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

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Message-ID: <20130522200012.GA15456@redhat.com>
Date:	Wed, 22 May 2013 16:00:12 -0400
From:	Dave Jones <davej@...hat.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>, x86@...nel.org
Subject: Re: microcode loading got really slow.

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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