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/