linux-kernel - Re: [PATCH] fix extern inline errors with gcc 4.3.0

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Message-ID: <20080627162645.GC8381@c2.user-mode-linux.org>
Date:	Fri, 27 Jun 2008 12:26:45 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Benny Halevy <bhalevy@...asas.com>
Cc:	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fix extern inline errors with gcc 4.3.0

On Thu, Jun 26, 2008 at 04:50:51PM +0300, Benny Halevy wrote:
> -KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
> +# Disable unit-at-a-time mode on pre-gcc-4.3 compilers, it makes gcc use
> +# a lot more stack due to the lack of sharing of stacklots:
> +# gcc 4.3.0 needs -funit-at-a-time for extern inline functions
> +KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0403 ] ; then \
> +			echo $(call cc-option,-fno-unit-at-a-time); fi ;)

How do we know that this patch won't cause the same crash reported in
http://marc.info/?l=linux-kernel&m=121011722806093&w=2?

				Jeff

-- 
Work email - jdike at linux dot intel dot com
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