From: Krzysztof Halasa <khc@pm.waw.pl>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alain Knaff <alain@knaff.lu>,
markh@compro.net, fdutils@fdutils.linux.lu,
linux-kernel@vger.kernel.org
Subject: Re: DMA cache consistency bug introduced in 2.6.28
Date: Thu, 17 Dec 2009 19:21:40 +0100 [thread overview]
Message-ID: <m3aaxhjwaz.fsf@intrepid.localdomain> (raw)
In-Reply-To: <alpine.LFD.2.00.0912170916420.15740@localhost.localdomain> (Linus Torvalds's message of "Thu, 17 Dec 2009 09:27:56 -0800 (PST)")
Linus Torvalds <torvalds@linux-foundation.org> writes:
> On x86, where all caches are supposed to be totally coherent (except for
> I$ under very special circumstances),
BTW SWIOTLB is a non-coherent "cache" in some sense, though I'd be
surprised if it's related. Anyway mentioning $CPU and $RAM at the very
least would be a good idea in such cases.
--
Krzysztof Halasa
next prev parent reply other threads:[~2009-12-17 18:21 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
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2009-12-17 17:00 ` DMA cache consistency bug introduced in 2.6.28 (Was: Re: [Fdutils] Cannot format floppies under kernel 2.6.*?) Alain Knaff
2009-12-17 17:27 ` Linus Torvalds
2009-12-17 18:21 ` Krzysztof Halasa [this message]
2009-12-17 20:46 ` Alain Knaff
2009-12-17 21:14 ` Linus Torvalds
2009-12-17 22:11 ` Alain Knaff
2009-12-17 22:43 ` Linus Torvalds
2009-12-17 23:24 ` Alain Knaff
2009-12-18 8:59 ` Mark Hounschell
2009-12-18 10:55 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 (Was: " Mark Hounschell
2009-12-18 15:01 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 Krzysztof Halasa
2009-12-18 15:22 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 (Was: Re: Cannot format floppies under kernel 2.6.*?) Linus Torvalds
2009-12-18 15:28 ` Mark Hounschell
2009-12-18 15:45 ` Linus Torvalds
2009-12-18 20:04 ` Mark Hounschell
2009-12-18 20:15 ` Linus Torvalds
2009-12-22 15:11 ` Mark Hounschell
2009-12-22 17:38 ` Linus Torvalds
2009-12-22 17:57 ` Mark Hounschell
2009-12-22 23:37 ` Pallipadi, Venkatesh
2009-12-23 0:22 ` Mark Hounschell
2009-12-23 13:02 ` Mark Hounschell
2009-12-23 15:10 ` Pallipadi, Venkatesh
2009-12-23 15:34 ` Mark Hounschell
2009-12-23 15:57 ` Mark Hounschell
2009-12-23 16:31 ` Linus Torvalds
2009-12-23 16:38 ` [Fdutils] DMA cache consistency bug introduced in 2.6.28 Andi Kleen
2009-12-23 16:49 ` Linus Torvalds
2009-12-23 17:08 ` Andi Kleen
2009-12-25 12:21 ` Arjan van de Ven
2009-12-25 20:33 ` Andi Kleen
2009-12-26 9:38 ` Arjan van de Ven
2009-12-26 16:40 ` Andi Kleen
2009-12-27 12:28 ` Alain Knaff
2009-12-28 1:54 ` Andi Kleen
2009-12-28 10:27 ` Alain Knaff
2009-12-28 14:54 ` Andi Kleen
2009-12-27 11:09 ` Pavel Machek
2009-12-28 20:54 ` Mark Hounschell
2009-12-23 17:19 ` Pallipadi, Venkatesh
2009-12-23 17:16 ` Andi Kleen
2009-12-23 20:11 ` alain
2009-12-23 17:41 ` Mark Hounschell
2009-12-23 18:01 ` Linus Torvalds
2009-12-23 18:11 ` Mark Hounschell
2009-12-23 19:18 ` Pallipadi, Venkatesh
2009-12-23 19:35 ` Mark Hounschell
2009-12-23 20:30 ` Pallipadi, Venkatesh
2009-12-23 20:34 ` alain
2009-12-23 21:34 ` Pallipadi, Venkatesh
2010-01-08 17:42 ` Mark Hounschell
2010-01-12 0:19 ` Pallipadi, Venkatesh
2010-01-12 9:04 ` Mark Hounschell
2010-01-15 2:01 ` Pallipadi, Venkatesh
2010-01-15 9:39 ` Mark Hounschell
2010-01-15 18:02 ` Mark Hounschell
2010-01-21 19:09 ` [PATCH] x86: Disable HPET MSI on ATI SB700/SB800 Pallipadi, Venkatesh
2010-01-22 22:00 ` [tip:x86/urgent] " tip-bot for Pallipadi, Venkatesh
2010-01-23 6:51 ` tip-bot for Pallipadi, Venkatesh
2010-01-23 7:21 ` [PATCH] " Yuhong Bao
2010-01-25 17:10 ` Andreas Herrmann
2010-01-28 9:17 ` Mark Hounschell
2010-01-28 13:25 ` Mark Hounschell
2010-01-28 13:41 ` Borislav Petkov
2010-01-28 14:45 ` Mark Hounschell
2010-05-17 14:59 ` Andreas Herrmann
2010-05-17 15:10 ` Yuhong Bao
2010-05-17 15:12 ` Linus Torvalds
2010-05-17 16:46 ` Andreas Herrmann
2010-05-18 0:56 ` Robert Hancock
2010-05-18 1:02 ` Linus Torvalds
2010-05-18 1:06 ` Robert Hancock
2010-05-18 8:45 ` Andi Kleen
2010-05-18 23:22 ` Robert Hancock
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