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x86/microcode/intel: Use a reserved field for metasize

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Intel is using microcode file format for IFS test images too.

IFS test images use one of the existing reserved fields in microcode
header to indicate the size of the region in the file allocated for
metadata structures.

In preparation for this, rename first of the existing reserved fields
in microcode header to metasize. In subsequent patches IFS specific
code will make use of this field while parsing IFS images.

Signed-off-by: Jithu Joseph <jithu.joseph@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Link: https://lore.kernel.org/r/20221117035935.4136738-10-jithu.joseph@intel.com
This commit is contained in:
Jithu Joseph 2022-11-16 19:59:28 -08:00 committed by Borislav Petkov
parent e0788c3281
commit 28377e56ed
1 changed files with 2 additions and 1 deletions
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3
arch/x86/include/asm/microcode_intel.h
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@ -14,7 +14,8 @@ struct microcode_header_intel {
unsigned int pf;
unsigned int datasize;
unsigned int totalsize;
unsigned int reserved[3];
unsigned int metasize;
unsigned int reserved[2];
};
struct microcode_intel {