From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Mon, 15 Feb 2016 21:15:39 +0100 Subject: [PATCH] branch tracer: fix freak link error In-Reply-To: <20160215124746.44e8c2d0@gandalf.local.home> References: <1455312410-1058841-1-git-send-email-arnd@arndb.de> <20160215124746.44e8c2d0@gandalf.local.home> Message-ID: <2535125.MjntUgx4sh@wuerfel> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 15 February 2016 12:47:46 Steven Rostedt wrote: > On Fri, 12 Feb 2016 22:26:42 +0100 > Arnd Bergmann wrote: > > > In my randconfig tests, I came across a bug that involves several > > components: > > > > > > [..] > > > > > This patch avoids the problem by changing __trace_if() to check > > whether the condition is known at compile-time to be nonzero, rather > > than checking whether it is actually a constant. > > > > I see this one link error in roughly one out of 1600 randconfig builds > > on ARM, and the patch fixes all known instances. > > > > Signed-off-by: Arnd Bergmann > > Fixes: ab3c9c686e22 ("branch tracer, intel-iommu: fix build with CONFIG_BRANCH_TRACER=y") > > Want me to pull this into my queue? I have another patch I need to send > to Linus and I can add this in that pull request. That would be nice, yes. Do you also want to add a 'Cc: stable at vger.kernel.org' tag? Arnd