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Borislav Petkov authored
Add a verify_patch() function which tries to sanity-check many aspects of a microcode patch supplied by an outside container before attempting a load. Prepend all sub-functions' names which verify an aspect of a microcode patch with "__". Call it in verify_and_add_patch() *before* looking at the microcode header. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: x86@kernel.org Link: https://lkml.kernel.org/r/20181107170218.7596-7-bp@alien8.de
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