linux-kernel - Re: [PATCH] [RESEND] crypto test: use print_hex

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 29 Nov 2007 22:13:24 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	rae l <crquan@...il.com>,
	Richard Knutsson <ricknu-0@...dent.ltu.se>,
	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
	dengxw@....com, Randy Dunlap <randy.dunlap@...cle.com>,
	Joe Perches <joe@...ches.com>
Subject: Re: [PATCH] [RESEND] crypto test: use print_hex_dump from kernel.h instead

On Tue, Nov 27, 2007 at 01:26:22AM -0800, Andrew Morton wrote:
> On Tue, 27 Nov 2007 13:03:29 +0800 "rae l" <crquan@...il.com> wrote:
> 
> > -static void hexdump(unsigned char *buf, unsigned int len)
> > +static inline void hexdump(unsigned char *buf, unsigned int len)
> >  {
> > -	while (len--)
> > -		printk("%02x", *buf++);
> > -
> > -	printk("\n");
> > +	print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
> > +			16, 1,
> > +			buf, len, false);
> >  }
> 
> uninlining this function shrinks crypto/tcrypt.o's .text from 20,009 bytes
> down to 19,701.
> 
> inlining is almost always wrong.

I agree.  Please do as Andrew suggests and resubmit.

Thanks,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
-
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/