On 17/07/2020 13:45, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2020-07-17 13:21:54)
On 15/07/2020 12:50, Chris Wilson wrote:
Sometimes we have to be very careful not to allocate underneath a mutex
(or spinlock) and yet still want to track activity. Enter
i915_active_acquire_for_context(). This raises the activity counter on
i915_active prior to use and ensures that the fence-tree contains a slot
for the context.
Changelog?
"Time spent with perf trying to reduce holdtime of certain mutexes we
will introduce, in particular focusing on reducing the number of atomics
required for typical i915_active lookups"
Why not, then I would had at least known nothing from my previous round
feedback so easier review.
Regards,
Tvrtko
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