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authorIngo Molnar2014-11-12 15:10:12 +0100
committerIngo Molnar2014-11-12 15:10:12 +0100
commit29cc3730370f5fef9762a90fb515a8b1cd5fd7a6 (patch)
tree6cc7faf5284a4fe6626a724791f92c41d244f689
parent890ca861f868a10617029ffc87eae7d48ea6876c (diff)
parent6f9b63a0ae0d694e3d8e6f673e1e8e2638526b97 (diff)
Merge tag 'x86_queue_for_3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp into x86/cleanups
Pull two minor cleanups from Borislav Petkov. Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--arch/x86/kernel/cpu/amd.c23
-rw-r--r--arch/x86/kernel/espfix_64.c3
2 files changed, 11 insertions, 15 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 813d29d00a17..15c5df92f74e 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -566,6 +566,17 @@ static void init_amd_k8(struct cpuinfo_x86 *c)
if (!c->x86_model_id[0])
strcpy(c->x86_model_id, "Hammer");
+
+#ifdef CONFIG_SMP
+ /*
+ * Disable TLB flush filter by setting HWCR.FFDIS on K8
+ * bit 6 of msr C001_0015
+ *
+ * Errata 63 for SH-B3 steppings
+ * Errata 122 for all steppings (F+ have it disabled by default)
+ */
+ msr_set_bit(MSR_K7_HWCR, 6);
+#endif
}
static void init_amd_gh(struct cpuinfo_x86 *c)
@@ -636,18 +647,6 @@ static void init_amd(struct cpuinfo_x86 *c)
{
u32 dummy;
-#ifdef CONFIG_SMP
- /*
- * Disable TLB flush filter by setting HWCR.FFDIS on K8
- * bit 6 of msr C001_0015
- *
- * Errata 63 for SH-B3 steppings
- * Errata 122 for all steppings (F+ have it disabled by default)
- */
- if (c->x86 == 0xf)
- msr_set_bit(MSR_K7_HWCR, 6);
-#endif
-
early_init_amd(c);
/*
diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c
index 94d857fb1033..f5d0730e7b08 100644
--- a/arch/x86/kernel/espfix_64.c
+++ b/arch/x86/kernel/espfix_64.c
@@ -122,9 +122,6 @@ static void init_espfix_random(void)
void __init init_espfix_bsp(void)
{
pgd_t *pgd_p;
- pteval_t ptemask;
-
- ptemask = __supported_pte_mask;
/* Install the espfix pud into the kernel page directory */
pgd_p = &init_level4_pgt[pgd_index(ESPFIX_BASE_ADDR)];