linux-kernel - Re: [RESEND PATCH 0/2] Make functions of dev

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:	Sat, 6 Mar 2010 14:57:46 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Joe Perches <joe@...ches.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Andrew <nick@...k-andrew.net>,
	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>,
	netdev@...r.kernel.org
Subject: Re: [RESEND PATCH 0/2] Make functions of dev_<level> macros, recursive
 vsnprintf



On Sat, 6 Mar 2010, Linus Torvalds wrote:
> 
> I'm not convinced. We pass that 'printf_spec' around a lot, including 
> nesting. Not as a pointer, either.

Btw, I wonder if those fields could become bitfields, or 'unsigned char' 
etc. That printf_spec really is unnecessarily big. It should _easily_ fit 
in a single register on a 64-bit platform, possibly even a 32-bit one (we 
could limit field width and precision to 5 bits, for example)

			Linus
--
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/