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x86/microcode/AMD: Increase microcode PATCH_MAX_SIZE
commit bdf89df3c5
upstream.
Future AMD CPUs will have microcode patches that exceed the default 4K
patch size. Raise our limit.
Signed-off-by: John Allen <john.allen@amd.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org # v4.14..
Link: https://lkml.kernel.org/r/20200409152931.GA685273@mojo.amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -41,7 +41,7 @@ struct microcode_amd {
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unsigned int mpb[0];
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};
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#define PATCH_MAX_SIZE PAGE_SIZE
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#define PATCH_MAX_SIZE (3 * PAGE_SIZE)
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#ifdef CONFIG_MICROCODE_AMD
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extern void __init load_ucode_amd_bsp(unsigned int family);
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