linux-kernel - Re: [PATCH 03/13] scsi: unify allocation of scsi command and sense buffer

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: <4A1C1331.8060304@panasas.com>
Date:	Tue, 26 May 2009 19:05:05 +0300
From:	Boaz Harrosh <bharrosh@...asas.com>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
CC:	James.Bottomley@...senPartnership.com, jens.axboe@...cle.com,
	rdreier@...co.com, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, chris.mason@...cle.com,
	david@...morbit.com, hch@...radead.org, akpm@...ux-foundation.org,
	jack@...e.cz, yanmin_zhang@...ux.intel.com,
	linux-scsi@...r.kernel.org
Subject: Re: [PATCH 03/13] scsi: unify allocation of scsi command and sense
 buffer

On 05/26/2009 06:31 PM, FUJITA Tomonori wrote:
> 
> Can we just fix some drivers not to do the DMA with the sense buffer in
> scsi_cmnd? IIRC, there are only five or six drivers that do such.

This is not so.
All drivers that go through scsi_eh_prep_cmnd() will eventually DMA through
the regular read path. Including all the drivers that do nothing and let
scsi-ml do the REQUEST_SENSE

Actually I have exact numbers, from the last time I did all that

Boaz
--
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/