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x86/microcode: Add microcode= cmdline parsing

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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
This commit is contained in:
Borislav Petkov (AMD)
2025-08-20 15:50:42 +02:00
parent 855042367e
commit 632ff61706
3 changed files with 30 additions and 8 deletions
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8
Documentation/admin-guide/kernel-parameters.txt
View File

@@ -3767,8 +3767,12 @@
mga= [HW,DRM]
microcode.force_minrev= [X86]
Format: <bool>
microcode= [X86] Control the behavior of the microcode loader.
Available options, comma separated:
dis_ucode_ldr: disable the microcode loader
force_minrev:
Enable or disable the microcode minimal revision
enforcement for the runtime microcode loader.