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From: Tejun Heo <htejun@gmail.com>
To: Nicolas Pitre <nico@cam.org>
Cc: Jens Axboe <axboe@suse.de>,
	James Bottomley <James.Bottomley@SteelEye.com>,
	Dave Miller <davem@redhat.com>,
	bzolnier@gmail.com, james.steward@dynamicratings.com,
	jgarzik@pobox.com, lkml <linux-kernel@vger.kernel.org>,
	mattjreimer@gmail.com
Subject: Re: [PATCHSET] block: fix PIO cache coherency bug
Date: Tue, 30 May 2006 20:19:36 +0900	[thread overview]
Message-ID: <447C2A48.1050200@gmail.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0605291509370.11290@localhost.localdomain>

Nicolas Pitre wrote:
> Has any discussion about this problem lead to some consensus?

Argghhh.. I completely forgot about this.

>> What do you think of the kmap_atomic_pio() (notoriously bad at names,
>> but it should get the point across) and kunmap_atomic_pio(), the latter
>> accepting a read/write flag to note if we wrote to a vm page?
>>
>> This is basically Tejuns original patch set, just moving it out of the
>> block layer so it's a generel exported property of the kmap api.
> 
> What was the problem with Tejun's patchset already to which RMK (and 
> many others) agreed?
> 
> I do have hardware that exhibits the problem and therefore I wish the 
> discussion could be resumed.

I'll follow up soon.  Sorry.

-- 
tejun

  reply	other threads:[~2006-05-30  2:19 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-13 15:24 Tejun Heo
2006-01-13 15:24 ` [PATCH 1/8] highmem: include asm/kmap_types.h in linux/highmem.h Tejun Heo
2006-01-13 15:24 ` [PATCH 2/8] block: implement blk kmap helpers Tejun Heo
2006-01-13 15:24 ` [PATCH 3/8] block: convert bio kmap helpers to use blk_kmap helpers Tejun Heo
2006-01-13 15:24 ` [PATCH 5/8] block: convert libata " Tejun Heo
2006-01-13 15:24 ` [PATCH 4/8] block: convert IDE " Tejun Heo
2006-02-14 19:07   ` Matt Reimer
2006-02-15  2:05     ` Tejun Heo
2006-02-16 18:01       ` Russell King
2006-02-16 18:10         ` Linus Torvalds
2006-02-16 19:02           ` Russell King
2006-01-13 15:24 ` [PATCH 6/8] block: convert scsi " Tejun Heo
2006-01-13 15:24 ` [PATCH 7/8] block: convert block/rd.c " Tejun Heo
2006-01-13 15:24 ` [PATCH 8/8] block: convert md " Tejun Heo
2006-01-13 15:37 ` [PATCHSET] block: fix PIO cache coherency bug Jens Axboe
2006-01-13 15:47 ` Bartlomiej Zolnierkiewicz
2006-01-13 15:50 ` James Bottomley
2006-01-13 18:20   ` Russell King
2006-01-13 18:35     ` James Bottomley
2006-01-13 19:06       ` Russell King
2006-02-22  8:27         ` Tejun Heo
2006-03-02 18:46           ` James Bottomley
2006-03-02 20:30             ` Russell King
2006-03-02 20:43               ` James Bottomley
2006-03-02 20:57                 ` Russell King
2006-03-02 20:44               ` Jens Axboe
2006-05-29 19:17                 ` Nicolas Pitre
2006-05-30 11:19                   ` Tejun Heo [this message]
2006-05-30 21:07                     ` Guennadi Liakhovetski
2006-05-30 21:32                       ` Nicolas Pitre
2006-05-31  0:57                       ` David S. Miller
2006-03-02 20:40           ` Jens Axboe
2006-03-20 16:12           ` James Bottomley
2006-03-20 16:26             ` Tejun Heo
2006-03-20 16:33               ` James Bottomley
2006-03-20 16:40                 ` Tejun Heo
2006-03-20 16:48                   ` James Bottomley
2006-03-23 14:23               ` James Bottomley
2006-03-20 16:50             ` Randy.Dunlap
2006-03-20 16:52               ` James Bottomley
2006-01-13 22:02 ` Russell King
2006-01-13 22:38   ` James Bottomley
2006-01-13 22:43     ` David S. Miller
2006-01-14  4:58       ` James Bottomley
2006-01-17 15:00 ` Jeff Garzik

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