linux-kernel - Re: [PATCH 6/6] atmel

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: <20080123150436.75fe469c@lxorguk.ukuu.org.uk>
Date:	Wed, 23 Jan 2008 15:04:36 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Haavard Skinnemoen <hskinnemoen@...el.com>
Cc:	Marc Pignat <marc.pignat@...s.ch>,
	Andrew Victor <linux@...im.org.za>, kernel@...32linux.org,
	linux-kernel@...r.kernel.org, Remy Bohmer <linux@...mer.net>,
	Chip Coldwell <coldwell@...hat.com>
Subject: Re: [PATCH 6/6] atmel_serial: Add DMA support

> No, I think GFP_DMA is for legacy ISA DMA and other DMA controllers
> with addressing limitations. The PDC is capable of accessing the full
> 32-bit physical address space on both AT91 and AVR32, so no special DMA
> flags are needed.

For kernel coherent DMA buffers use the dma_ API to allocate the memory.

--
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/