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Message-Id: <1261126127-9603-5-git-send-email-sheng@linux.intel.com>
Date: Fri, 18 Dec 2009 16:48:45 +0800
From: Sheng Yang <sheng@...ux.intel.com>
To: Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>
Cc: kvm@...r.kernel.org, Sheng Yang <sheng@...ux.intel.com>,
Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org
Subject: [PATCH 4/6] 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@...e.hu>
CC: linux-kernel@...r.kernel.org
Signed-off-by: Sheng Yang <sheng@...ux.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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