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Message-ID: <20091124150604.GJ22813@hs20-bc2-1.build.redhat.com> Date: Tue, 24 Nov 2009 10:06:04 -0500 From: Jakub Jelinek <jakub@...hat.com> To: Thomas Gleixner <tglx@...utronix.de> Cc: Andrew Haley <aph@...hat.com>, "H.J. Lu" <hjl.tools@...il.com>, rostedt@...dmis.org, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>, LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Heiko Carstens <heiko.carstens@...ibm.com>, feng.tang@...el.com, Peter Zijlstra <peterz@...radead.org>, Frederic Weisbecker <fweisbec@...il.com>, David Daney <ddaney@...iumnetworks.com>, Richard Guenther <richard.guenther@...il.com>, gcc <gcc@....gnu.org>, Linus Torvalds <torvalds@...ux-foundation.org> Subject: Re: [PATCH][GIT PULL][v2.6.32] tracing/x86: Add check to detect GCC messing with mcount prologue On Tue, Nov 24, 2009 at 03:55:49PM +0100, Thomas Gleixner wrote: > > you should compile your code with -maccumulate-outgoing-args, and there's > > no need to use -mtune=generic. Is that right? > > Seems to work. What other side effects has that ? Faster code, significant increase in code size though. Note that on many architectures it is the only supported model. Jakub -- 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/
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