linux-kernel - Re: x86, microcode: BUG: microcode update that changes x86

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Message-ID: <20140929115137.GB20150@khazad-dum.debian.net>
Date:	Mon, 29 Sep 2014 08:51:37 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Borislav Petkov <bp@...en8.de>,
	Chuck Ebbert <cebbert.lkml@...il.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: x86, microcode: BUG: microcode update that changes x86_capability

On Fri, 19 Sep 2014, Henrique de Moraes Holschuh wrote:
> On Fri, 19 Sep 2014, Henrique de Moraes Holschuh wrote:
> > I'm filling a bug on Debian glibc, asking them to blacklist HLE until
> > further notice.
> 
> FWIW, https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=762195

Also, glibc lock elision removed from Fedora 20, 21, rawhide due to this
issue:

http://journal.siddhesh.in/posts/buggy-hle-microcode-updates-and-sigills.html

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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