From: Herbert Xu <herbert@gondor.apana.org.au>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: "David S. Miller" <davem@davemloft.net>,
linux-crypto@vger.kernel.org, Arnaud Ebalard <arno@natisbad.org>,
Tawfik Bayouk <tawfik@marvell.com>,
Lior Amsalem <alior@marvell.com>,
Nadav Haklai <nadavh@marvell.com>,
Eran Ben-Avi <benavi@marvell.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Gregory CLEMENT <gregory.clement@free-electrons.com>,
Jason Cooper <jason@lakedaemon.net>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Andrew Lunn <andrew@lunn.ch>, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Imre Kaloz <kaloz@openwrt.org>
Subject: Re: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support
Date: Thu, 18 Jun 2015 09:41:32 +0800 [thread overview]
Message-ID: <20150618014132.GA26238@gondor.apana.org.au> (raw)
In-Reply-To: <20150617173402.7946bbb0@bbrezillon>
On Wed, Jun 17, 2015 at 05:34:02PM +0200, Boris Brezillon wrote:
>
> I can check for that too, but note that it doesn't prevent one from
> providing different scatterlist structures pointing to the same memory
> region.
Pointing to the same memory should be fine, it's the act of passing
the same SG list to dma_map_sg twice that's wrong because dma_map_sg
will modify the SG list.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
WARNING: multiple messages have this Message-ID (diff)
From: herbert@gondor.apana.org.au (Herbert Xu)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support
Date: Thu, 18 Jun 2015 09:41:32 +0800 [thread overview]
Message-ID: <20150618014132.GA26238@gondor.apana.org.au> (raw)
In-Reply-To: <20150617173402.7946bbb0@bbrezillon>
On Wed, Jun 17, 2015 at 05:34:02PM +0200, Boris Brezillon wrote:
>
> I can check for that too, but note that it doesn't prevent one from
> providing different scatterlist structures pointing to the same memory
> region.
Pointing to the same memory should be fine, it's the act of passing
the same SG list to dma_map_sg twice that's wrong because dma_map_sg
will modify the SG list.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2015-06-18 1:42 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-17 7:45 [PATCH v6 00/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 01/14] crypto: mv_cesa: document the clocks property Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 02/14] crypto: mv_cesa: use gen_pool to reserve the SRAM memory region Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 03/14] crypto: mv_cesa: explicitly define kirkwood and dove compatible strings Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 04/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 05/14] crypto: marvell/CESA: add TDMA support Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 9:50 ` Herbert Xu
2015-06-17 9:50 ` Herbert Xu
2015-06-17 11:33 ` Boris Brezillon
2015-06-17 11:33 ` Boris Brezillon
2015-06-17 12:25 ` Herbert Xu
2015-06-17 12:25 ` Herbert Xu
2015-06-17 13:32 ` [PATCH v7 " Boris Brezillon
2015-06-17 13:32 ` Boris Brezillon
2015-06-17 15:08 ` Herbert Xu
2015-06-17 15:08 ` Herbert Xu
2015-06-17 15:34 ` Boris Brezillon
2015-06-17 15:34 ` Boris Brezillon
2015-06-17 15:34 ` Boris Brezillon
2015-06-17 15:58 ` Boris Brezillon
2015-06-17 15:58 ` Boris Brezillon
2015-06-17 15:58 ` Boris Brezillon
2015-06-17 15:58 ` Boris Brezillon
2015-06-18 1:42 ` Herbert Xu
2015-06-18 1:42 ` Herbert Xu
2015-06-18 1:41 ` Herbert Xu [this message]
2015-06-18 1:41 ` Herbert Xu
2015-06-18 9:04 ` [PATCH v6 " Russell King - ARM Linux
2015-06-18 9:04 ` Russell King - ARM Linux
2015-06-18 9:04 ` Russell King - ARM Linux
2015-06-18 9:04 ` Russell King - ARM Linux
2015-06-18 9:33 ` Boris Brezillon
2015-06-18 9:33 ` Boris Brezillon
2015-06-18 9:33 ` Boris Brezillon
2015-06-18 9:33 ` Boris Brezillon
2015-06-18 9:48 ` Russell King - ARM Linux
2015-06-18 9:48 ` Russell King - ARM Linux
2015-06-18 9:48 ` Russell King - ARM Linux
2015-06-18 9:48 ` Russell King - ARM Linux
2015-06-18 9:52 ` Boris Brezillon
2015-06-18 9:52 ` Boris Brezillon
2015-06-18 9:52 ` Boris Brezillon
2015-06-18 9:52 ` Boris Brezillon
2015-06-18 9:37 ` Herbert Xu
2015-06-18 9:37 ` Herbert Xu
2015-06-18 9:37 ` Herbert Xu
2015-06-18 9:37 ` Herbert Xu
2015-06-17 7:45 ` [PATCH v6 06/14] crypto: marvell/CESA: add DES support Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-18 6:57 ` Boris Brezillon
2015-06-18 6:57 ` Boris Brezillon
2015-06-18 6:57 ` Boris Brezillon
2015-06-18 6:57 ` Boris Brezillon
2015-06-18 7:02 ` Herbert Xu
2015-06-18 7:02 ` Herbert Xu
2015-06-18 7:02 ` Herbert Xu
2015-06-18 7:02 ` Herbert Xu
2015-06-17 7:45 ` [PATCH v6 07/14] crypto: marvell/CESA: add Triple-DES support Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 08/14] crypto: marvell/CESA: add MD5 support Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 09/14] crypto: marvell/CESA: add SHA256 support Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 10/14] crypto: marvell/CESA: add support for all armada SoCs Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 11/14] crypto: marvell/CESA: add allhwsupport module parameter Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 12/14] crypto: marvell/CESA: add support for Orion SoCs Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 13/14] crypto: marvell/CESA: add support for Kirkwood and Dove SoCs Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` [PATCH v6 14/14] crypto: marvell/CESA: add DT bindings documentation Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
2015-06-17 7:45 ` Boris Brezillon
-- strict thread matches above, loose matches on Subject: below --
2015-06-18 13:46 [PATCH v7 00/14] crypto: add a new driver for Marvell's CESA Boris Brezillon
2015-06-18 13:46 ` [PATCH v7 05/14] crypto: marvell/CESA: add TDMA support Boris Brezillon
2015-06-18 13:46 ` Boris Brezillon
2015-06-18 13:46 ` Boris Brezillon
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