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2011 Feb 23
0
[PATCH] Fixing mwait usage when doing cpu offline
...variables are needed, otherwise, there will be another #PF. These series of #PF produce a dead lock around tasklet_lock. This patch avoids using per_cpu variable inside play_dead. Signed-off-by: Shan Haitao <haitao.shan@intel.com> Signed-off-by: Wei Gang <gang.wei@intel.com> diff -r dac86c85222e xen/arch/x86/acpi/cpu_idle.c --- a/xen/arch/x86/acpi/cpu_idle.c Fri Feb 18 19:07:11 2011 +0000 +++ b/xen/arch/x86/acpi/cpu_idle.c Wed Feb 23 17:05:32 2011 +0800 @@ -569,7 +569,8 @@ static void acpi_dead_idle(void) { case ACPI_CSTATE_EM_FFH: /* Not treat inter...