Messages in this thread Patch in this message | | | Date | Thu, 9 Apr 2020 10:34:29 -0500 | From | John Allen <> | Subject | [PATCH] x86/microcode/AMD: Increase microcode PATCH_MAX_SIZE |
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Future AMD cpus will have microcode patches that exceed the default 4K page size.
Signed-off-by: John Allen <john.allen@amd.com> Cc: stable@vger.kernel.org --- diff --git a/arch/x86/include/asm/microcode_amd.h b/arch/x86/include/asm/microcode_amd.h index 6685e1218959..7063b5a43220 100644 --- a/arch/x86/include/asm/microcode_amd.h +++ b/arch/x86/include/asm/microcode_amd.h @@ -41,7 +41,7 @@ struct microcode_amd { unsigned int mpb[0]; }; -#define PATCH_MAX_SIZE PAGE_SIZE +#define PATCH_MAX_SIZE (3 * PAGE_SIZE) #ifdef CONFIG_MICROCODE_AMD extern void __init load_ucode_amd_bsp(unsigned int family);
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