On Thu, 2013-09-26 at 18:24 +0200, Frederic Weisbecker wrote:
> Now that powerpc runs irq_exit() under the irq stack,
> let the softirq core know about that so that we spare
> the needless stack switch on irq exit's softirq processing.
> 
> Signed-off-by: Frederic Weisbecker <fweis...@gmail.com>

Acked-by: Benjamin Herrenschmidt <b...@kernel.crashing.org>
> Cc:

>  Paul Mackerras <pau...@au1.ibm.com>
> Cc: Ingo Molnar <mi...@kernel.org>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Peter Zijlstra <pet...@infradead.org>
> Cc: H. Peter Anvin <h...@zytor.com>
> Cc: Linus Torvalds <torva...@linux-foundation.org>
> Cc: Paul Mackerras <pau...@au1.ibm.com>
> Cc: James Hogan <james.ho...@imgtec.com>
> Cc: James E.J. Bottomley <j...@parisc-linux.org>
> Cc: Helge Deller <del...@gmx.de>
> Cc: Martin Schwidefsky <schwidef...@de.ibm.com>
> Cc: Heiko Carstens <heiko.carst...@de.ibm.com>
> Cc: David S. Miller <da...@davemloft.net>
> Cc: Andrew Morton <a...@linux-foundation.org>
> ---
>  arch/powerpc/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 38f3b7e..b365d5c 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -138,6 +138,7 @@ config PPC
>       select OLD_SIGSUSPEND
>       select OLD_SIGACTION if PPC32
>       select HAVE_DEBUG_STACKOVERFLOW
> +     select HAVE_IRQ_EXIT_ON_IRQ_STACK
>  
>  config EARLY_PRINTK
>       bool


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to