linux-kernel - Re: [PATCH] pci: print out DMA mask info

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:	Fri, 10 Oct 2008 09:28:40 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Yinghai Lu" <yinghai@...nel.org>
Cc:	"FUJITA Tomonori" <fujita.tomonori@....ntt.co.jp>,
	grundler@...isc-linux.org, mingo@...e.hu, tglx@...utronix.de,
	hpa@...or.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH] pci: print out DMA mask info

On Friday, October 10, 2008 9:19 am Yinghai Lu wrote:
> another command line parameter for debug?

Sure, why not? :)

> anyway looking at dma_mask print out is interesting..., some uses 39,
> and some use 44bits...

Yeah, many devices have limitations that prevent them from doing full 64 or 32 
bit address cycles, so you'll see all sorts of values.


-- 
Jesse Barnes, Intel Open Source Technology Center
--
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/