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SubjectRe: [PATCH 2/2] x86, microcode: Make reload interface per system
On Thu, Jun 21, 2012 at 08:00:59PM -0300, Henrique de Moraes Holschuh wrote:
> Meh. I uploaded the first public version of the thing a whole two weeks
> ago! It should have been all over the Internet by now ;-)
>
> It is in Debian Wheezy (soon-to-be-stable) as of yesterday, I think. It
> will eventually end up in Ubuntu. And if you guys think it is worthwhile to
> maintain it upstream either in git.k.o, or as part of tools/, I have nothing
> against it.
>
> I posted the URL earlier, I think, but here it is:
> http://cdn.debian.net/debian/pool/contrib/i/iucode-tool/iucode-tool_0.8.orig.tar.bz2
>
> But it really exists to help distros do Intel microcode management and
> release install-and-forget packages for end users. End-users should get to
> either ignore its existence entirely and get automated updates of microcode
> as distro binary packages, or run an "update-intel-microcode" script (not
> written yet, but there is one on Debian and Ubuntu's microcode.ctl package)
> that downloads the blob from Intel, and does whatever is needed to install
> it to /lib/firmware and apply it to the running system (and kernel image,
> initramfs, whatever).

Yeah, this is all very helpful but let's see whether we are even going
to need a tool, at all. If we are tool-less, we don't depend on any
userspace stuff and ucode application just works like ftrace - no need
for a specific tool but the shell and debugfs (sysfs in our case).

Thanks.

--
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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