[tip:ras/core] x86/mce: Fix order of AMD MCE init function call

From: tip-bot for Aravind Gopalakrishnan
Date: Mon Feb 01 2016 - 06:41:33 EST


Commit-ID: bfbe0eeb769e2aff2cb1fc6845c4e4b7eac40bb3
Gitweb: http://git.kernel.org/tip/bfbe0eeb769e2aff2cb1fc6845c4e4b7eac40bb3
Author: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@xxxxxxx>
AuthorDate: Mon, 25 Jan 2016 20:41:48 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 1 Feb 2016 10:53:55 +0100

x86/mce: Fix order of AMD MCE init function call

In mce_amd_feature_init() we take decisions based on mce_flags
being set or not. So the feature detection using CPUID should
naturally be ordered before we call mce_amd_feature_init().

Fix that here.

Signed-off-by: Aravind Gopalakrishnan <Aravind.Gopalakrishnan@xxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: linux-edac <linux-edac@xxxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1453750913-4781-4-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/kernel/cpu/mcheck/mce.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index a006f4c..b718080 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1617,10 +1617,10 @@ static void __mcheck_cpu_init_vendor(struct cpuinfo_x86 *c)
case X86_VENDOR_AMD: {
u32 ebx = cpuid_ebx(0x80000007);

- mce_amd_feature_init(c);
mce_flags.overflow_recov = !!(ebx & BIT(0));
mce_flags.succor = !!(ebx & BIT(1));
mce_flags.smca = !!(ebx & BIT(3));
+ mce_amd_feature_init(c);

break;
}