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authorAndreas Herrmann <andreas.herrmann3@amd.com>2012-01-20 17:44:12 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-02-03 09:18:56 -0800
commit231f0496129d5d41ae77cc2410e3cea97540cd7b (patch)
tree01500d2d505370278459bf430b6645eac67eb639 /include/Kbuild
parent8c6f009ebfcdae4196be7e456c99ad44eb013420 (diff)
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x86/microcode_amd: Add support for CPU family specific container files
commit 5b68edc91cdc972c46f76f85eded7ffddc3ff5c2 upstream. We've decided to provide CPU family specific container files (starting with CPU family 15h). E.g. for family 15h we have to load microcode_amd_fam15h.bin instead of microcode_amd.bin Rationale is that starting with family 15h patch size is larger than 2KB which was hard coded as maximum patch size in various microcode loaders (not just Linux). Container files which include patches larger than 2KB cause different kinds of trouble with such old patch loaders. Thus we have to ensure that the default container file provides only patches with size less than 2KB. Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com> Cc: Borislav Petkov <borislav.petkov@amd.com> Cc: <stable@kernel.org> Link: http://lkml.kernel.org/r/20120120164412.GD24508@alberich.amd.com [ documented the naming convention and tidied the code a bit. ] Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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