From: Arjan van de Ven <arjan@infradead.org>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>, Mikael Pettersson <mikpe@it.uu.se>,
linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2.6.19 2/3] sata_promise: new EH conversion
Date: Sun, 03 Dec 2006 15:16:07 +0100 [thread overview]
Message-ID: <1165155367.3233.220.camel@laptopd505.fenrus.org> (raw)
In-Reply-To: <4572CEE7.502@gmail.com>
> But, having those flushes won't hurt either. What was the conclusion of
> mmio <-> spinlock sync discussion? I always feel kind of uncomfortable
> about readl() flushes. I think they're too subtle.
those are orthogonal!
The posting flushes have nothing to do with spinlock-vs-mmio; that
discussion was about the CPU, while posting flushes are about the
chipset / bridges / etc....
>
--
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org
next prev parent reply other threads:[~2006-12-03 14:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-01 9:58 Mikael Pettersson
2006-12-03 13:00 ` Tejun Heo
2006-12-03 13:03 ` Jeff Garzik
2006-12-03 13:19 ` Tejun Heo
2006-12-03 14:16 ` Arjan van de Ven [this message]
2006-12-06 9:38 ` Tejun Heo
2006-12-06 8:52 Mikael Pettersson
2006-12-06 9:40 ` Tejun Heo
2006-12-06 8:53 Mikael Pettersson
2006-12-06 9:13 ` Jeff Garzik
2006-12-06 9:19 ` Tejun Heo
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