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From: Roland McGrath <roland@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>,
	David Daney <ddaney@caviumnetworks.com>,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>,
	x86@kernel.org
Subject: Re: [PATCH 02/10] x86: Convert BUG() to use unreachable()
Date: Thu, 10 Sep 2009 18:37:43 -0700 (PDT)	[thread overview]
Message-ID: <20090911013743.1CF13AEF@magilla.sf.frob.com> (raw)
In-Reply-To: Linus Torvalds's message of  Thursday, 10 September 2009 18:13:07 -0700 <alpine.LFD.2.01.0909101806110.3654@localhost.localdomain>

> There are other cases where that kind of config-time testing could be 
> useful, and we could avoid doing various gcc checks dynamically from 
> within 'make' (along with checking for known-buggy versions etc).

I quite agree that this would be an improvement for many sorts of compiler
feature (and other tool detail) conditionalization.


Thanks,
Roland

  parent reply	other threads:[~2009-09-11  1:39 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4AA991C1.1050800@caviumnetworks.com>
2009-09-10 23:56 ` [PATCH 01/10] Add support for GCC-4.5's __builtin_unreachable() to compiler.h David Daney
2009-09-11  0:14   ` Richard Henderson
2009-09-11 14:32   ` Michael Buesch
2009-09-11 15:58     ` David Daney
2009-09-12  7:22       ` Geert Uytterhoeven
2009-09-14 15:40         ` David Daney
2009-09-10 23:56 ` [PATCH 02/10] x86: Convert BUG() to use unreachable() David Daney
2009-09-11  0:56   ` H. Peter Anvin
2009-09-11  1:09     ` Roland McGrath
2009-09-11  1:13     ` Linus Torvalds
2009-09-11  1:33       ` H. Peter Anvin
2009-09-11  1:37       ` Roland McGrath [this message]
2009-09-11  1:42         ` H. Peter Anvin
2009-09-11  6:07       ` Ingo Molnar
2009-09-11 15:55         ` David Daney
2009-09-13 20:12           ` H. Peter Anvin
2009-09-10 23:56 ` [PATCH 03/10] MIPS: " David Daney
2009-09-10 23:56 ` [PATCH 04/10] s390: " David Daney
2009-09-11 12:18   ` Martin Schwidefsky
2009-09-10 23:56 ` [PATCH 05/10] mn10300: " David Daney
2009-09-10 23:56 ` [PATCH 06/10] parisc: " David Daney
2009-09-28  3:20   ` Kyle McMartin
2009-09-10 23:56 ` [PATCH 07/10] powerpc: " David Daney
2009-09-10 23:56 ` [PATCH 08/10] alpha: " David Daney
2009-09-10 23:56 ` [PATCH 09/10] avr32: " David Daney
2009-09-11  7:31   ` Haavard Skinnemoen
2009-09-10 23:56 ` [PATCH 10/10] blackfin: " David Daney

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