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xen-devel
[Xen-devel] Re: [PATCH] sched: provide scheduler_ipi() callback in respo
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To: |
Peter Zijlstra <peterz@xxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH] sched: provide scheduler_ipi() callback in response to smp_send_reschedule() |
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From: |
Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> |
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Date: |
Mon, 17 Jan 2011 11:57:48 +0000 |
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Cc: |
linux-mips@xxxxxxxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Heiko Carstens <heiko.carstens@xxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, Paul Mackerras <paulus@xxxxxxxxx>, Helge Deller <deller@xxxxxx>, sparclinux@xxxxxxxxxxxxxxx, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, linux-s390@xxxxxxxxxxxxxxx, Jesper Nilsson <jesper.nilsson@xxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Hirokazu Takata <takata@xxxxxxxxxxxxxx>, x86@xxxxxxxxxx, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Mike Frysinger <vapier@xxxxxxxxxx>, user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Jeff Dike <jdike@xxxxxxxxxxx>, Chris Metcalf <cmetcalf@xxxxxxxxxx>, Mikael Starvik <starvik@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>, user-mode-linux-user@xxxxxxxxxxxxxxxxxxxxx, uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Richard Henderson <rth@xxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, linux-parisc@xxxxxxxxxxxxxxx, linux-cris-kernel@xxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Ralf Baechle <ralf@xxxxxxxxxxxxxx>, Kyle McMartin <kyle@xxxxxxxxxxx>, Paul Mundt <lethal@xxxxxxxxxxxx>, linux-alpha@xxxxxxxxxxxxxxx, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, linux390@xxxxxxxxxx, Koichi Yasutake <yasutake.koichi@xxxxxxxxxxxxxxxx>, linuxppc-dev@xxxxxxxxxxxxxxxx, "David S. Miller" <davem@xxxxxxxxxxxxx> |
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Tue, 18 Jan 2011 03:23:47 -0800 |
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<1295262433.30950.53.camel@laptop> <20110117112637.GA18599@xxxxxxxxxxxxxxxxxxxxxx> <1295263884.30950.54.camel@laptop> <1295264509.30950.59.camel@laptop> |
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Mutt/1.5.19 (2009-01-05) |
On Mon, Jan 17, 2011 at 12:41:49PM +0100, Peter Zijlstra wrote:
> ===================================================================
> --- linux-2.6.orig/arch/arm/kernel/smp.c
> +++ linux-2.6/arch/arm/kernel/smp.c
> @@ -575,10 +575,7 @@ asmlinkage void __exception do_IPI(struc
> break;
>
> case IPI_RESCHEDULE:
> - /*
> - * nothing more to do - eveything is
> - * done on the interrupt return path
> - */
> + scheduler_ipi();
> break;
>
> case IPI_CALL_FUNC:
Acked-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxxx>
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