From: Steven Rostedt <rostedt@goodmis.org>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: Kumar Gala <kumar.gala@freescale.com>,
linux-kernel@vger.kernel.org,
"David S.Miller" <davem@davemloft.net>,
linuxppc-dev@ozlabs.org, Anton Blanchard <anton@samba.org>,
jbaron@redhat.com
Subject: Re: [PATCH] powerpc: Add jump label support
Date: Mon, 08 Nov 2010 09:18:35 -0500 [thread overview]
Message-ID: <1289225915.12418.2.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <45fbc3cd7f6ce404d1e25bf01695fb629d86189d.1289189560.git.michael@ellerman.id.au>
On Mon, 2010-11-08 at 15:12 +1100, Michael Ellerman wrote:
> This patch adds support for the new "jump label" feature.
Darn it! I wanted to port this!!!
;-)
>
> Built for 64 & 32 bit, tested on 64 bit. Survives a kernel build under
> perf with all tracepoints enabled, and manual inspection of the patched
> code looks right. But still, lightly tested, YMMV.
>
> Unlike x86 and sparc we just merrily patch the code with no locks etc,
> as far as I know this is safe, but I'm not really sure what the x86/sparc
> code is protecting against so maybe it's not.
Thanks, I'll give it a test on my electra as soon as I get a gcc 4.5.1
cross compiler working.
-- Steve
next prev parent reply other threads:[~2010-11-08 14:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-08 4:12 [PATCH] powerpc: Add jump label support Michael Ellerman
2010-11-08 14:18 ` Steven Rostedt [this message]
2010-11-09 3:33 ` Michael Ellerman
2010-11-09 2:35 ` Stephen Rothwell
2010-11-09 3:33 ` Michael Ellerman
2010-11-09 3:41 ` Steven Rostedt
2010-11-09 4:02 ` Michael Ellerman
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