linux-kernel - Re: [PATCH 01/13] seq_file: rewrite seq_puts() in terms of seq

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] [day] [month] [year] [list]

Message-ID: <20180903141759.GA11586@avx2>
Date:   Mon, 3 Sep 2018 17:17:59 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     joe@...ches.com
Cc:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org
Subject: Re: [PATCH 01/13] seq_file: rewrite seq_puts() in terms of
 seq_write()

Joe Perches wrote:

> > If execution speed is really an issue, as
> > almost all of the uses are for const strings,
> > why not use a #define and avoid the runtime
> > cost of strlen where possible.
> 
> fyi: an x86-64 defconfig increases < .5 kb and
> presumably is faster for most all seq_puts uses

> -void seq_puts(struct seq_file *m, const char *s);
> +#define seq_puts(m, s) seq_write(m, s, strlen(s))

I don't know, seq_puts() patch was last minute observation.
It is independent of _print_integer() stuff.

Your version should be "static inline" of course.