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crosvm/cros_async
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Chirantan Ekbote 19353d3e68 sync: spinlock: Check state before compare_exchange_weak 
Checking the state with a relaxed load before doing a
compare_exchange_weak can reduce unnecessary coherence traffic on the
CPU and improve performance.

BUG=none
TEST=unit tests

Change-Id: Icabd9863ceb5ba674dbec601afee8f7962f69413
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2805753
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Chirantan Ekbote <chirantan@chromium.org>
2021-04-08 07:45:04 +00:00
..
src sync: spinlock: Check state before compare_exchange_weak 2021-04-08 07:45:04 +00:00
.build_test_skip build_test: misc options, improvements, amd bug fixes 2020-10-15 13:40:32 +00:00
Cargo.toml Fixup Cargo.toml for cros_async and io_uring 2021-04-01 03:32:58 +00:00