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From: Ingo Molnar <mingo@elte.hu>
To: Arjan van de Ven <arjan@infradead.org>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Paul Mackerras <paulus@samba.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf: use default compiler mode by default
Date: Mon, 23 Nov 2009 07:55:48 +0100	[thread overview]
Message-ID: <20091123065548.GE31758@elte.hu> (raw)
In-Reply-To: <20091122091338.4a9d772f@infradead.org>


* Arjan van de Ven <arjan@infradead.org> wrote:

> On Sun, 22 Nov 2009 14:13:35 +0200
> "Michael S. Tsirkin" <mst@redhat.com> wrote:
> 
> > gcc with no flags typically is a sane default for systems to use, and
> > looking at the running kernel is probably broken for cross-builds
> > anyway, so let's not do this.  Add EXTRA_CFLAGS so that users can
> > override default gcc mode if they want to.
> 
> yes please; current perf breaks if you compile it in a 32 bit chroot 
> on a 64 bit system....

ok - applied the patch with your ack.

I'd still like to hear back from Paulus whether PowerPC is affected 
negatively - IIRC it was PowerPC where we got the -m64 from originally.

Thanks,

	Ingo

  reply	other threads:[~2009-11-23  6:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-22 12:13 [PATCH] perf: use default compiler mode by default Michael S. Tsirkin
2009-11-22 12:59 ` Ingo Molnar
2009-11-22 17:13 ` Arjan van de Ven
2009-11-23  6:55   ` Ingo Molnar [this message]
2009-11-23 11:14     ` Paul Mackerras
2009-11-23  7:02 ` [tip:perf/core] perf: Use " tip-bot for Michael S. Tsirkin

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