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authorIngo Molnar <mingo@kernel.org>2016-08-18 18:41:12 +0200
committerIngo Molnar <mingo@kernel.org>2016-08-18 18:41:12 +0200
commitf594d0b9b34aeb8e3ffa524eaa8a4085afb56d22 (patch)
tree7ef81ad042bcfe78dc0f41e05cebfdbc268871c4 /arch/x86/kernel/cpu/microcode/amd.c
parentb3830e8d478cd9fe33e820425ce431c8ef280967 (diff)
parent7b0501b1e7cddd32b265178e32d332bdfbb532d4 (diff)
Merge branch 'x86/urgent' into x86/asm, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/cpu/microcode/amd.c')
-rw-r--r--arch/x86/kernel/cpu/microcode/amd.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c
index 27a0228c9cae..b816971f5da4 100644
--- a/arch/x86/kernel/cpu/microcode/amd.c
+++ b/arch/x86/kernel/cpu/microcode/amd.c
@@ -355,6 +355,7 @@ void load_ucode_amd_ap(void)
unsigned int cpu = smp_processor_id();
struct equiv_cpu_entry *eq;
struct microcode_amd *mc;
+ u8 *cont = container;
u32 rev, eax;
u16 eq_id;
@@ -371,8 +372,11 @@ void load_ucode_amd_ap(void)
if (check_current_patch_level(&rev, false))
return;
+ /* Add CONFIG_RANDOMIZE_MEMORY offset. */
+ cont += PAGE_OFFSET - __PAGE_OFFSET_BASE;
+
eax = cpuid_eax(0x00000001);
- eq = (struct equiv_cpu_entry *)(container + CONTAINER_HDR_SZ);
+ eq = (struct equiv_cpu_entry *)(cont + CONTAINER_HDR_SZ);
eq_id = find_equiv_id(eq, eax);
if (!eq_id)
@@ -434,6 +438,9 @@ int __init save_microcode_in_initrd_amd(void)
else
container = cont_va;
+ /* Add CONFIG_RANDOMIZE_MEMORY offset. */
+ container += PAGE_OFFSET - __PAGE_OFFSET_BASE;
+
eax = cpuid_eax(0x00000001);
eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);