linux-kernel - Re: [PATCH] DMAENGINE: add a slave buffer prep call

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20100811141219.GA5846@debian>
Date:	Wed, 11 Aug 2010 19:42:19 +0530
From:	Rabin Vincent <rabin@....in>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org, Sascha Hauer <s.hauer@...gutronix.de>
Subject: Re: [PATCH] DMAENGINE: add a slave buffer prep call

On Tue, Aug 10, 2010 at 11:46:06PM +0200, Linus Walleij wrote:
> This makes it possible for engines to implement slave transfers
> to be done to/from a simple kmalloc():ed memory buffer and not
> just from scatterlists.

Why is this needed?  Drivers can just pass in a single-entry scatterlist
to the existing API to achieve the same functionality, and a couple of
them already do so.

Rabin
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/