From: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Date: Wed, 25 Jun 2008 00:12:56 +0000 (-0700)
Subject: x86, mce_64.c: mce_cpu_quirks being ignored
X-Git-Tag: firefly_0821_release~19697^2~253^16
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2d144e63098be47c21ad59d68a4fd17bd73a3aaf;p=firefly-linux-kernel-4.4.55.git

x86, mce_64.c: mce_cpu_quirks being ignored

Quirks getting ignored was a bug. Below patch fixes the bug, until
we have the dynamic banks support.

Sysfs choice configuration should not have any issues with the earlier patch
as we look for NR_SYSFS_BANKS in do_machine_check().

Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Max Asbock <masbock@us.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 8c8299ce7ad4..501ca1cea27d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -463,7 +463,11 @@ static void mce_init(void *dummy)
 		wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
 
 	for (i = 0; i < banks; i++) {
-		wrmsrl(MSR_IA32_MC0_CTL+4*i, ~0UL);
+		if (i < NR_SYSFS_BANKS)
+			wrmsrl(MSR_IA32_MC0_CTL+4*i, bank[i]);
+		else
+			wrmsrl(MSR_IA32_MC0_CTL+4*i, ~0UL);
+
 		wrmsrl(MSR_IA32_MC0_STATUS+4*i, 0);
 	}
 }