linux-kernel - Re: [PATCH] x86, microcode, AMD: Add support for family 16h processors

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Date:	Sat, 17 Nov 2012 20:54:38 +0100
From:	Andreas Herrmann <herrmann.der.user@...glemail.com>
To:	Gene Heskett <gheskett@...v.com>
Cc:	Henrique de Moraes Holschuh <hmh@....eng.br>,
	Boris Ostrovsky <boris.ostrovsky@....com>, hpa@...or.com,
	mingo@...e.hu, tglx@...utronix.de, bp@...en8.de,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, microcode, AMD: Add support for family 16h
 processors

On Thu, Nov 15, 2012 at 06:01:22PM -0500, Gene Heskett wrote:
> On Thursday 15 November 2012, Henrique de Moraes Holschuh wrote:
> >On Thu, 15 Nov 2012, Boris Ostrovsky wrote:
> >> Add valid patch size for family 16h processors
> >> 
> >> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@....com>
> >
> >Is this something that needs to go to -stable ?
> 
> IMO, and if I had an oar in this water, yes.  Its been missing since the 
> Intel folks started playing with it a couple years back up the log.  I 
> have the amd_ucode files in my /lib/firmware tree,
> 
> root@...ote:/opt/os9# ls -l /lib/firmware/amd-ucode/
> total 76
> -rw-r--r-- 1 root root   642 2012-01-17 11:50 INSTALL
> -rw-r--r-- 1 root root  9987 2012-01-17 11:50 LICENSE
> -rw-r--r-- 1 root root 12404 2012-01-17 11:50 microcode_amd.bin
> -rw-r--r-- 1 root root  1526 2012-01-17 11:50 microcode_amd.bin.README
> -rw-r--r-- 1 root root  2644 2012-01-17 11:50 microcode_amd_fam15h.bin
> -rw-r--r-- 1 root root   510 2012-01-17 11:50 
> microcode_amd_fam15h.bin.README
> -rw-r--r-- 1 root root  2012 2009-01-20 04:48 microcode_amd.phenom-V83
> -rw-r--r-- 1 root root 15020 2012-01-17 11:50 microcode_amd_solaris.bin
> -rw-r--r-- 1 root root  1685 2012-01-17 11:50 
> microcode_amd_solaris.bin.README
> -rw-r--r-- 1 root root  6227 2012-01-17 11:50 README
> 
> but I can't recall the last time I saw the code sign in during dmesg.

Is the microcode module actually loaded on your system?
If yes,
	is CONFIG_MICROCODE_AMD set?
	If yes, please provide dmesg.

If not, please load manually (modprobe microcode) and what's your
distro?


Thanks,

Andreas
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