linux-kernel - Re: [PATCH] ubi: kill homegrown endian macros

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:	Thu, 17 May 2007 22:29:13 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, dedekind@...radead.org,
	linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] ubi: kill homegrown endian macros

On Thu, May 17, 2007 at 05:14:26PM -0400, Dmitry Torokhov wrote:
> On 5/17/07, Al Viro <viro@....linux.org.uk> wrote:
> >
> >Ahem...  So what does
> >       x |= y;
> >turns into with that approach?
> 
> Do we want to do such kind of operations on endian-annotated data? I'd
> imagine you want to convert ot host-endianess first anyway.

Why?  When both x and y are of the same type, it's a perfectly sane and
safe operation.  And yes, sparse checks handle that.
-
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/