From: Borislav Petkov <bp@amd64.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Peter Zijlstra <peterz@infradead.org>,
Borislav Petkov <bp@amd64.org>,
"Yu, Fenghua" <fenghua.yu@intel.com>, X86-ML <x86@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
Andreas Herrmann <andreas.herrmann3@amd.com>
Subject: Re: [PATCH 2/2] x86, microcode: Make reload interface per system
Date: Thu, 21 Jun 2012 01:26:32 +0200 [thread overview]
Message-ID: <20120620232632.GE2016@aftab.osrc.amd.com> (raw)
In-Reply-To: <20120620232117.GC4223@khazad-dum.debian.net>
On Wed, Jun 20, 2012 at 08:21:17PM -0300, Henrique de Moraes Holschuh wrote:
> > Right, so since we're mucking about with the whole interface anyway,
> > can't we fix this too?
>
> Please!
>
> Just make it attempt to load a statically named firmware file first, and
> fall back to the older variable naming.
>
> If the reason for the weird naming is a size concern, "iucode_tool
> --scan-system -w /lib/firmware/intel-ucode/x86.bin" (or whatever you name
> it) would create a file with just the microcode required by the (online)
> processors in the running system.
But why go to all that trouble? Why not just load the single blob and
let the ucode driver figure out which patch is needed?
The way we do it, btw.
--
Regards/Gruss,
Boris.
Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
HRB Nr. 43632 WEEE Registernr: 129 19551
next prev parent reply other threads:[~2012-06-20 23:26 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-19 16:03 [PATCH 0/2] x86, microcode: Reload ucode only per-system Borislav Petkov
2012-06-19 16:03 ` [PATCH 1/2] x86, microcode: Sanitize per-cpu microcode reloading interface Borislav Petkov
2012-06-19 18:25 ` Henrique de Moraes Holschuh
[not found] ` <CANDHA0iu+QtQn=UxjpN34U=Ob4ABkZc4VWpPT5EidAgZm59JJQ@mail.gmail.com>
2012-06-19 23:15 ` Yu, Fenghua
2012-06-19 23:38 ` Borislav Petkov
2012-06-19 16:03 ` [PATCH 2/2] x86, microcode: Make reload interface per system Borislav Petkov
2012-06-19 18:26 ` Henrique de Moraes Holschuh
[not found] ` <CANDHA0jf2fLOtg1E6CbyNM=omn=kj=YoRJ3VTkNA0AhkS-MLtg@mail.gmail.com>
2012-06-19 23:10 ` Yu, Fenghua
2012-06-19 23:28 ` Borislav Petkov
2012-06-20 3:26 ` Henrique de Moraes Holschuh
2012-06-20 9:57 ` Borislav Petkov
2012-06-20 23:10 ` Henrique de Moraes Holschuh
2012-06-20 8:59 ` Peter Zijlstra
2012-06-20 9:56 ` Borislav Petkov
2012-06-20 10:08 ` Peter Zijlstra
2012-06-20 10:19 ` Borislav Petkov
2012-06-20 10:22 ` Peter Zijlstra
2012-06-20 10:27 ` Borislav Petkov
2012-06-20 10:33 ` Peter Zijlstra
2012-06-20 11:09 ` Borislav Petkov
2012-06-22 18:57 ` H. Peter Anvin
2012-06-23 1:54 ` Henrique de Moraes Holschuh
2012-06-23 2:26 ` H. Peter Anvin
2012-06-20 23:21 ` Henrique de Moraes Holschuh
2012-06-20 23:26 ` Borislav Petkov [this message]
2012-06-22 16:26 ` Nix
2012-06-22 18:21 ` H. Peter Anvin
2012-06-23 1:32 ` Henrique de Moraes Holschuh
2012-06-20 23:08 ` Henrique de Moraes Holschuh
2012-06-20 23:10 ` H. Peter Anvin
2012-06-20 23:23 ` Borislav Petkov
2012-06-20 23:27 ` H. Peter Anvin
2012-06-20 23:32 ` Borislav Petkov
2012-06-20 23:34 ` H. Peter Anvin
2012-06-20 23:46 ` Borislav Petkov
2012-06-20 23:48 ` H. Peter Anvin
2012-06-21 10:07 ` Borislav Petkov
2012-06-21 23:27 ` H. Peter Anvin
2012-06-22 2:56 ` Borislav Petkov
2012-06-22 3:19 ` H. Peter Anvin
2012-06-22 3:36 ` Borislav Petkov
2012-06-22 6:41 ` Markus Trippelsdorf
2012-06-20 23:59 ` Henrique de Moraes Holschuh
2012-06-20 23:50 ` Henrique de Moraes Holschuh
2012-06-21 0:02 ` Henrique de Moraes Holschuh
2012-06-21 8:24 ` Peter Zijlstra
2012-06-21 9:58 ` Borislav Petkov
2012-06-21 23:28 ` H. Peter Anvin
2012-06-21 23:00 ` Henrique de Moraes Holschuh
2012-06-22 3:01 ` Borislav Petkov
2012-06-20 13:18 ` Borislav Petkov
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