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From: Ingo Molnar <mingo@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Travis <travis@sgi.com>,
	mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com,
	msalter@redhat.com, dyoung@redhat.com, riel@redhat.com,
	peterz@infradead.org, mgorman@suse.de,
	linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 0/2] x86: Speed up ioremap operations
Date: Thu, 28 Aug 2014 08:48:25 +0200	[thread overview]
Message-ID: <20140828064825.GA6059@gmail.com> (raw)
In-Reply-To: <20140827160610.4ef142d28fd7f276efd38a51@linux-foundation.org>


* Andrew Morton <akpm@linux-foundation.org> wrote:

> On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis <travis@sgi.com> wrote:
> 
> > 
> > We have a large university system in the UK that is experiencing
> > very long delays modprobing the driver for a specific I/O device.
> > The delay is from 8-10 minutes per device and there are 31 devices
> > in the system.  This 4 to 5 hour delay in starting up those I/O
> > devices is very much a burden on the customer.
> 
> That's nuts.

Agreed, and I'd suggest marking this for -stable, once it's all 
settled and tested.

Thanks,

	Ingo

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WARNING: multiple messages have this Message-ID (diff)
From: Ingo Molnar <mingo@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Travis <travis@sgi.com>,
	mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com,
	msalter@redhat.com, dyoung@redhat.com, riel@redhat.com,
	peterz@infradead.org, mgorman@suse.de,
	linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 0/2] x86: Speed up ioremap operations
Date: Thu, 28 Aug 2014 08:48:25 +0200	[thread overview]
Message-ID: <20140828064825.GA6059@gmail.com> (raw)
In-Reply-To: <20140827160610.4ef142d28fd7f276efd38a51@linux-foundation.org>


* Andrew Morton <akpm@linux-foundation.org> wrote:

> On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis <travis@sgi.com> wrote:
> 
> > 
> > We have a large university system in the UK that is experiencing
> > very long delays modprobing the driver for a specific I/O device.
> > The delay is from 8-10 minutes per device and there are 31 devices
> > in the system.  This 4 to 5 hour delay in starting up those I/O
> > devices is very much a burden on the customer.
> 
> That's nuts.

Agreed, and I'd suggest marking this for -stable, once it's all 
settled and tested.

Thanks,

	Ingo

  parent reply	other threads:[~2014-08-28  6:48 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-27 22:59 [PATCH 0/2] x86: Speed up ioremap operations Mike Travis
2014-08-27 22:59 ` Mike Travis
2014-08-27 22:59 ` [PATCH 1/2] x86: Optimize resource lookups for ioremap Mike Travis
2014-08-27 22:59   ` Mike Travis
2014-08-27 23:05   ` Andrew Morton
2014-08-27 23:05     ` Andrew Morton
2014-08-27 23:09     ` Mike Travis
2014-08-27 23:09       ` Mike Travis
2014-08-27 23:18       ` Andrew Morton
2014-08-27 23:18         ` Andrew Morton
2014-08-27 23:25         ` Mike Travis
2014-08-27 23:25           ` Mike Travis
2014-08-27 23:37           ` Andrew Morton
2014-08-27 23:37             ` Andrew Morton
2014-08-27 23:54             ` Mike Travis
2014-08-27 23:54               ` Mike Travis
2014-08-28  0:21               ` Andrew Morton
2014-08-28  0:21                 ` Andrew Morton
2014-08-27 22:59 ` [PATCH 2/2] x86: Use optimized ioresource lookup in ioremap function Mike Travis
2014-08-27 22:59   ` Mike Travis
2014-08-27 23:06 ` [PATCH 0/2] x86: Speed up ioremap operations Andrew Morton
2014-08-27 23:06   ` Andrew Morton
2014-08-27 23:15   ` Mike Travis
2014-08-27 23:15     ` Mike Travis
2014-08-27 23:20     ` Andrew Morton
2014-08-27 23:20       ` Andrew Morton
2014-08-27 23:30       ` Mike Travis
2014-08-27 23:30         ` Mike Travis
2014-08-28  6:48   ` Ingo Molnar [this message]
2014-08-28  6:48     ` Ingo Molnar
  -- strict thread matches above, loose matches on Subject: below --
2014-08-29 19:16 Mike Travis
2014-08-29 19:16 ` Mike Travis
2014-08-29 19:53 Mike Travis
2014-08-29 19:53 ` Mike Travis
2014-08-29 20:16 ` Andrew Morton
2014-08-29 20:16   ` Andrew Morton
2014-08-29 20:44   ` Mike Travis
2014-08-29 20:44     ` Mike Travis
2014-08-29 20:52     ` Andrew Morton
2014-08-29 20:52       ` Andrew Morton
2014-08-29 22:31       ` Greg KH
2014-08-29 22:31         ` Greg KH

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