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Date: Wed, 25 Sep 2013 17:40:27 -0700 From: Joe Perches <joe@...ches.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Frederic Weisbecker <fweisbec@...il.com>, LKML <linux-kernel@...r.kernel.org>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Paul Mackerras <paulus@....ibm.com>, Ingo Molnar <mingo@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, Peter Zijlstra <peterz@...radead.org>, "H. Peter Anvin" <hpa@...or.com>, James Hogan <james.hogan@...tec.com>, "James E.J. Bottomley" <jejb@...isc-linux.org>, Helge Deller <deller@....de>, Martin Schwidefsky <schwidefsky@...ibm.com>, Heiko Carstens <heiko.carstens@...ibm.com>, "David S. Miller" <davem@...emloft.net> Subject: Re: [PATCH 7/7] x86: Tell about irq stack coverage On Wed, 2013-09-25 at 17:21 -0700, Andrew Morton wrote: > On Wed, 25 Sep 2013 16:08:20 -0700 Linus Torvalds <torvalds@...ux-foundation.org> wrote: > > > On Wed, Sep 25, 2013 at 9:18 AM, Frederic Weisbecker <fweisbec@...il.com> wrote: > > > +#ifdef CONFIG_X86_64 > > > +# define __ARCH_IRQ_EXIT_ON_IRQ_STACK > > > +#endif > > > > Ok, see the previous email, this should just be a single > > > > select IRQ_EXIT_ON_IRQ_STACK > > > > in under the "config X86_64" header in arch/x86/Kconfig. > > > > And as of right now, this patch series should do it for Power too, > > since I just merged Ben's branch, which contained commit 0366a1c70b89 > > ("powerpc/irq: Run softirqs off the top of the irq stack"). Again, > > just a single select in the arch/powerpc/Kconfig gile should be > > sufficient. > > > > This happens quite a lot. Perhaps Joe can cook us up a checkpatch > rule. "#define [__]ARCH_HA" looks like a decent search pattern. > Huh? That matches all the ARCH_HAS_<foo> patterns. What is it you want again? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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