linux-kernel - Re: [PATCH 0/16] DMA-API debugging facility v2

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: <20090212144813.GA2125@8bytes.org>
Date:	Thu, 12 Feb 2009 15:48:13 +0100
From:	Joerg Roedel <joro@...tes.org>
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel@...r.kernel.org, fujita.tomonori@....ntt.co.jp,
	iommu@...ts.linux-foundation.org, mingo@...hat.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH 0/16] DMA-API debugging facility v2

On Thu, Feb 05, 2009 at 06:05:35PM -0800, Chris Wright wrote:

> (interesting hash_fn spread ;-)

Hmm, thats because all device addresses are 16kb aligned. The hashfn
uses bits 13 to 21 as the index for the hash. I can move this window up
to bits 18-26 if it improves the hash spread.

Joerg
--
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/