AuxXxilium/linux_dsm_epyc7002
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17cabf571e
linux_dsm_epyc7002/drivers/gpu/drm/i915
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Chris Wilson 17cabf571e drm/i915: Trim the command parser allocations 
Currently, the command parser tries to create a secondary batch exactly
as large as the original, and vmap both. This is open to abuse by
userspace using extremely large batch objects, but only executing very
short batches. For example, this would be if userspace were to implement
a command submission ringbuffer. However, we only need to allocate pages
for just the contents of the command sequence in the batch - all
relocations copied to the secondary batch will reference the original
batch and so there can be no access to the secondary batch outside of
the explicit execution region.

Testcase: igt/gem_exec_big #ivb,byt,hsw
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88308
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: John Harrison <John.C.Harrison@Intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-02-23 17:07:40 +01:00
..
dvo_ch7xxx.c
dvo_ch7017.c
dvo_ivch.c
dvo_ns2501.c
dvo_sil164.c
dvo_tfp410.c
dvo.h
i915_cmd_parser.c drm/i915: Trim the command parser allocations 2015-02-23 17:07:40 +01:00
i915_debugfs.c drm/i915: Switch to drm_crtc variants of vblank functions 2015-02-23 10:54:28 +01:00
i915_dma.c drm/i915: Add the display switch logic for vGPU in i915 driver 2015-02-13 23:28:24 +01:00
i915_drv.c drm/i915: Remove references to previously removed UMS config option 2015-02-13 23:28:40 +01:00
i915_drv.h drm/i915: Update DRIVER_DATE to 20150214 2015-02-14 00:41:35 +01:00
i915_gem_batch_pool.c drm/i915: Mark shadow batch buffers as purgeable 2014-12-16 10:39:09 +01:00
i915_gem_context.c Merge tag 'topic/i915-hda-componentized-2015-01-12' into drm-intel-next-queued 2015-01-12 23:07:46 +01:00
i915_gem_debug.c
i915_gem_dmabuf.c
i915_gem_evict.c drm/i915: Add some extra guards in evict_vm 2015-01-06 09:07:59 +01:00
i915_gem_execbuffer.c drm/i915: Trim the command parser allocations 2015-02-23 17:07:40 +01:00
i915_gem_gtt.c drm/i915: Support alias ppgtt in VM if ppgtt is enabled 2015-02-13 23:28:26 +01:00
i915_gem_gtt.h drm/i915/gen8: Un-hardcode number of page directories 2015-02-13 23:28:12 +01:00
i915_gem_render_state.c drm/i915: Remove obsolete seqno parameter from 'i915_add_request' 2014-12-03 09:35:19 +01:00
i915_gem_render_state.h
i915_gem_stolen.c drm/i915/fbc: fix the check for already reserved fbc size 2015-02-13 23:28:03 +01:00
i915_gem_tiling.c drm/i915: Replace last_[rwf]_seqno with last_[rwf]_req 2014-12-03 09:35:14 +01:00
i915_gem_userptr.c
i915_gem.c drm/i915: Add process identifier to requests 2015-02-13 23:28:37 +01:00
i915_gpu_error.c drm/i915: Add process identifier to requests 2015-02-13 23:28:37 +01:00
i915_ioc32.c
i915_irq.c drm/i915: Flatten DRIVER_MODESET checks in i915_irq.c 2015-02-23 10:54:27 +01:00
i915_params.c drm/i915: Add i915.nuclear_pageflip command line param to force atomic (v4) 2015-01-27 09:57:34 +01:00
i915_reg.h drm/i915/skl: Implement WaEnableLbsSlaRetryTimerDecrement 2015-02-13 23:28:38 +01:00
i915_suspend.c Merge tag 'topic/i915-hda-componentized-2015-01-12' into drm-intel-next-queued 2015-01-12 23:07:46 +01:00
i915_sysfs.c drm/i915: Introduce intel_set_rps() 2015-02-13 23:27:59 +01:00
i915_trace_points.c
i915_trace.h drm/i915/trace: Fix offsets for 64b 2015-02-13 23:28:11 +01:00
i915_ums.c drm/i915: don't save/restore backlight hist ctl registers 2014-11-14 10:29:28 +01:00
i915_vgpu.c drm/i915: Adds graphic address space ballooning logic 2015-02-13 23:28:23 +01:00
i915_vgpu.h drm/i915: Add the display switch logic for vGPU in i915 driver 2015-02-13 23:28:24 +01:00
intel_acpi.c
intel_atomic_plane.c drm/i915: Switch plane properties to full atomic helper. 2015-01-27 09:57:25 +01:00
