linux-kernel - Re: [PATCH] ftrace, powerpc64: fix math to calculate offset in TOC

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]

Message-ID: <20090209152424.GA9845@elte.hu>
Date:	Mon, 9 Feb 2009 16:24:24 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org,
	Paul Mackerras <paulus@...ba.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Arnd Bergmann <arnd@...db.de>,
	Geoff Levand <geoffrey.levand@...sony.com>,
	Remis Lima Baima <remis.developer@...glemail.com>
Subject: Re: [PATCH] ftrace, powerpc64: fix math to calculate offset in TOC


* Steven Rostedt <rostedt@...dmis.org> wrote:

> 
> On Mon, 9 Feb 2009, Ingo Molnar wrote:
> 
> > 
> > * Steven Rostedt <rostedt@...dmis.org> wrote:
> > 
> > > 
> > > Paul,
> > > 
> > > I found the bug that was causing large modules to fail in setting
> > > up dynamic ftrace. It wound up being a simple math error. To calculate
> > > the offset in the TOC, I had used an OR, but the bottom half was
> > > a signed extended short, and it should have been an addition.
> > > The fix is in my tree below, as well as posted here.
> > 
> > Looks like a .29 candidate?
> 
> Ingo,
> 
> I think Ben pulled them into their tree. The changes are specific to ppc, 
> and will probably get better user testing there. Unless you feel that we 
> have a bit of ppc testers using tip.

no, that's fine - just wanted to make sure it goes upstream via some method.

	Ingo
--
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/