linux-kernel - Re: microcode loading got really slow.

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Message-ID: <ebdf0a48-4f93-48da-a0a2-b601268c8fb2@email.android.com>
Date:	Wed, 22 May 2013 13:09:52 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Dave Jones <davej@...hat.com>
CC:	Linux Kernel <linux-kernel@...r.kernel.org>, x86@...nel.org,
	fenghua.yu@...el.com
Subject: Re: microcode loading got really slow.

A bisect would be appreciated.  Cc Fenghua.

Dave Jones <davej@...hat.com> wrote:

>On Wed, May 22, 2013 at 12:03:04PM -0700, H. Peter Anvin wrote:
> > On 05/21/2013 04:03 PM, Dave Jones wrote:
> > > In 3.10-rc2 I see this happening..
> > > 
> > > [   72.318133] microcode: CPU1 sig=0x306c3, pf=0x2, revision=0x6
> > > [  132.446449] microcode: CPU2 sig=0x306c3, pf=0x2, revision=0x6
> > > [  192.573101] microcode: CPU3 sig=0x306c3, pf=0x2, revision=0x6
>> > [  252.702055] microcode: Microcode Update Driver: v2.00
><tigran@...azian.fsnet.co.uk>, Peter Oruba
> > > 
>> > For some reason the events for udev seem to be getting delayed 60s
>for each core.
> > > 
> > > 	Dave
> > > 
> > 
> > Is this a regression from -rc1?
>
>No. Looks like it was introduced between 3.9 and 3.10-rc1
>
>I see bisecting in my future.
>
>	Dave

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