[PATCH] x86/microcode/AMD: Increase microcode PATCH_MAX_SIZE

[John Allen]

Future AMD cpus will have microcode patches that exceed the current
limit of three 4K pages. Increase substantially to avoid future size
increases.

Signed-off-by: John Allen <john.allen@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
 arch/x86/include/asm/microcode_amd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index e6662adf3af4..e3d5f5ae2f46 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -41,7 +41,7 @@ struct microcode_amd {
 	unsigned int			mpb[];
 };
 
-#define PATCH_MAX_SIZE (3 * PAGE_SIZE)
+#define PATCH_MAX_SIZE (8 * PAGE_SIZE)
 
 #ifdef CONFIG_MICROCODE_AMD
 extern void __init load_ucode_amd_bsp(unsigned int family);
-- 
2.39.3