Borislav Petkov (AMD) c84ba4cdf4 x86/microcode/AMD: Handle the case of no BIOS microcode ... commit fcf8239ad6a5de54fa7ce18e464c6b5951b982cb 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 15:30:26 +02:00
..
boot	x86/sev: Evict cache lines during SNP memory validation	2025-08-15 12:09:08 +02:00
coco	x86/tdx: Fix arch_safe_halt() execution for TDX VMs	2025-04-25 10:45:55 +02:00
configs	- The first, cleanup part of the microcode loader reorg tglx has been	2023-08-28 15:55:20 -07:00
crypto	crypto: x86/aegis128 - access 32-bit arguments as 32-bit	2024-12-09 10:32:43 +01:00
entry	x86/bugs: Rename MDS machinery to something more generic	2025-07-10 16:03:21 +02:00
events	perf/x86/intel: Fix crash in icl_update_topdown_event()	2025-08-01 09:47:32 +01:00
hyperv	x86/hyperv: Fix usage of cpu_online_mask to get valid cpu	2025-08-01 09:47:28 +01:00
ia32
include	compiler: remove __ADDRESSABLE_ASM{_STR,}() again	2025-08-28 16:28:46 +02:00
kernel	x86/microcode/AMD: Handle the case of no BIOS microcode	2025-09-04 15:30:26 +02:00
kvm	KVM: x86: use array_index_nospec with indices that come from guest	2025-09-04 15:30:26 +02:00
lib	x86/its: Add support for ITS-safe return thunk	2025-05-18 08:24:11 +02:00
math-emu	x86/fpu: Include asm/fpu/regset.h	2023-05-18 11:56:18 -07:00
mm	x86/fpu: Delay instruction pointer fixup until after warning	2025-08-15 12:09:08 +02:00
net	x86/its: FineIBT-paranoid vs ITS	2025-05-18 08:24:12 +02:00
pci	PCI: Avoid putting some root ports into D3 on TUXEDO Sirius Gen1	2025-02-17 09:40:26 +01:00
platform	x86/pvh: Call C code via the kernel virtual mapping	2025-05-02 07:51:02 +02:00
power	mm/treewide: replace pud_large() with pud_leaf()	2024-04-10 16:35:46 +02:00
purgatory	x86/purgatory: Switch to the position-independent small code model	2024-06-12 11:11:43 +02:00
ras
realmode	x86/realmode: Make stack lock work in trampoline_compat()	2023-05-30 14:11:47 +02:00
tools	x86/tools: Drop duplicate unlikely() definition in insn_decoder_test.c	2025-07-06 11:00:16 +02:00
um	um: Add cmpxchg8b_emu and checksum functions to asm-prototypes.h	2025-07-06 11:00:07 +02:00
video	Merge drm/drm-next into drm-misc-next	2023-07-24 15:44:47 +02:00
virt/vmx/tdx	x86/tdx: Pass TDCALL/SEAMCALL input/output registers via a structure	2024-12-09 10:32:19 +01:00
xen	x86/xen: fix memblock_reserve() usage on PVH	2025-04-25 10:45:55 +02:00
.gitignore
Kbuild
Kconfig	x86/mm: Disable hugetlb page table sharing on 32-bit	2025-07-17 18:35:15 +02:00
Kconfig.assembler	x86/kconfig: Add as-instr64 macro to properly evaluate AS_WRUSS	2024-08-03 08:53:21 +02:00
Kconfig.cpu	x86/Kconfig: Transmeta Crusoe is CPU family 5, not 6	2024-02-23 09:25:10 +01:00
Kconfig.debug	x86/kconfig: Select ARCH_WANT_FRAME_POINTERS again when UNWINDER_FRAME_POINTER=y	2024-06-12 11:12:46 +02:00
Makefile	x86/boot: Compile boot code with -std=gnu11 too	2025-06-04 14:42:21 +02:00
Makefile_32.cpu
Makefile.postlink	x86/build: Avoid relocation information in final vmlinux	2023-06-14 19:54:40 +02:00
Makefile.um