intel_atomic.c drm/i915: Add crtc state duplication/destruction functions 2015-01-27 09:57:18 +01:00
intel_audio.c drm/i915: Make intel_crtc->config a pointer 2015-01-27 09:50:50 +01:00
intel_bios.c Revert "drm/i915: Parsing LFP brightness control from VBT" 2015-01-07 09:45:38 +01:00
intel_bios.h Revert "drm/i915: Parsing LFP brightness control from VBT" 2015-01-07 09:45:38 +01:00
intel_crt.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_ddi.c drm/i915: Use pipe_config's cpu_transcoder for reading encoder hw state 2015-01-30 19:38:43 +01:00
intel_display.c drm/i915: Switch to drm_crtc variants of vblank functions 2015-02-23 10:54:28 +01:00
intel_dp_mst.c drm/i915: Use pipe_config's cpu_transcoder for reading encoder hw state 2015-01-30 19:38:43 +01:00
intel_dp.c drm/i915: Make intel_dp_unpack_aux() static 2015-02-13 23:28:29 +01:00
intel_drv.h drm/i915: Make intel_unpin_fb_obj() static 2015-02-13 23:28:29 +01:00
intel_dsi_panel_vbt.c drm/i915/dsi: remove intel_dsi_cmd.c and the unused functions therein 2015-01-29 16:57:14 +01:00
intel_dsi_pll.c drm/i915: Use DSI Pll1 for enabling MIPI DSI on Port C 2014-12-10 17:47:21 +01:00
intel_dsi.c drm/i915: Correct the variable holding the value for EOT to write 2015-02-13 23:28:00 +01:00
intel_dsi.h drm/i915/dsi: add drm mipi dsi host support 2015-01-29 16:51:39 +01:00
intel_dvo.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_fbc.c drm/i915: Disable framebuffer compression for i915 driver in VM 2015-02-13 23:28:24 +01:00
intel_fbdev.c drm/i915: Switch intel_fb_align_height to fb format modifiers 2015-02-13 23:28:18 +01:00
intel_fifo_underrun.c drivers: gpu: drm: i915: intel_fifo_underrun.c: Fix a typo in comment 2015-01-27 10:30:01 +01:00
intel_frontbuffer.c drm/i915: DRRS calls based on frontbuffer 2015-01-27 09:51:15 +01:00
intel_hdmi.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_i2c.c
intel_lrc.c drm/i915/skl: Provide a gen9 specific init_render_ring() 2015-02-13 23:28:32 +01:00
intel_lrc.h drm/i915: Make intel_logical_ring_advance_and_submit() static 2015-02-13 23:28:28 +01:00
intel_lvds.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_modes.c
intel_opregion.c
intel_overlay.c drm/i915: Make intel_crtc->config a pointer 2015-01-27 09:50:50 +01:00
intel_panel.c drm/i915: Embedded struct drm_crtc_state in intel_crtc_state 2015-01-27 09:50:48 +01:00
intel_pm.c drm/i915/skl: Implement WaEnableLbsSlaRetryTimerDecrement 2015-02-13 23:28:38 +01:00
intel_psr.c drm/i915/skl: Enabling PSR on Skylake 2015-01-28 17:22:29 +01:00
intel_renderstate_gen6.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen7.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen8.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate_gen9.c drm/i915: Add headers to the various render state 2014-12-10 17:47:23 +01:00
intel_renderstate.h
intel_ringbuffer.c drm/i915/skl: Use a LRI for WaDisableDgMirrorFixInHalfSliceChicken5 2015-02-13 23:28:39 +01:00
intel_ringbuffer.h drm/i915: Make intel_ring_setup_status_page() static 2015-02-13 23:28:27 +01:00
intel_runtime_pm.c drm/i915/skl: Implementation of SKL display power well support 2015-02-13 23:28:01 +01:00
intel_sdvo_regs.h
intel_sdvo.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_sideband.c drm/i915: Increase the range of sideband address. 2015-01-27 09:50:43 +01:00
intel_sprite.c drm/i915: Switch to drm_crtc variants of vblank functions 2015-02-23 10:54:28 +01:00
intel_tv.c drm/i915: Add atomic_get_property entrypoint for connectors (v2) 2015-01-27 09:57:10 +01:00
intel_uncore.c drm/i915: FIFO space query code refactor 2015-02-23 16:45:16 +01:00
Kconfig drm/i915/dsi: add drm mipi dsi host support 2015-01-29 16:51:39 +01:00
Makefile drm/i915: Introduce a PV INFO page structure for Intel GVT-g. 2015-02-13 23:28:22 +01:00