diff options
| author | Jeremy Fitzhardinge <[email protected]> | 2008-07-07 12:07:52 -0700 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2008-07-16 11:15:53 +0200 |
| commit | 56397f8dadb40055479a8ffff23f21a890098a31 (patch) | |
| tree | be682521f99ebd1233435ac0b0416a1439987846 | |
| parent | 8efcbab674de2bee45a2e4cdf97de16b8e609ac8 (diff) | |
xen: use lock-byte spinlock implementation
Switch to using the lock-byte spinlock implementation, to avoid the
worst of the performance hit from ticket locks.
Signed-off-by: Jeremy Fitzhardinge <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Petr Tesarik <[email protected]>
Cc: Virtualization <[email protected]>
Cc: Xen devel <[email protected]>
Cc: Thomas Friebel <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/xen/smp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index f702199312a5..a8ebafc09d47 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -430,4 +430,5 @@ void __init xen_smp_init(void) { smp_ops = xen_smp_ops; xen_fill_possible_map(); + paravirt_use_bytelocks(); } |