diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-17 19:02:38 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-17 19:02:38 (GMT) |
| commit | 1508124d8a4e0995362d93d82e5555a74bfc998f (patch) | |
| tree | 62b36e0fa03b40e68be6941c5139e8ff7653d0b2 /arch/x86/xen/smp.c | |
| parent | 976f8bef9cfb5246bc0e8dc781562daa79cb7aaf (diff) | |
| parent | 7d132055814ef17a6c7b69f342244c410a5e000f (diff) | |
| download | linux-fsl-qoriq-1508124d8a4e0995362d93d82e5555a74bfc998f.tar.xz | |
Merge 3.10-rc6 into usb-next
We want the fixes in this branch as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/xen/smp.c')
| -rw-r--r-- | arch/x86/xen/smp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index fb44426..d99cae8 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -17,6 +17,7 @@ #include <linux/slab.h> #include <linux/smp.h> #include <linux/irq_work.h> +#include <linux/tick.h> #include <asm/paravirt.h> #include <asm/desc.h> @@ -447,6 +448,13 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */ play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); cpu_bringup(); + /* + * commit 4b0c0f294 (tick: Cleanup NOHZ per cpu data on cpu down) + * clears certain data that the cpu_idle loop (which called us + * and that we return from) expects. The only way to get that + * data back is to call: + */ + tick_nohz_idle_enter(); } #else /* !CONFIG_HOTPLUG_CPU */ |