x86/microcode: Add microcode= cmdline parsing
authorBorislav Petkov (AMD) <bp@alien8.de>
Wed, 20 Aug 2025 13:50:42 +0000 (15:50 +0200)
committerBorislav Petkov (AMD) <bp@alien8.de>
Thu, 4 Sep 2025 14:02:20 +0000 (16:02 +0200)
commit632ff61706473127cdc3b779bf24d368e3856ab3
treed3547f313e5c4db501c70a52ee074916407e56a2
parent855042367e3f1ddc1e896fcd00af9c397d1174cb
x86/microcode: Add microcode= cmdline parsing

Add a "microcode=" command line argument after which all options can be
passed in a comma-separated list.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Reviewed-by: Chang S. Bae <chang.seok.bae@intel.com>
Link: https://lore.kernel.org/20250820135043.19048-2-bp@kernel.org
Documentation/admin-guide/kernel-parameters.txt
arch/x86/Kconfig
arch/x86/kernel/cpu/microcode/core.c