Chris Wilson c0fa92ec89 drm/i915: Protect request peeking with RCU ... Since the execlists_active() is no longer protected by the engine->active.lock, we need to protect the request pointer with RCU to prevent it being freed as we evaluate whether or not we need to preempt. Fixes: df40306902 ("drm/i915/execlists: Lift process_csb() out of the irq-off spinlock") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191104090158.2959-2-chris@chris-wilson.co.uk (cherry picked from commit 7d14863525) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit 8eb4704b12) (cherry picked from commit 7e27238e149ce4f00d9cd801fe3aa0ea55e986a2) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>		2019-11-18 11:25:16 -08:00
..
drm	drm/i915: Protect request peeking with RCU	2019-11-18 11:25:16 -08:00
host1x	drm/tegra: Changes for v5.3-rc1	2019-06-25 12:59:43 +10:00
ipu-v3	gpu: ipu-v3: image-convert: only sample into the next tile if necessary	2019-08-19 16:25:30 +02:00
vga	topic/remove-fbcon-notifiers:	2019-06-26 12:26:34 +02:00
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