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Date: Tue, 30 Apr 2013 22:04:32 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Alan Modra <amodra@...il.com> Cc: Anton Blanchard <anton@...ba.org>, David Miller <davem@...emloft.net>, netdev <netdev@...r.kernel.org>, linuxppc-dev@...ts.ozlabs.org, Paul Mackerras <paulus@...ba.org>, Ambrose Feinstein <ambrose@...gle.com> Subject: Re: [PATCH net-next] af_unix: fix a fatal race with bit fields On Wed, 2013-05-01 at 13:24 +0930, Alan Modra wrote: > On Tue, Apr 30, 2013 at 07:24:20PM -0700, Eric Dumazet wrote: > > li 11,1 > > ld 0,0(9) > > rldimi 0,11,31,32 > > std 0,0(9) > > blr > > .ident "GCC: (GNU) 4.6.3" > > > > You can see "ld 0,0(9)" is used : its a 64 bit load. > > Yup. This is not a powerpc64 specific problem. See > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52080 > Fixed in 4.8.0 and 4.7.3. Ah thanks. This seems a pretty serious issue, is it documented somewhere that ppc64, sparc64 and others need such compiler version ? These kind of errors are pretty hard to find, its a pity to spend time on them. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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