From mboxrd@z Thu Jan 1 00:00:00 1970 From: rostedt@goodmis.org (Steven Rostedt) Date: Wed, 20 Jun 2018 10:13:11 -0400 Subject: Dynamic ftrace self test broken on ARM In-Reply-To: <5e26cebbb2ebeb87fdc808509881736b@agner.ch> References: <65fb14b356bc0a414f1fe5cf5c6eb395@agner.ch> <20180618175437.3e6c85a1@gandalf.local.home> <20180619091735.7aec75d0@gandalf.local.home> <5e26cebbb2ebeb87fdc808509881736b@agner.ch> Message-ID: <20180620101311.0bcd73d3@gandalf.local.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, 20 Jun 2018 15:51:55 +0200 Stefan Agner wrote: > v4.9 seems to work, so I started bisecting. It turned out that commit > 6f05d0761af6 ("ARM: 8668/1: ftrace: Fix dynamic ftrace with DEBUG_RODATA > and !FRAME_POINTER") broke it, introduced during the v4.12 merge window. That patch doesn't appear to be the cause. It could have been a failed bisect. Does the commit before that commit work? Does that commit fail? It may be due to some other RODATA change though. That is actually one of my thoughts when looking at the bug. -- Steve