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From: Ingo Molnar <mingo@elte.hu>
To: Zachary Amsden <zach@vmware.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>,
	"Maciej W. Rozycki" <macro@linux-mips.org>,
	Yinghai Lu <yhlu.kernel@gmail.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: [PATCH] x86: APIC: Remove apic_write_around(); use alternatives
Date: Sat, 19 Jul 2008 23:43:29 +0200	[thread overview]
Message-ID: <20080719214329.GA836@elte.hu> (raw)
In-Reply-To: <1216424592.30348.33.camel@bodhitayantram.eng.vmware.com>


* Zachary Amsden <zach@vmware.com> wrote:

> On Fri, 2008-07-18 at 15:49 -0700, Suresh Siddha wrote:
> 
> > > Thank you for cleaning this up Yinghai, but this really begs the
> > > question - is having write_atomic REALLY worthwhile?
> > 
> > And this thread is about,  Maciej's cleanup patch which removed
> > write_atomic completely :)
> > 
> > Thanks to Maciej who posted this fix. It was on my todo list for
> > sometime now!
> 
> Awesome!  I just felt the need to use 'flaming crap' in a sentence 
> today, and broken APICs seemed like an easy target.  Glad to know it's 
> gone.

it's gone, but without breaking or limiting old hardware: it's done by 
moving the code into a quirk. And that's the general direction which we 
want to take in such cases - move ugly non-standard stuff into 
low-maintenance-overhead quirks.

	Ingo

  reply	other threads:[~2008-07-19 21:44 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-16 18:15 Maciej W. Rozycki
2008-07-18 10:52 ` Ingo Molnar
2008-07-18 16:25   ` Yinghai Lu
2008-07-18 17:01     ` Yinghai Lu
2008-07-18 21:03       ` Ingo Molnar
2008-07-18 21:13         ` Yinghai Lu
2008-07-18 22:02           ` Maciej W. Rozycki
2008-07-18 22:42             ` Zachary Amsden
2008-07-18 22:49               ` Suresh Siddha
2008-07-18 22:51                 ` Yinghai Lu
2008-07-18 23:00                   ` Suresh Siddha
2008-07-18 23:04                     ` Yinghai Lu
2008-07-18 23:18                       ` Suresh Siddha
2008-07-19 21:49                         ` Ingo Molnar
2008-07-19 21:53                           ` Ingo Molnar
2008-07-20 12:08                             ` Ingo Molnar
2008-07-20 15:04                               ` Ingo Molnar
2008-07-21 17:59                               ` Suresh Siddha
2008-07-22 13:24                                 ` Yong Wang
2008-07-22 13:48                                   ` Ingo Molnar
2008-07-18 23:43                 ` Zachary Amsden
2008-07-19 21:43                   ` Ingo Molnar [this message]
2008-07-18 22:58         ` Suresh Siddha
2008-07-19 21:47           ` Ingo Molnar

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