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x86: Raise vsyscall priority on hotplug notifier chain

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KVM need vsyscall_init() to initialize MSR_TSC_AUX before it read the value.
Per Avi's suggestion, this patch raised vsyscall priority on hotplug notifier
chain, to 30.

CC: Ingo Molnar <mingo@elte.hu>
CC: linux-kernel@vger.kernel.org
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Sheng Yang 2009-12-18 16:48:45 +08:00 committed by Marcelo Tosatti
parent 2bf78fa7b9
commit be43f83dad
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kernel/vsyscall_64.c
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@ -301,7 +301,8 @@ static int __init vsyscall_init(void)
register_sysctl_table(kernel_root_table2);
#endif
on_each_cpu(cpu_vsyscall_init, NULL, 1);
hotcpu_notifier(cpu_vsyscall_notifier, 0);
/* notifier priority > KVM */
hotcpu_notifier(cpu_vsyscall_notifier, 30);
return 0;
}