Commit-ID: 62d26c8200a8382e1c67419ca3aff78d37898cc5 Gitweb: http://git.kernel.org/tip/62d26c8200a8382e1c67419ca3aff78d37898cc5 Author: Frederic Weisbecker <fweisbec@xxxxxxxxx> AuthorDate: Tue, 24 Sep 2013 17:18:36 +0200 Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx> CommitDate: Tue, 1 Oct 2013 12:53:29 +0200 powerpc: Tell about irq stack coverage 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. Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Acked-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxxxx> Cc: James Hogan <james.hogan@xxxxxxxxxx> Cc: James E.J. Bottomley <jejb@xxxxxxxxxxxxxxxx> Cc: Helge Deller <deller@xxxxxx> Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx> Cc: David S. Miller <davem@xxxxxxxxxxxxx> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- 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-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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