From: Russell King - ARM Linux <linux@arm.linux.org.uk>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Jamie Lokier <jamie@shareable.org>,
Saeed Bishara <saeed@marvell.com>,
Nicolas Pitre <nico@marvell.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
"Shilimkar, Santosh" <santosh.shilimkar@ti.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: Rampant ext3/4 corruption on 2.6.34-rc7 with VIVT ARM (Marvell 88f5182)
Date: Thu, 13 May 2010 00:08:41 +0100 [thread overview]
Message-ID: <20100512230841.GA10090@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1273704431.21352.136.camel@pasglop>
On Thu, May 13, 2010 at 08:47:11AM +1000, Benjamin Herrenschmidt wrote:
> Now, in the case at hand, which is my ARM based NAS, I believe this
> is non cache-coherent and thus uses cache flush ops. I don't know ARM
> well enough but I would expect these to be implicit barriers. Russell ?
> Nico ?
ARMv5 doesn't have a weak memory ordering model, and doesn't have any
memory barrier instructions.
WARNING: multiple messages have this Message-ID (diff)
From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: Rampant ext3/4 corruption on 2.6.34-rc7 with VIVT ARM (Marvell 88f5182)
Date: Thu, 13 May 2010 00:08:41 +0100 [thread overview]
Message-ID: <20100512230841.GA10090@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1273704431.21352.136.camel@pasglop>
On Thu, May 13, 2010 at 08:47:11AM +1000, Benjamin Herrenschmidt wrote:
> Now, in the case at hand, which is my ARM based NAS, I believe this
> is non cache-coherent and thus uses cache flush ops. I don't know ARM
> well enough but I would expect these to be implicit barriers. Russell ?
> Nico ?
ARMv5 doesn't have a weak memory ordering model, and doesn't have any
memory barrier instructions.
next prev parent reply other threads:[~2010-05-12 23:08 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-11 9:23 Rampant ext3/4 corruption on 2.6.34-rc7 with VIVT ARM (Marvell 88f5182) Benjamin Herrenschmidt
2010-05-11 9:23 ` Benjamin Herrenschmidt
2010-05-11 10:16 ` Jamie Lokier
2010-05-11 10:16 ` Jamie Lokier
2010-05-11 10:47 ` Benjamin Herrenschmidt
2010-05-11 10:47 ` Benjamin Herrenschmidt
2010-05-11 10:47 ` Benjamin Herrenschmidt
2010-05-11 10:57 ` Benjamin Herrenschmidt
2010-05-11 10:57 ` Benjamin Herrenschmidt
2010-05-11 11:14 ` Shilimkar, Santosh
2010-05-11 11:14 ` Shilimkar, Santosh
2010-05-12 22:21 ` Jamie Lokier
2010-05-12 22:21 ` Jamie Lokier
2010-05-12 22:47 ` Benjamin Herrenschmidt
2010-05-12 22:47 ` Benjamin Herrenschmidt
2010-05-12 22:47 ` Benjamin Herrenschmidt
2010-05-12 23:08 ` Russell King - ARM Linux [this message]
2010-05-12 23:08 ` Russell King - ARM Linux
2010-05-14 17:41 ` Jamie Lokier
2010-05-14 17:41 ` Jamie Lokier
2010-05-14 17:59 ` Russell King - ARM Linux
2010-05-14 17:59 ` Russell King - ARM Linux
2010-05-12 23:41 ` James Bottomley
2010-05-12 23:41 ` James Bottomley
2010-05-13 0:18 ` Benjamin Herrenschmidt
2010-05-13 0:18 ` Benjamin Herrenschmidt
2010-05-13 0:18 ` Benjamin Herrenschmidt
2010-05-13 15:39 ` James Bottomley
2010-05-13 15:39 ` James Bottomley
2010-05-13 23:53 ` Benjamin Herrenschmidt
2010-05-13 23:53 ` Benjamin Herrenschmidt
2010-05-13 23:53 ` Benjamin Herrenschmidt
2010-05-13 3:12 ` FUJITA Tomonori
2010-05-13 3:12 ` FUJITA Tomonori
2010-05-13 4:42 ` Benjamin Herrenschmidt
2010-05-13 4:42 ` Benjamin Herrenschmidt
2010-05-13 4:42 ` Benjamin Herrenschmidt
2010-05-12 15:00 ` Jan Kara
2010-05-12 15:00 ` Jan Kara
2010-05-12 22:13 ` Benjamin Herrenschmidt
2010-05-12 22:13 ` Benjamin Herrenschmidt
2010-05-13 0:15 ` Benjamin Herrenschmidt
2010-05-13 0:15 ` Benjamin Herrenschmidt
2010-05-13 15:12 ` Jan Kara
2010-05-13 15:12 ` Jan Kara
2010-05-13 21:33 ` Benjamin Herrenschmidt
2010-05-13 21:33 ` Benjamin Herrenschmidt
2010-05-13 23:51 ` Benjamin Herrenschmidt
2010-05-13 23:51 ` Benjamin Herrenschmidt
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