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* [PATCH] x86,xen: use current->state helpers
@ 2015-01-26 10:10 Davidlohr Bueso
  2015-01-26 10:11 ` Davidlohr Bueso
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Davidlohr Bueso @ 2015-01-26 10:10 UTC (permalink / raw)
  To: Konrad Rzeszutek Wilk, Boris Ostrovsky
  Cc: xen-devel, Davidlohr Bueso, David Vrabel

Call __set_current_state() instead of assigning the new state directly.
These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
keeping track of who changed the state.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
---
 arch/x86/xen/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 4c071ae..08e8489 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -507,7 +507,7 @@ static int xen_cpu_disable(void)
 static void xen_cpu_die(unsigned int cpu)
 {
 	while (xen_pv_domain() && HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
-		current->state = TASK_UNINTERRUPTIBLE;
+		__set_current_state(TASK_UNINTERRUPTIBLE);
 		schedule_timeout(HZ/10);
 	}
 
-- 
2.1.2

^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH] x86,xen: use current->state helpers
  2015-01-26 10:10 [PATCH] x86,xen: use current->state helpers Davidlohr Bueso
@ 2015-01-26 10:11 ` Davidlohr Bueso
  2015-01-26 10:11 ` Davidlohr Bueso
  2015-01-26 10:24 ` David Vrabel
  2 siblings, 0 replies; 4+ messages in thread
From: Davidlohr Bueso @ 2015-01-26 10:11 UTC (permalink / raw)
  To: Konrad Rzeszutek Wilk
  Cc: Boris Ostrovsky, David Vrabel, xen-devel, linux-kernel

Oops, cc'ing lkml.

On Mon, 2015-01-26 at 02:10 -0800, Davidlohr Bueso wrote:
> Call __set_current_state() instead of assigning the new state directly.
> These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
> keeping track of who changed the state.
> 
> Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
> ---
>  arch/x86/xen/smp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
> index 4c071ae..08e8489 100644
> --- a/arch/x86/xen/smp.c
> +++ b/arch/x86/xen/smp.c
> @@ -507,7 +507,7 @@ static int xen_cpu_disable(void)
>  static void xen_cpu_die(unsigned int cpu)
>  {
>  	while (xen_pv_domain() && HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
> -		current->state = TASK_UNINTERRUPTIBLE;
> +		__set_current_state(TASK_UNINTERRUPTIBLE);
>  		schedule_timeout(HZ/10);
>  	}
>  



^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] x86,xen: use current->state helpers
  2015-01-26 10:10 [PATCH] x86,xen: use current->state helpers Davidlohr Bueso
  2015-01-26 10:11 ` Davidlohr Bueso
@ 2015-01-26 10:11 ` Davidlohr Bueso
  2015-01-26 10:24 ` David Vrabel
  2 siblings, 0 replies; 4+ messages in thread
From: Davidlohr Bueso @ 2015-01-26 10:11 UTC (permalink / raw)
  To: Konrad Rzeszutek Wilk
  Cc: xen-devel, Boris Ostrovsky, David Vrabel, linux-kernel

Oops, cc'ing lkml.

On Mon, 2015-01-26 at 02:10 -0800, Davidlohr Bueso wrote:
> Call __set_current_state() instead of assigning the new state directly.
> These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
> keeping track of who changed the state.
> 
> Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
> ---
>  arch/x86/xen/smp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
> index 4c071ae..08e8489 100644
> --- a/arch/x86/xen/smp.c
> +++ b/arch/x86/xen/smp.c
> @@ -507,7 +507,7 @@ static int xen_cpu_disable(void)
>  static void xen_cpu_die(unsigned int cpu)
>  {
>  	while (xen_pv_domain() && HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
> -		current->state = TASK_UNINTERRUPTIBLE;
> +		__set_current_state(TASK_UNINTERRUPTIBLE);
>  		schedule_timeout(HZ/10);
>  	}
>  

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] x86,xen: use current->state helpers
  2015-01-26 10:10 [PATCH] x86,xen: use current->state helpers Davidlohr Bueso
  2015-01-26 10:11 ` Davidlohr Bueso
  2015-01-26 10:11 ` Davidlohr Bueso
@ 2015-01-26 10:24 ` David Vrabel
  2 siblings, 0 replies; 4+ messages in thread
From: David Vrabel @ 2015-01-26 10:24 UTC (permalink / raw)
  To: Davidlohr Bueso, Konrad Rzeszutek Wilk, Boris Ostrovsky
  Cc: xen-devel, David Vrabel

On 26/01/15 10:10, Davidlohr Bueso wrote:
> Call __set_current_state() instead of assigning the new state directly.
> These interfaces also aid CONFIG_DEBUG_ATOMIC_SLEEP environments,
> keeping track of who changed the state.

Applied to devel/for-linus-3.20, thanks.

David

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2015-01-26 10:24 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2015-01-26 10:10 [PATCH] x86,xen: use current->state helpers Davidlohr Bueso
2015-01-26 10:11 ` Davidlohr Bueso
2015-01-26 10:11 ` Davidlohr Bueso
2015-01-26 10:24 ` David Vrabel

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