drm/i915: Use RCU for unlocked vm_idr lookup

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Since i915_address_space is now RCU protected, we can do the vm_idr lookup
without taking the vm_idr_mutex, just with the rcu_read_lock() instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190830180325.7755-1-chris@chris-wilson.co.uk

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Chris Wilson 2019-08-30 19:03:25 +01:00

parent c1d143dd2a

commit aabbe344dc

1 changed files with 4 additions and 7 deletions

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11

drivers/gpu/drm/i915/gem/i915_gem_context.c

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