linux

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Files

Borislav Petkov (AMD) 43be33b8a2 x86/microcode/AMD: Handle the case of no BIOS microcode

commit fcf8239ad6 upstream.

Machines can be shipped without any microcode in the BIOS. Which means,
the microcode patch revision is 0.

Handle that gracefully.

Fixes: 94838d230a ("x86/microcode/AMD: Use the family,model,stepping encoded in the patch ID")
Reported-by: Vítek Vávra <vit.vavra.kh@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-09-04 15:31:52 +02:00

amd_shas.c

x86/microcode/AMD: Add TSA microcode SHAs

2025-07-10 16:05:14 +02:00

amd.c

x86/microcode/AMD: Handle the case of no BIOS microcode

2025-09-04 15:31:52 +02:00

core.c

x86/microcode/AMD: Do not return error when microcode update is not necessary

2025-06-19 15:31:27 +02:00

intel.c

x86/microcode: Update the Intel processor flag scan check