linux-kernel - Re: [PATCH 2/3] dma: override "dma_flags_set

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]

Date:	Mon, 20 Aug 2007 09:07:09 -0700
From:	akepner@....com
To:	Jes Sorensen <jes@....com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>, rdreier@...co.com,
	linux-ia64 <linux-ia64@...r.kernel.org>
Subject: Re: [PATCH 2/3] dma: override "dma_flags_set_dmaflush" for sn-ia64

On Mon, Aug 20, 2007 at 10:24:53AM +0200, Jes Sorensen wrote:

> I'm a little concerned about changing the API for the dma_ foo
> functions, which are defined cross platform. If you want to change
> that, I think it will require updating the documentation explaining
> it.

Good idea. I'll post a documentation patchette.

> 
> Regarding ARCH_DOES_POSTED_DMA, is that sufficient as a #define or
> does it have to be run-time tested? (does it do anything at this
> stage). I ask since not all ia64 platforms do posted DMA.
> 

I think a #define is exactly what we want here. 

The newly #define-ed function (for now, and maybe forever) does 
nothing except on IA64_SGI_SN2, which does posted DMA. 

-- 
Arthur

-
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/