search for: 8d83510

Displaying 2 results from an estimated 2 matches for "8d83510".

[RFC PATCH v2] Implement Batched (group) ticket lock
2014 Jun 28
2
[RFC PATCH v2] Implement Batched (group) ticket lock
...mp; - ACCESS_ONCE(w->want) == ticket) { + (ACCESS_ONCE(w->want) & TICKET_BATCH_MASK) == + (ticket & TICKET_BATCH_MASK)) { add_stats(RELEASED_SLOW_KICKED, 1); kvm_kick_cpu(cpu); break; diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 0ba5f3b..8d83510 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -163,7 +163,8 @@ __visible void xen_lock_spinning(struct arch_spinlock *lock, __ticket_t want) * check again make sure it didn't become free while * we weren't looking */ - if (ACCESS_ONCE(lock->tickets.head)...
[RFC PATCH v2] Implement Batched (group) ticket lock
2014 Jun 28
2
[RFC PATCH v2] Implement Batched (group) ticket lock
...mp; - ACCESS_ONCE(w->want) == ticket) { + (ACCESS_ONCE(w->want) & TICKET_BATCH_MASK) == + (ticket & TICKET_BATCH_MASK)) { add_stats(RELEASED_SLOW_KICKED, 1); kvm_kick_cpu(cpu); break; diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c index 0ba5f3b..8d83510 100644 --- a/arch/x86/xen/spinlock.c +++ b/arch/x86/xen/spinlock.c @@ -163,7 +163,8 @@ __visible void xen_lock_spinning(struct arch_spinlock *lock, __ticket_t want) * check again make sure it didn't become free while * we weren't looking */ - if (ACCESS_ONCE(lock->tickets.head)...