linux-kernel - Re: BUG: Patch "Convert some mftb/mftbu into mfspr" breaks MPC885

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

Message-ID: <1384966640.1403.421.camel@snotra.buserror.net>
Date:	Wed, 20 Nov 2013 10:57:20 -0600
From:	Scott Wood <scottwood@...escale.com>
To:	leroy christophe <christophe.leroy@....fr>
CC:	LinuxPPC-dev <linuxppc-dev@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>,
	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>
Subject: Re: BUG: Patch "Convert some mftb/mftbu into mfspr" breaks MPC885

On Wed, 2013-11-20 at 10:37 +0100, leroy christophe wrote:
> Scott,
> 
> The patch "Convert some mftb/mftbu into
> mfspr" (beb2dc0a7a84be003ce54e98b95d65cc66e6e536) breaks startup on
> MPC885.
> 
> The CPU traps (SoftwareEmulation trap) at sched_clock() when trying to
> read TBU with mfspr.
> 
> Reverting the patch solves the issue.
> 
> What's the prefered way to fix this ?

I guess we need to add an ifdef.

-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/