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x86/microcode/AMD: Use find_microcode_in_initrd()

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Use the generic helper instead of semi-open-coding the procedure.

Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170120202955.4091-11-bp@alien8.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Borislav Petkov 2017-01-20 21:29:49 +01:00 committed by Thomas Gleixner
parent 3da9b41794
commit 8cc26e0b4c
1 changed files with 5 additions and 11 deletions
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16
arch/x86/kernel/cpu/microcode/amd.c
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@ -337,17 +337,15 @@ void load_ucode_amd_ap(unsigned int cpuid_1_eax)
/* First AP hasn't cached it yet, go through the blob. */
if (!cont.data) {
struct cpio_data cp = { NULL, 0, "" };
struct cpio_data cp;
if (cont.size == -1)
return;
reget:
if (!get_builtin_microcode(&cp, x86_family(cpuid_1_eax))) {
#ifdef CONFIG_BLK_DEV_INITRD
cp = find_cpio_data(ucode_path, (void *)initrd_start,
initrd_end - initrd_start, NULL);
#endif
cp = find_microcode_in_initrd(ucode_path, false);
if (!(cp.data && cp.size)) {
/*
* Mark it so that other APs do not scan again
@ -401,13 +399,9 @@ int __init save_microcode_in_initrd_amd(unsigned int cpuid_1_eax)
if (!cont.data) {
if (IS_ENABLED(CONFIG_X86_32) && (cont.size != -1)) {
struct cpio_data cp = { NULL, 0, "" };
#ifdef CONFIG_BLK_DEV_INITRD
cp = find_cpio_data(ucode_path, (void *)initrd_start,
initrd_end - initrd_start, NULL);
#endif
struct cpio_data cp;
cp = find_microcode_in_initrd(ucode_path, false);
if (!(cp.data && cp.size)) {
cont.size = -1;
return -EINVAL;