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1aff1903d0
linux_dsm_epyc7002/drivers/gpu/drm/i915/gt
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Chris Wilson 1aff1903d0 drm/i915: Hide unshrinkable context objects from the shrinker 
The shrinker cannot touch objects used by the contexts (logical state
and ring). Currently we mark those as "pin_global" to let the shrinker
skip over them, however, if we remove them from the shrinker lists
entirely, we don't event have to include them in our shrink accounting.

By keeping the unshrinkable objects in our shrinker tracking, we report
a large number of objects available to be shrunk, and leave the shrinker
deeply unsatisfied when we fail to reclaim those. The shrinker will
persist in trying to reclaim the unavailable objects, forcing the system
into a livelock (not even hitting the dread oomkiller).

v2: Extend unshrinkable protection for perma-pinned scratch and guc
allocations (Tvrtko)
v3: Notice that we should be pinned when marking unshrinkable and so the
link cannot be empty; merge duplicate paths.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190802212137.22207-1-chris@chris-wilson.co.uk
2019-08-02 23:39:46 +01:00
..
selftests drm/i915: Rename i915_timeline to intel_timeline and move under gt 2019-06-21 13:48:53 +01:00
uc drm/i915: Hide unshrinkable context objects from the shrinker 2019-08-02 23:39:46 +01:00
gen6_renderstate.c drm/i915: Move the renderstate setup under gt/ 2019-07-04 11:48:22 +01:00
gen7_renderstate.c drm/i915: Move the renderstate setup under gt/ 2019-07-04 11:48:22 +01:00
gen8_renderstate.c drm/i915: Move the renderstate setup under gt/ 2019-07-04 11:48:22 +01:00
gen9_renderstate.c drm/i915: Move the renderstate setup under gt/ 2019-07-04 11:48:22 +01:00
intel_breadcrumbs.c
intel_context_types.h drm/i915/gt: Provide a local intel_context.vm 2019-07-30 16:09:35 +01:00
intel_context.c drm/i915: Hide unshrinkable context objects from the shrinker 2019-08-02 23:39:46 +01:00
intel_context.h drm/i915: Allow sharing the idle-barrier from other kernel requests 2019-08-02 11:53:04 +01:00
intel_engine_cs.c drm/i915: Add i915 to i915_inject_probe_failure 2019-08-02 21:14:29 +01:00
intel_engine_pm.c drm/i915: Allow sharing the idle-barrier from other kernel requests 2019-08-02 11:53:04 +01:00
intel_engine_pm.h drm/i915: Lift intel_engines_resume() to callers 2019-06-26 18:01:01 +01:00
intel_engine_types.h drm/i915: Inline engine->init_context into its caller 2019-07-30 11:50:42 +01:00
intel_engine.h drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
intel_gpu_commands.h drm/i915/selftests: Ensure we don't clamp a random offset to 32b 2019-07-11 10:06:37 +01:00
intel_gt_pm.c drm/i915/gt: Introduce intel_gt_runtime_suspend/resume 2019-08-01 17:58:54 +01:00
intel_gt_pm.h drm/i915/pmu: Atomically acquire the gt_pm wakeref 2019-08-02 08:08:20 +01:00
intel_gt_types.h drm/i915/guc: prefer intel_gt in guc interrupt functions 2019-07-13 20:11:36 +01:00
intel_gt.c drm/i915: Hide unshrinkable context objects from the shrinker 2019-08-02 23:39:46 +01:00
intel_gt.h drm/i915/gt: Move gt_cleanup_early out of gem_cleanup_early 2019-08-01 17:58:50 +01:00
intel_hangcheck.c drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
intel_lrc_reg.h
intel_lrc.c drm/i915: Remove lrc default desc from GEM context 2019-08-01 17:37:02 +01:00
intel_lrc.h
intel_mocs.c drm/i915: Move MOCS setup to intel_mocs.c 2019-07-31 07:40:35 -07:00
intel_mocs.h drm/i915: Move MOCS setup to intel_mocs.c 2019-07-31 07:40:35 -07:00
intel_renderstate.c drm/i915: Inline engine->init_context into its caller 2019-07-30 11:50:42 +01:00
intel_renderstate.h drm/i915: Move the renderstate setup under gt/ 2019-07-04 11:48:22 +01:00
intel_reset_types.h drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
intel_reset.c drm/i915/uc: Unify uC platform check 2019-07-25 07:30:41 +01:00
intel_reset.h drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
intel_ringbuffer.c drm/i915: Hide unshrinkable context objects from the shrinker 2019-08-02 23:39:46 +01:00
intel_sseu.c
intel_sseu.h
intel_timeline_types.h drm/i915: Rename i915_timeline to intel_timeline and move under gt 2019-06-21 13:48:53 +01:00
intel_timeline.c drm/i915/gt: Always call kref_init for the timeline 2019-06-26 07:25:54 +01:00
intel_timeline.h drm/i915: Rename i915_timeline to intel_timeline and move under gt 2019-06-21 13:48:53 +01:00
intel_workarounds_types.h drm/i915: Add engine name to workaround debug print 2019-07-12 09:55:30 +01:00
intel_workarounds.c drm/i915/icl: Add Wa_1409178092 2019-07-19 15:35:21 +01:00
intel_workarounds.h drm/i915: Convert gt workarounds to intel_gt 2019-06-21 13:48:25 +01:00
Makefile drm/i915: use upstream version of header tests 2019-07-30 12:11:57 +03:00
mock_engine.c drm/i915/gt: Hook up intel_context_fini() 2019-07-22 23:20:07 +01:00
mock_engine.h
selftest_context.c drm/i915: Allow sharing the idle-barrier from other kernel requests 2019-08-02 11:53:04 +01:00
selftest_engine_cs.c
selftest_hangcheck.c drm/i915/selftests: Careful not to flush hang_fini on error setups 2019-07-29 11:00:18 +01:00
selftest_lrc.c drm/i915/selftests: Pass intel_context to igt_spinner 2019-07-31 09:45:27 +01:00
selftest_reset.c drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
selftest_timeline.c drm/i915/gt: Use intel_gt as the primary object for handling resets 2019-07-12 21:06:56 +01:00
selftest_workarounds.c drm/i915/selftests: Pass intel_context to igt_spinner 2019-07-31 09:45:27 +01:00