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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Ramon Fried <rfried.dev@gmail.com>
Cc: Tom Zanussi <zanussi@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-rt-users <linux-rt-users@vger.kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Carsten Emde <C.Emde@osadl.org>, John Kacur <jkacur@redhat.com>,
	Daniel Wagner <wagi@monom.org>,
	Clark Williams <williams@redhat.com>,
	Zhang Xiao <xiao.zhang@windriver.com>
Subject: Re: [PATCH RT 1/2] tasklet: Address a race resulting in double-enqueue
Date: Tue, 9 Jun 2020 19:10:43 +0200	[thread overview]
Message-ID: <20200609171043.vhvms7lowffqm6e4@linutronix.de> (raw)
In-Reply-To: <61D63A44-E3D9-4E7F-BE08-B887C078F445@gmail.com>

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. 
> so, as I understand, if I build the RT kernel without preempt enabled I can hit this bug? 

Don't worry, I should have been better with the details in the log.

So you should _always_ hit the warning/bug if you compile a kernel
without SMP and RT. If you enable one of these then everything should be
fine.

Sebastian


  reply	other threads:[~2020-06-09 17:10 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-23 20:54 [PATCH RT 0/2] Linux v4.19.115-rt49-rc1 zanussi
2020-04-23 20:54 ` [PATCH RT 1/2] tasklet: Address a race resulting in double-enqueue zanussi
2020-06-04 16:04   ` Ramon Fried
2020-06-04 20:51     ` Tom Zanussi
2020-06-09 15:47       ` Sebastian Andrzej Siewior
2020-06-09 16:17         ` Tom Zanussi
2020-06-09 16:34           ` Sebastian Andrzej Siewior
2020-06-09 16:37             ` Ramon Fried
2020-06-09 16:40               ` Ramon Fried
2020-06-09 16:42                 ` Sebastian Andrzej Siewior
2020-06-09 17:07                   ` Ramon Fried
2020-06-09 17:10                     ` Sebastian Andrzej Siewior [this message]
2020-06-09 17:14                       ` Ramon Fried
2020-06-09 17:20                         ` Tom Zanussi
2020-06-09 20:03                           ` Ramon Fried
2020-06-09 20:09                             ` Tom Zanussi
2020-06-09 16:57             ` Tom Zanussi
2020-04-23 20:54 ` [PATCH RT 2/2] Linux 4.19.115-rt49-rc1 zanussi

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