From e79375ffc89785baac1d4a8bd12b5d53767698e0 Mon Sep 17 00:00:00 2001
From: Borislav Petkov <borislav.petkov@amd.com>
Date: Mon, 6 Aug 2012 19:00:39 +0200
Subject: [PATCH] --- yaml --- r: 324023 b: refs/heads/master c:
 057237bb35a605d795fd787868a1088705f26ee5 h: refs/heads/master i:   324021:
 a3e2cea034b6732a411d155a72f469a801c7f151   324019:
 8095acbc5d28282eca2743c1d1e5c620c402b4e6   324015:
 5a979507beb2a22b874686fc85aee263b354dca0 v: v3

---
 [refs]                          |  2 +-
 trunk/arch/x86/kernel/cpu/amd.c | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index b0af1d4e5ac7..12bc6aaae847 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b46882e4c4de4813947fce940fe74af794a1eb72
+refs/heads/master: 057237bb35a605d795fd787868a1088705f26ee5
diff --git a/trunk/arch/x86/kernel/cpu/amd.c b/trunk/arch/x86/kernel/cpu/amd.c
index bcd200839c90..f7e98a2c0d12 100644
--- a/trunk/arch/x86/kernel/cpu/amd.c
+++ b/trunk/arch/x86/kernel/cpu/amd.c
@@ -737,6 +737,17 @@ static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 *c,
 }
 #endif
 
+static void __cpuinit cpu_set_tlb_flushall_shift(struct cpuinfo_x86 *c)
+{
+	if (!cpu_has_invlpg)
+		return;
+
+	tlb_flushall_shift = 5;
+
+	if (c->x86 <= 0x11)
+		tlb_flushall_shift = 4;
+}
+
 static void __cpuinit cpu_detect_tlb_amd(struct cpuinfo_x86 *c)
 {
 	u32 ebx, eax, ecx, edx;
@@ -788,6 +799,8 @@ static void __cpuinit cpu_detect_tlb_amd(struct cpuinfo_x86 *c)
 		tlb_lli_2m[ENTRIES] = eax & mask;
 
 	tlb_lli_4m[ENTRIES] = tlb_lli_2m[ENTRIES] >> 1;
+
+	cpu_set_tlb_flushall_shift(c);
 }
 
 static const struct cpu_dev __cpuinitconst amd_cpu_dev = {