From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <53BFD255.203@xenomai.org> Date: Fri, 11 Jul 2014 14:02:29 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <53BF7A2A.7020302@siemens.com> In-Reply-To: <53BF7A2A.7020302@siemens.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Inconsistent traced Linux IRQ state on ARM List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: Xenomai On 07/11/2014 07:46 AM, Jan Kiszka wrote: > Gilles, > > we see an warning about an inconsistency of the Linux IRQ state on ARM > with CONFIG_PROVE_LOCKING and, thus, CONFIG_TRACE_IRQFLAGS. I just > browsed code and history and stumbled over 11a959bf53 ("ipipe/arm: > disable calls to trace_hardirqs_(on|off) from assembly", ipipe-3.4.6), > the only obvious related delta between vanilla and the ipipe kernel. Can > you comment on both why you disabled it and if you think it could > explain our observation? I have no idea, could you try reverting the commit and see if it changes anything? -- Gilles.