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由 Christian König 提交于
Semaphore values have 64 bits, not 32. This fixes a very subtle bug that disables synchronization when the upper 32bits wasn't zero. Signed-off-by: NChristian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org Reviewed-By: NGrigori Goronzy <greg@chown.ath.cx> Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
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