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| author | Sheng Yang <sheng@linux.intel.com> | 2009-12-18 16:48:45 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 12:35:40 -0300 |
| commit | be43f83dada2cf0e9e01c9a0ba42977c5bd70f9d (patch) | |
| tree | f3ec0fac7a26d153d492e8daf57528fc695d4fbc | |
| parent | 2bf78fa7b9b0d2917fd6587eadb3c0f6bbaf1718 (diff) | |
| download | lwn-be43f83dada2cf0e9e01c9a0ba42977c5bd70f9d.tar.gz lwn-be43f83dada2cf0e9e01c9a0ba42977c5bd70f9d.zip | |
x86: Raise vsyscall priority on hotplug notifier chain
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>
| -rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 9055e5872ff0..1c0c6ab9c60f 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -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; } |