From: <Sergej.Stepanov@ids.de>
To: <chris.pringle@oxtel.com>, <scottwood@freescale.com>
Cc: <linuxppc-dev@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>
Subject: AW: PowerPC PCI DMA issues (prefetch/coherency?)
Date: Mon, 22 Jun 2009 16:31:07 +0200 [thread overview]
Message-ID: <4206182445660643B9AEB8D4E55BBD0A08533B67B5@HERMES2> (raw)
In-Reply-To: <4A3A23FA.1000407@oxtel.com>
>The other part of the fix is in asm-powerpc/pgtable32.h. _PAGE_BASE
>needs _PAGE_COHERENT in order to work correctly, and in fact there is
>now a comment in there to that affect in 2.6.29. Backporting that change
>has made it work on 2.6.26. Both this patch, and the fix to head_32.S
>are needed for it to work correctly on older kernels.
>
>Chris
Hello Chris,
sorry for dummy, but if it possible, could you, please, send a corresponding summary patch of backporting you've done for older kernels?
or just summary of that changes once again?
Many thanks
Sergej.
WARNING: multiple messages have this Message-ID (diff)
From: <Sergej.Stepanov@ids.de>
To: <chris.pringle@oxtel.com>, <scottwood@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: AW: PowerPC PCI DMA issues (prefetch/coherency?)
Date: Mon, 22 Jun 2009 16:31:07 +0200 [thread overview]
Message-ID: <4206182445660643B9AEB8D4E55BBD0A08533B67B5@HERMES2> (raw)
In-Reply-To: <4A3A23FA.1000407@oxtel.com>
>The other part of the fix is in asm-powerpc/pgtable32.h. _PAGE_BASE
>needs _PAGE_COHERENT in order to work correctly, and in fact there is
>now a comment in there to that affect in 2.6.29. Backporting that change
>has made it work on 2.6.26. Both this patch, and the fix to head_32.S
>are needed for it to work correctly on older kernels.
>
>Chris
Hello Chris,
sorry for dummy, but if it possible, could you, please, send a correspondin=
g summary patch of backporting you've done for older kernels?
or just summary of that changes once again?
Many thanks
Sergej.=
next prev parent reply other threads:[~2009-06-22 14:56 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-16 13:58 PowerPC PCI DMA issues (prefetch/coherency?) Chris Pringle
2009-06-16 14:16 ` Michael S. Zick
2009-06-16 14:59 ` Hu Gang
2009-06-16 16:21 ` Scott Wood
2009-06-16 16:34 ` Chris Pringle
2009-06-16 16:46 ` Scott Wood
2009-06-16 16:46 ` Scott Wood
2009-06-16 16:57 ` Chris Pringle
2009-06-16 16:57 ` Chris Pringle
2009-06-16 17:03 ` Scott Wood
2009-06-16 17:03 ` Scott Wood
2009-06-16 17:43 ` Arnd Bergmann
2009-06-16 17:49 ` Scott Wood
2009-06-16 17:49 ` Scott Wood
2009-06-16 18:02 ` Arnd Bergmann
2009-06-16 18:02 ` Arnd Bergmann
2009-06-17 0:18 ` Benjamin Herrenschmidt
2009-06-17 0:37 ` FUJITA Tomonori
2009-06-17 0:37 ` FUJITA Tomonori
2009-06-17 0:56 ` Leon Woestenberg
2009-06-17 0:56 ` Leon Woestenberg
2009-06-17 1:08 ` Benjamin Herrenschmidt
2009-06-17 1:08 ` Benjamin Herrenschmidt
2009-06-17 1:13 ` Leon Woestenberg
2009-06-17 1:13 ` Leon Woestenberg
2009-06-17 1:07 ` Benjamin Herrenschmidt
2009-06-17 1:07 ` Benjamin Herrenschmidt
2009-06-17 7:58 ` Chris Pringle
2009-06-17 7:58 ` Chris Pringle
2009-06-17 13:18 ` Chris Pringle
2009-06-18 11:24 ` Chris Pringle
2009-06-22 14:31 ` Sergej.Stepanov [this message]
2009-06-22 14:31 ` AW: " Sergej.Stepanov
2009-06-29 8:11 ` Chris Pringle
2009-09-02 21:22 Adam Zilkie
2009-09-03 8:05 ` Chris Pringle
2009-09-03 9:57 ` Benjamin Herrenschmidt
2009-09-03 16:04 ` Adam Zilkie
2009-09-03 16:21 ` Josh Boyer
2009-09-03 20:27 ` Prodyut Hazarika
2009-09-08 18:01 ` Adam Zilkie
2009-09-08 18:59 ` Prodyut Hazarika
2009-09-08 19:30 ` Adam Zilkie
2009-09-08 19:56 ` Prodyut Hazarika
2009-09-08 20:00 ` Adam Zilkie
2009-09-09 1:34 ` Benjamin Herrenschmidt
2009-09-08 21:34 ` Benjamin Herrenschmidt
2009-09-09 13:28 ` Mikhail Zolotaryov
2009-09-09 13:43 ` Tom Burns
2009-09-09 14:12 ` Mikhail Zolotaryov
2009-09-09 14:10 ` Tom Burns
2009-09-09 14:40 ` Mikhail Zolotaryov
2009-09-11 1:57 ` Benjamin Herrenschmidt
2009-09-11 7:17 ` Mikhail Zolotaryov
2009-09-11 7:31 ` Benjamin Herrenschmidt
2009-09-11 1:57 ` Benjamin Herrenschmidt
2009-09-10 19:53 ` Tom Burns
2009-09-10 20:30 ` Pravin Bathija
2009-09-11 2:44 ` Benjamin Herrenschmidt
2009-09-11 5:12 ` Stefan Roese
2009-09-11 5:17 ` Benjamin Herrenschmidt
2009-09-11 5:25 ` Stefan Roese
2009-09-11 5:35 ` Pravin Bathija
2009-09-11 5:40 ` Benjamin Herrenschmidt
2009-09-11 9:23 ` Pravin Bathija
2009-09-11 1:59 ` Benjamin Herrenschmidt
2009-09-11 16:05 ` Prodyut Hazarika
2009-09-11 1:55 ` Benjamin Herrenschmidt
2009-09-11 13:51 ` Tom Burns
2009-09-08 21:29 ` Benjamin Herrenschmidt
2009-09-03 12:20 ` Wrobel Heinz-R39252
2009-09-03 12:43 ` Chris Pringle
2009-09-06 21:32 ` Benjamin Herrenschmidt
2009-09-03 15:54 ` Adam Zilkie
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