summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/microcode_amd.h
diff options
context:
space:
mode:
authorBorislav Petkov <bp@suse.de>2015-03-18 19:28:56 +0100
committerIngo Molnar <mingo@kernel.org>2015-05-06 11:24:53 +0200
commit760d765b2bb662be177d4b5b271ced8debc803ac (patch)
treeae71bf65b3e8b389062a4988da7c8e821fa19a34 /arch/x86/include/asm/microcode_amd.h
parentda9b50765e6ea3e9113df3a14a63700e47a670b7 (diff)
downloadop-kernel-dev-760d765b2bb662be177d4b5b271ced8debc803ac.zip
op-kernel-dev-760d765b2bb662be177d4b5b271ced8debc803ac.tar.gz
x86/microcode: Parse built-in microcode early
Apparently, people do build microcode into the kernel image, i.e. CONFIG_FIRMWARE_IN_KERNEL=y. Make that work in the early loader which is where microcode should be preferably loaded anyway. Note that you need to specify the microcode filename with the path relative to the toplevel firmware directory (the same like the late loading method) in CONFIG_EXTRA_FIRMWARE=y so that early loader can find it. I.e., something like this (Intel variant): CONFIG_FIRMWARE_IN_KERNEL=y CONFIG_EXTRA_FIRMWARE="intel-ucode/06-3a-09" CONFIG_EXTRA_FIRMWARE_DIR="/lib/firmware/" While at it, add me to the loader copyright boilerplate. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Daniel J Blueman <daniel@numascale.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/microcode_amd.h')
-rw-r--r--arch/x86/include/asm/microcode_amd.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h
index af93539..b843854 100644
--- a/arch/x86/include/asm/microcode_amd.h
+++ b/arch/x86/include/asm/microcode_amd.h
@@ -65,12 +65,12 @@ extern enum ucode_state load_microcode_amd(int cpu, u8 family, const u8 *data, s
extern u8 amd_ucode_patch[PATCH_MAX_SIZE];
#ifdef CONFIG_MICROCODE_AMD_EARLY
-extern void __init load_ucode_amd_bsp(void);
+extern void __init load_ucode_amd_bsp(int family);
extern void load_ucode_amd_ap(void);
extern int __init save_microcode_in_initrd_amd(void);
void reload_ucode_amd(void);
#else
-static inline void __init load_ucode_amd_bsp(void) {}
+static inline void __init load_ucode_amd_bsp(int family) {}
static inline void load_ucode_amd_ap(void) {}
static inline int __init save_microcode_in_initrd_amd(void) { return -EINVAL; }
void reload_ucode_amd(void) {}
OpenPOWER on IntegriCloud