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1e6d5f7257
The sleepy (aka lock-owner-is-preempted) condition is propagated down the queue by each waiter. If a waiter becomes preempted, it can no longer propagate sleepy. To allow subsequent waiters to yield to the lock owner, also check the lock owner in this case. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Tested-by: Shrikanth Hegde <sshegde@linux.vnet.ibm.com> Reviewed-by: "Nysal Jan K.A" <nysal@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20231016124305.139923-6-npiggin@gmail.com |
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