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Message-ID: <7225594ED4A1304C9E43D030A886D221050BE1@daytona.int.panasas.com> Date: Sat, 28 Jun 2008 09:10:19 -0400 From: "Halevy, Benny" <bhalevy@...asas.com> To: "Jeff Dike" <jdike@...toit.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 Fri 2008-06-27 19:26, Jeff Dike <jdike@...toit.com> wrote: > 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? I don't know what was the root cause for the crash you mentioned. FWIW, with these options UML/x86_64 builds on Fedora 9, w/ gcc 4.3.0 and runs well for me. Benny > > Jeff > > -- > Work email - jdike at linux dot intel dot com > -- 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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