, so can be removed too. That removes another change to cargo-cult stuff in kms drivers, yay! Reviewed-by:
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Daniel Vetter authored
It's not accelarated, just system memory. Note we don't even need to set the default flag since that's now always 0. Note that originally qxl had acceleration support, but that was all ripped out in commit c0fe07aa Author: Gerd Hoffmann <kraxel@redhat.com> Date: Tue May 5 13:52:49 2015 +0200 drm/qxl: rewrite framebuffer support v2: Amend commit message a bit after irc chat with Dave. Cc: Dave Airlie <airlied@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: virtualization@lists.linux-foundation.org Acked-by:
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Daniel Vetter authored
Not all places correctly stated that gem_free_object_unlocked is the one to use. Reported-by: Eric Anholt <eric@anholt.net Cc: Eric Anholt <eric@anholt.net Reviewed-by:
Eric Anholt <eric@anholt.net> Signed-off-by:
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- 23 Jul, 2017 7 commits
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Linus Torvalds authored
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Linus Torvalds authored
This adds a perl script to actually parse the MAINTAINERS file, clean up some whitespace in it, warn about errors in it, and then properly sort the end result. My perl-fu is atrocious, so the script has basically been created by randomly putting various characters in a pile, mixing them around, and then looking it the end result does anything interesting when used as a perl script. Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Prepping for scripting the MAINTAINERS file cleanup (and possible split) showed a couple of cases where the headers for a couple of entries were bogus. There's a few different kinds of bogosities: - the X-GENE SOC EDAC case was confused and split over two lines - there were four entries for "GREYBUS PROTOCOLS DRIVERS" that were all different things. - the NOKIA N900 CAMERA SUPPORT" was duplicated all of which were more obvious when you started doing associative arrays in perl to track these things by the header (so that we can alphabetize this thing properly, and so that we might split it up by the data too). Cc: Joe Perches <joe@perches.com> Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: "Some fixes and cleanups for running under Xen" * tag 'for-linus-4.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: don't online new memory initially xen/x86: fix cpu hotplug xen/grant-table: log the lack of grants xen/x86: Don't BUG on CPU0 offlining
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Juergen Gross authored
When setting up the Xenstore watch for the memory target size the new watch will fire at once. Don't try to reach the configured target size by onlining new memory in this case, as the current memory size will be smaller in almost all cases due to e.g. BIOS reserved pages. Onlining new memory will lead to more problems e.g. undesired conflicts with NVMe devices meant to be operated as block devices. Instead remember the difference between target size and current size when the watch fires for the first time and apply it to any further size changes, too. In order to avoid races between balloon.c and xen-balloon.c init calls do the xen-balloon.c initialization from balloon.c. Signed-off-by:
Juergen Gross <jgross@suse.com> Reviewed-by:
Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by:
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Juergen Gross authored
Commit dc6416f1 ("xen/x86: Call cpu_startup_entry(CPUHP_AP_ONLINE_IDLE) from xen_play_dead()") introduced an error leading to a stack overflow of the idle task when a cpu was brought offline/online many times: by calling cpu_startup_entry() instead of returning at the end of xen_play_dead() do_idle() would be entered again and again. Don't use cpu_startup_entry(), but cpuhp_online_idle() instead allowing to return from xen_play_dead(). Cc: <stable@vger.kernel.org> # 4.12 Signed-off-by:
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Wengang Wang authored
log a message when we enter this situation: 1) we already allocated the max number of available grants from hypervisor and 2) we still need more (but the request fails because of 1)). Sometimes the lack of grants causes IO hangs in xen_blkfront devices. Adding this log would help debuging. Signed-off-by:
Wengang Wang <wen.gang.wang@oracle.com> Reviewed-by:
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by:
Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by:
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