linux-kernel - Re: [PATCH] linux/fs.h - Convert debug functions declared inline __attribute__((format (printf,x,y) to statement expression 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]

Message-ID: <20080228084237.GU24887@devserv.devel.redhat.com>
Date:	Thu, 28 Feb 2008 03:42:37 -0500
From:	Jakub Jelinek <jakub@...hat.com>
To:	Jan Hubicka <hubicka@....cz>
Cc:	David Rientjes <rientjes@...gle.com>,
	Joe Perches <joe@...ches.com>, Matthew Wilcox <matthew@....cx>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, gcc@....gnu.org,
	zadeck@...uralbridge.com
Subject: Re: [PATCH] linux/fs.h - Convert debug functions declared inline  __attribute__((format (printf,x,y) to statement expression macros

On Thu, Feb 28, 2008 at 12:58:35AM +0100, Jan Hubicka wrote:
> We probably also can simply allow inlining variadic functions not
> calling va_start.  I must say that this option appeared to me but I was
> unable to think of any sane use case.  This probably is one ;)

We already allow inlining variadic functions not calling va_start, already
3.2.x did that and so do all following gccs.  In 4.3+
__builtin_va_arg_pack{,_len} support was added, so that you can even pass
the ... arguments to variable length functions, query their count etc.

	Jakub
--
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/