Messages in this thread | | | Date | Wed, 20 Jun 2012 16:49:22 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH] x86, microcode: Make reload interface per system |
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On 06/20/2012 04:46 PM, Henrique de Moraes Holschuh wrote: > > Well, it makes the kernel tell us what (amd/intel/whatever) firmware it > wants, and requires (after patching) a simple echo 1 >foo to activate. It > is also harmless if activated without updated firmware in place. > > /dev/cpu/microcode requires special software (or a dd with bs>=file size), > since it borks if userspace breaks a microcode into two write() syscalls, > and requires detection of the cpu vendor. Very annoying. >
Yeah, because dd is such an exotic piece of software...
-hpa
-- H. Peter Anvin, Intel Open Source Technology Center I work for Intel. I don't speak on their behalf.
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