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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: |
Jesper Nilsson <jesper.nilsson@xxxxxxxx> |
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Date: |
Mon, 17 Jan 2011 14:58:53 +0100 |
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Cc: |
"linux-mips@xxxxxxxxxxxxxx" <linux-mips@xxxxxxxxxxxxxx>, "linux-ia64@xxxxxxxxxxxxxxx" <linux-ia64@xxxxxxxxxxxxxxx>, "linux-sh@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" <sparclinux@xxxxxxxxxxxxxxx>, Linux-Arch <linux-arch@xxxxxxxxxxxxxxx>, "linux-s390@xxxxxxxxxxxxxxx" <linux-s390@xxxxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>, Hirokazu Takata <takata@xxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>, "virtualization@xxxxxxxxxxxxxx" <virtualization@xxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Matt Turner <mattst88@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Mike Frysinger <vapier@xxxxxxxxxx>, "user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx" <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" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ivan Kokshaysky <ink@xxxxxxxxxxxxxxxxxxxx>, "user-mode-linux-user@xxxxxxxxxxxxxxxxxxxxx" <user-mode-linux-user@xxxxxxxxxxxxxxxxxxxxx>, "uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx" <uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Richard Henderson <rth@xxxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, "linux-parisc@xxxxxxxxxxxxxxx" <linux-parisc@xxxxxxxxxxxxxxx>, linux-cris-kernel <linux-cris-kernel@xxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Ralf Baechle <ralf@xxxxxxxxxxxxxx>, Kyle McMartin <kyle@xxxxxxxxxxx>, Paul Mundt <lethal@xxxxxxxxxxxx>, "linux-alpha@xxxxxxxxxxxxxxx" <linux-alpha@xxxxxxxxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, "linux390@xxxxxxxxxx" <linux390@xxxxxxxxxx>, Koichi Yasutake <yasutake.koichi@xxxxxxxxxxxxxxxx>, "linuxppc-dev@xxxxxxxxxxxxxxxx" <linuxppc-dev@xxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx> |
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Tue, 18 Jan 2011 03:26:40 -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/1.5.18 (2008-05-17) |
On Mon, Jan 17, 2011 at 12:41:49PM +0100, Peter Zijlstra wrote:
> Index: linux-2.6/arch/cris/arch-v32/kernel/smp.c
> ===================================================================
> --- linux-2.6.orig/arch/cris/arch-v32/kernel/smp.c
> +++ linux-2.6/arch/cris/arch-v32/kernel/smp.c
> @@ -340,15 +340,18 @@ irqreturn_t crisv32_ipi_interrupt(int ir
>
> ipi = REG_RD(intr_vect, irq_regs[smp_processor_id()], rw_ipi);
>
> + if (ipi.vector & IPI_SCHEDULE) {
> + scheduler_ipi();
> + }
> if (ipi.vector & IPI_CALL) {
> - func(info);
> + func(info);
> }
> if (ipi.vector & IPI_FLUSH_TLB) {
> - if (flush_mm == FLUSH_ALL)
> - __flush_tlb_all();
> - else if (flush_vma == FLUSH_ALL)
> + if (flush_mm == FLUSH_ALL)
> + __flush_tlb_all();
> + else if (flush_vma == FLUSH_ALL)
> __flush_tlb_mm(flush_mm);
> - else
> + else
> __flush_tlb_page(flush_vma, flush_addr);
> }
>
Acked-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@xxxxxxxx
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