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From: Thomas Gleixner <tglx@linutronix.de>
To: luferry <luferry@163.com>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>,
	Rik van Riel <riel@surriel.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] smp: avoid generic_exec_single cause system lockup
Date: Thu, 18 Jul 2019 10:07:58 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.21.1907181007340.1778@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20190718080308.48381-1-luferry@163.com>

On Thu, 18 Jul 2019, luferry@163.com wrote:

> From: luferry <luferry@163.com>
> 
> The race can reproduced by sending wait enabled IPI in softirq/irq env

Which code path is doing that?

Thanks,

	tglx

  reply	other threads:[~2019-07-18  8:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-18  8:03 [PATCH v2] smp: avoid generic_exec_single cause system lockup luferry
2019-07-18  8:07 ` Thomas Gleixner [this message]
2019-07-18  8:50   ` luferry
2019-07-18  9:58     ` Thomas Gleixner
2019-07-18 16:06       ` Peter Zijlstra
2019-07-18 18:17         ` Thomas Gleixner
2019-07-20  9:31         ` [tip:smp/urgent] smp: Warn on function calls from softirq context tip-bot for Peter Zijlstra

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