Re: [PATCH 6/8] x86, microcode, intel: total_size is valid only when data_size != 0
From: Borislav Petkov
Date: Mon Jul 28 2014 - 10:26:47 EST
On Fri, Jul 25, 2014 at 04:04:11PM -0300, Henrique de Moraes Holschuh wrote:
> As far as I can tell, Intel has always filled the reserved fields in the
> microcode data files with zeros.
Yes, and this is the statement I was looking for. IF(!) this really
is the case, then we don't have anything to worry about because new
kernel with old container will look at ->datasize, see 0 and return
DEFAULT_UCODE_TOTALSIZE and we're fine.
I've updated the patch with your additional explanation.
Sent from a fat crate under my desk. Formatting is fine.
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