[Skiboot] [PATCH 2/3] hostservices: Don't run pollers from hostservices callbacks

Benjamin Herrenschmidt benh at kernel.crashing.org
Tue Feb 17 08:14:55 AEDT 2015


On Mon, 2015-02-16 at 20:45 +0530, Ananth N Mavinakayanahalli wrote:
> Use the _nopoll variant of nanosleep from hostservices, to avoid potential
> poller recursion.
> 
> Signed-off-by: Ananth N Mavinakayanahalli <ananth at in.ibm.com>

Acked-by: Benjamin Herrenschmidt <benh at kernel.crashing.org>

> ---
>  core/hostservices.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/core/hostservices.c b/core/hostservices.c
> index 9cc3341..952f6b8 100644
> --- a/core/hostservices.c
> +++ b/core/hostservices.c
> @@ -467,7 +467,7 @@ static void hservice_nanosleep(uint64_t i_seconds, uint64_t i_nano_seconds)
>  
>  	ts.tv_sec = i_seconds;
>  	ts.tv_nsec = i_nano_seconds;
> -	nanosleep(&ts, NULL);
> +	nanosleep_nopoll(&ts, NULL);
>  }
>  
>  static int hservice_set_special_wakeup(struct cpu_thread *cpu)
> 
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