linux-kernel - Re: [PATCH RFT RESEND linux-next] mips: dma-mapping: support debug_dma_mapping

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, 26 Oct 2012 15:31:39 -0700
From:	David Daney <ddaney.cavm@...il.com>
To:	shuah.khan@...com
CC:	ralf@...ux-mips.org, kyungmin.park@...sung.com, arnd@...db.de,
	andrzej.p@...sung.com, m.szyprowski@...sung.com,
	linux-mips@...ux-mips.org, LKML <linux-kernel@...r.kernel.org>,
	shuahkhan@...il.com
Subject: Re: [PATCH RFT RESEND linux-next] mips: dma-mapping: support debug_dma_mapping_error

On 10/26/2012 02:51 PM, Shuah Khan wrote:

>>>> On 10/26/2012 09:01 AM, Shuah Khan wrote:
>>>>> Add support for debug_dma_mapping_error() call to avoid warning from
>>>>> debug_dma_unmap() interface when it checks for mapping error checked
>>>>> status. Without this patch, device driver failed to check map error
>>>>> warning is generated.

I'm confused.

Your claim that a 'warning is generated' seems to be in conflict with...


[...]
> Got it. Thanks. I would volunteer to look at fixing all the problems,
> but unfortunately I don't have a MIPS box handy

This statement that you don't have hardware that exhibits the problem.

How was the patch tested?  How do you even know there is a problem?

David Daney


--
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/