linux-kernel - Re: [PATCH] module: ppc64 module CRC relocation fix causes perf issues

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]

Message-ID: <1374014420.8183.342@snotra>
Date:	Tue, 16 Jul 2013 17:40:20 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	Paul Mackerras <paulus@...ba.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Neil Horman <nhorman@...driver.com>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	Anton Blanchard <anton@...ba.org>
Subject: Re: [PATCH] module: ppc64 module CRC relocation fix causes perf
 issues

On 07/15/2013 03:47:06 AM, Benjamin Herrenschmidt wrote:
> On Mon, 2013-07-15 at 14:04 +1000, Anton Blanchard wrote:
> > Module CRCs are implemented as absolute symbols that get resolved by
> > a linker script. We build an intermediate .o that contains an
> > unresolved symbol for each CRC. genksysms parses this .o, calculates
> > the CRCs and writes a linker script that "resolves" the symbols to
> > the calc
> 
> Scott, can somebody from FSL test that on 32-bit and Ack it ?
> 
> Thanks !
> 
> Cheers,
> Ben.

It boots for me on e500mc and I can insert modules.

-Scott
--
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/