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Tue, 09 Jun 2020 10:14:38 -0700 (PDT) Date: Tue, 09 Jun 2020 20:14:34 +0300 User-Agent: K-9 Mail for Android In-Reply-To: <20200609171043.vhvms7lowffqm6e4@linutronix.de> References: <6d4c92b28c54d8ca687c29043562de943a373547.1587675252.git.zanussi@kernel.org> <20200609154741.5kesuvl7txz4s3yu@linutronix.de> <20200609163446.efp76qbjzkbtl7nk@linutronix.de> <34E6C220-A85B-4296-AB8E-62DE6D9DC561@gmail.com> <20200609164213.bshzpfuqgioyvtpm@linutronix.de> <61D63A44-E3D9-4E7F-BE08-B887C078F445@gmail.com> <20200609171043.vhvms7lowffqm6e4@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [PATCH RT 1/2] tasklet: Address a race resulting in double-enqueue To: Sebastian Andrzej Siewior CC: Tom Zanussi , LKML , linux-rt-users , Steven Rostedt , Thomas Gleixner , Carsten Emde , John Kacur , Daniel Wagner , Clark Williams , Zhang Xiao From: Ramon Fried Message-ID: <50AE5644-D046-4043-8A70-204D0BFEB67F@gmail.com> Sender: linux-rt-users-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org On June 9, 2020 8:10:43 PM GMT+03:00, Sebastian Andrzej Siewior wrote: >On 2020-06-09 20:07:06 [+0300], Ramon Fried wrote: >> Indeed >> I'm truly sorry, I thought our crash kernel is configured as RT as >well=2E=20 >> so, as I understand, if I build the RT kernel without preempt enabled >I can hit this bug?=20 > >Don't worry, I should have been better with the details in the log=2E > >So you should _always_ hit the warning/bug if you compile a kernel >without SMP and RT=2E If you enable one of these then everything should >be >fine=2E Would there be a fix for that?=20 > >Sebastian --=20 Sent from my Android device with K-9 Mail=2E Please excuse my brevity=2E