6.6-stable review patch. If anyone has any objections, please let me know.
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From: Thomas Gleixner tglx@linutronix.de
commit d419d28261e72e1c9ec418711b3da41df2265139 upstream
save_microcode_in_initrd_amd() fails to cache builtin microcode and only scans initrd.
Use find_blobs_in_containers() instead which covers both.
Signed-off-by: Thomas Gleixner tglx@linutronix.de Signed-off-by: Borislav Petkov (AMD) bp@alien8.de Link: https://lore.kernel.org/r/20231010150702.495139089@linutronix.de Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/x86/kernel/cpu/microcode/amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -533,7 +533,7 @@ int __init save_microcode_in_initrd_amd( enum ucode_state ret; struct cpio_data cp;
- cp = find_microcode_in_initrd(ucode_path); + find_blobs_in_containers(cpuid_1_eax, &cp); if (!(cp.data && cp.size)) return -EINVAL;