From: Thomas Gleixner <tglx@linutronix.de>
To: "Raj, Ashok" <ashok.raj@intel.com>
Cc: Johannes Erdfelt <johannes@erdfelt.com>,
Borislav Petkov <bp@alien8.de>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Mihai Carabas <mihai.carabas@oracle.com>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
Jon Grimm <Jon.Grimm@amd.com>,
kanth.ghatraju@oracle.com, konrad.wilk@oracle.com,
patrick.colp@oracle.com, Tom Lendacky <thomas.lendacky@amd.com>,
x86-ml <x86@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86/microcode: Add an option to reload microcode even if revision is unchanged
Date: Sat, 7 Sep 2019 12:37:11 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.21.1909071236120.1902@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20190907003338.GA14807@araj-mobl1.jf.intel.com>
On Fri, 6 Sep 2019, Raj, Ashok wrote:
> On Fri, Sep 06, 2019 at 11:16:00PM +0200, Thomas Gleixner wrote:
> > Now #1 is actually a sensible and feasible solution which can be pulled off
> > in a reasonably short time frame, avoids all the bound to be ugly and
> > failure laden attempts of fixing late loading completely and provides a
> > usable and safe solution for joe user, jack admin and the super experts at
> > big-cloud corporate.
> >
> > That is not requiring any new format of microcode payload, as this can be
> > nicely done as a metadata package which comes with the microcode
> > payload. So you get the following backwards compatible states:
> >
> > Kernel metadata result
> >
> > old don't care refuse late load
> >
> > new No refuse late load
> >
> > new Yes decide based on metadata
> >
> > Thoughts?
>
> This is 100% in line with what we proposed...
So what it hindering you to implement that? ucode teams whining about the
little bit of extra work?
Thanks,
tglx
next prev parent reply other threads:[~2019-09-07 10:37 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-29 5:33 [PATCH] x86/microcode: Add an option to reload microcode even if revision is unchanged Ashok Raj
2019-08-29 5:38 ` Raj, Ashok
2019-08-29 6:09 ` Borislav Petkov
2019-08-29 13:02 ` Raj, Ashok
2019-09-03 16:46 ` Borislav Petkov
2019-09-04 22:06 ` Boris Ostrovsky
2019-09-04 22:12 ` Boris Petkov
2019-09-05 0:21 ` Raj, Ashok
2019-09-05 7:20 ` Borislav Petkov
2019-09-05 10:51 ` Thomas Gleixner
2019-09-05 19:40 ` Raj, Ashok
2019-09-05 19:49 ` Borislav Petkov
2019-09-05 20:20 ` Raj, Ashok
2019-09-05 21:22 ` Thomas Gleixner
2019-09-05 22:27 ` Raj, Ashok
2019-09-06 7:46 ` Borislav Petkov
2019-09-06 12:51 ` Thomas Gleixner
2019-09-06 14:40 ` Johannes Erdfelt
2019-09-06 15:16 ` Borislav Petkov
2019-09-06 15:46 ` Johannes Erdfelt
2019-09-06 16:17 ` Borislav Petkov
2019-09-06 16:43 ` Konrad Rzeszutek Wilk
2019-09-06 17:10 ` Borislav Petkov
2019-09-06 16:52 ` Johannes Erdfelt
2019-09-06 17:17 ` Borislav Petkov
2019-09-06 21:16 ` Thomas Gleixner
2019-09-07 0:33 ` Raj, Ashok
2019-09-07 10:37 ` Thomas Gleixner [this message]
2019-09-16 10:36 ` Thomas Gleixner
2019-09-17 0:31 ` Raj, Ashok
2019-09-17 6:37 ` Thomas Gleixner
2019-09-17 6:46 ` Borislav Petkov
2019-09-17 14:29 ` Raj, Ashok
2019-09-19 19:48 ` Mihai Carabas
2019-09-06 16:55 ` Raj, Ashok
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