From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org,
tglx@linutronix.de, Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH RT] time/hrtimer: disable that mode check
Date: Wed, 13 Dec 2017 15:22:57 +0100 [thread overview]
Message-ID: <20171213142257.ok7xdag5p4wp4mfo@linutronix.de> (raw)
In-Reply-To: <20171213141919.ouizpou5erye4fgz@hirez.programming.kicks-ass.net>
On 2017-12-13 15:19:19 [+0100], Peter Zijlstra wrote:
> On Wed, Dec 13, 2017 at 02:58:35PM +0100, Sebastian Andrzej Siewior wrote:
> > On -RT we push all timers by default into the soft-mode. The
> > "start/update" code does not use that SOFT bit so we always see that
> > warning.
>
> Not _all_ timers I hope? There's a few the scheduler and perf use that
> really should stay in hardirq context.
That is correct, a few ones remain in the hardirq context.
Sebastian
next prev parent reply other threads:[~2017-12-13 14:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-13 13:58 [PATCH RT] time/hrtimer: disable that mode check Sebastian Andrzej Siewior
2017-12-13 14:19 ` Peter Zijlstra
2017-12-13 14:22 ` Sebastian Andrzej Siewior [this message]
2017-12-13 16:49 ` Steven Rostedt
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