Messages in this thread Patch in this message | | | From | Sheng Yang <> | Subject | [PATCH 4/6] x86: Raise vsyscall priority on hotplug notifier chain | Date | Fri, 18 Dec 2009 16:48:45 +0800 |
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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> --- 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 8cb4974..971bbc9 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -300,7 +300,8 @@ 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; } -- 1.5.4.5
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