From: James Bottomley <James.Bottomley@SteelEye.com>
To: Russell King <rmk+lkml@arm.linux.org.uk>
Cc: Tejun Heo <htejun@gmail.com>, Jens Axboe <axboe@suse.de>,
Dave Miller <davem@redhat.com>,
bzolnier@gmail.com, jgarzik@pobox.com, mattjreimer@gmail.com,
Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
lkml <linux-kernel@vger.kernel.org>,
linux-ide@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: [PATCHSET] block: fix PIO cache coherency bug, take 2
Date: Mon, 05 Jun 2006 11:16:42 -0500 [thread overview]
Message-ID: <1149524202.3489.30.camel@mulgrave.il.steeleye.com> (raw)
In-Reply-To: <20060605154837.GD26666@flint.arm.linux.org.uk>
On Mon, 2006-06-05 at 16:48 +0100, Russell King wrote:
> When does the zero copy case occur?
Almost all user initiated I/O. Glibc tends to implement this as mmap
internally.
James
next prev parent reply other threads:[~2006-06-05 16:19 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-04 3:41 Tejun Heo
2006-06-04 3:41 ` [PATCH 1/5] arm: implement flush_kernel_dcache_page() Tejun Heo
2006-06-04 3:49 ` [PATCH 1/5] (REPOST) " Tejun Heo
2006-06-04 6:45 ` [PATCH 1/5] " David Miller
2006-06-04 6:53 ` Tejun Heo
2006-06-04 7:04 ` David Miller
2006-06-04 3:41 ` [PATCH 4/5] SCSI: add cpu cache flushes after kmapping and modifying a page Tejun Heo
2006-06-04 8:20 ` Christoph Hellwig
2006-06-04 9:13 ` Tejun Heo
2006-06-04 20:24 ` Guennadi Liakhovetski
2006-06-04 3:41 ` [PATCH 5/5] md: " Tejun Heo
2006-06-04 3:41 ` [PATCH 3/5] libata: " Tejun Heo
2006-06-04 3:41 ` [PATCH 2/5] ide: " Tejun Heo
2006-06-04 8:17 ` Christoph Hellwig
2006-06-04 9:09 ` Tejun Heo
2006-06-04 20:44 ` [PATCHSET] block: fix PIO cache coherency bug, take 2 Russell King
2006-06-04 22:23 ` Russell King
2006-06-05 14:27 ` James Bottomley
2006-06-05 14:44 ` Russell King
2006-06-05 15:24 ` James Bottomley
2006-06-05 15:34 ` Russell King
2006-06-05 15:47 ` James Bottomley
2006-06-05 15:48 ` Russell King
2006-06-05 16:16 ` James Bottomley [this message]
2006-06-05 16:37 ` Russell King
2006-06-05 13:43 ` James Bottomley
2006-06-06 11:00 ` Miklos Szeredi
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