Re: [Xen-devel] [PATCH] x86,xen: use current->state helpers

[Davidlohr Bueso <dave@xxxxxxxxxxxx>]

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@xxxxxxx>
> ---
>  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);
>       }
>  



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