linux-kernel - Re: [PATCH] [alpha] Add minimal support for software performance events.

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Message-ID: <20091108122739.GD11372@elte.hu>
Date:	Sun, 8 Nov 2009 13:27:39 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Michael Cree <mcree@...on.net.nz>
Cc:	linux-kernel@...r.kernel.org, linux-alpha@...r.kernel.org,
	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] [alpha] Add minimal support for software performance
 events.


* Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Michael Cree <mcree@...on.net.nz> wrote:
> 
> > > Should be done not by removing the stack-protector build 
> > > unconditionally - but by auto-testing whether stackprotector is 
> > > supported by GCC and using it if yes.
> > 
> > Revised patch attached.  It includes a test that the compiler doesn't 
> > bomb out with -fstack-protector-all and only adds the option to CFLAGS 
> > if ok.  But I have had to put the test below the definition of the 
> > macro CC.  This has the side effect of separating the addition of 
> > -fstack-protector-all from the main definitions of CFLAGS and 
> > ALL_CFLAGS, and is not ideal in my opinion.  The patch also removes 
> > -Wcast-align (I forgot to say that in the commit message of the 
> > patch).
> 
> Nice, i'll queue this up for Linus.
> 
> Your S-O-B line was missing from this second patch - i presume you 
> intended it to be included, right?

Mind resending the patch against latest -tip?

  http://people.redhat.com/mingo/tip.git/README

There's been other changes in this area so your patch does not apply 
anymore.

	Ingo
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