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[Xen-changelog] [xen-unstable] x86: solve spinlock bug in s3 cpufreq path.



# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1233836005 0
# Node ID 4c92a04f4f5ec6bfc07ff39783bf8a45765bb418
# Parent  5fd1a6951801382c483043579620ae4da9949757
x86: solve spinlock bug in s3 cpufreq path.

Signed-off-by Kevin Tian <kevin.tian@xxxxxxxxx>
---
 xen/arch/x86/smpboot.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 5fd1a6951801 -r 4c92a04f4f5e xen/arch/x86/smpboot.c
--- a/xen/arch/x86/smpboot.c    Thu Feb 05 12:12:34 2009 +0000
+++ b/xen/arch/x86/smpboot.c    Thu Feb 05 12:13:25 2009 +0000
@@ -1256,8 +1256,6 @@ int __cpu_disable(void)
        mdelay(1);
        local_irq_disable();
 
-       cpufreq_del_cpu(cpu);
-
        time_suspend();
 
        cpu_mcheck_disable();
@@ -1320,6 +1318,8 @@ int cpu_down(unsigned int cpu)
        }
 
        printk("Prepare to bring CPU%d down...\n", cpu);
+
+       cpufreq_del_cpu(cpu);
 
        err = stop_machine_run(take_cpu_down, NULL, cpu);
        if (err < 0)

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