linux-kernel - Re: [PATCH] powerpc/irq: Run softirqs off the top of the irq stack

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Message-ID: <CA+55aFwcPU+fAqDGp0QhSYip7MYPBB+kQiU4GHEdgMo82i7RVg@mail.gmail.com>
Date:	Mon, 23 Sep 2013 09:47:11 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
	Peter Zijlstra <peterz@...radead.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Paul Mackerras <paulus@....ibm.com>,
	Ingo Molnar <mingo@...nel.org>,
	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>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] powerpc/irq: Run softirqs off the top of the irq stack

On Sun, Sep 22, 2013 at 9:35 PM, Benjamin Herrenschmidt
<benh@...nel.crashing.org> wrote:
>
> This is the "band aid" discussed so far for the stack overflow
> problem for powerpc.

I don't think it's a "band-aid" in any way, except perhaps in the
sense that there are certainly other things we can also do in this
series (ie I liked Frederic's cleanups etc).

                     Linus
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