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Message-Id: <1242170864-13560-2-git-send-email-jeremy@goop.org> Date: Tue, 12 May 2009 16:27:39 -0700 From: Jeremy Fitzhardinge <jeremy@...p.org> To: Ingo Molnar <mingo@...e.hu> Cc: the arch/x86 maintainers <x86@...nel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Xen-devel <xen-devel@...ts.xensource.com>, Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> Subject: [PATCH 1/6] xen: set cpu_callout_mask to make mtrr work From: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> The mtrr code uses num_booting_cpus() to manage its corrdinated mtrr update, which in turn depends on cpu_callout_mask. [ Impact: bugfix; make /proc/mtrr writes work in Xen ] Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com> --- arch/x86/xen/smp.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 429834e..4706af7 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -297,6 +297,8 @@ static int __cpuinit xen_cpu_up(unsigned int cpu) xen_setup_timer(cpu); xen_init_lock_cpu(cpu); + cpumask_set_cpu(cpu, cpu_callout_mask); + per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; /* make sure interrupts start blocked */ -- 1.6.0.6 -- 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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