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: Thomas Friebel <[EMAIL PROTECTED]>
---
arch/x86/xen/smp.c | 1 +
1 file changed, 1 insertion(+)
===================================================================
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -430,4 +430,5 @@
{
smp_ops = xen_smp_ops;
xen_fill_possible_map();
+ paravirt_use_bytelocks();
}
--
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