linux-kernel - Re: [PATCH v5 05/20] kthread: Add destroy_kthread

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Message-ID: <20160225123641.GH6357@twins.programming.kicks-ass.net>
Date:	Thu, 25 Feb 2016 13:36:41 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Petr Mladek <pmladek@...e.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Oleg Nesterov <oleg@...hat.com>, Tejun Heo <tj@...nel.org>,
	Ingo Molnar <mingo@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Josh Triplett <josh@...htriplett.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jiri Kosina <jkosina@...e.cz>, Borislav Petkov <bp@...e.de>,
	Michal Hocko <mhocko@...e.cz>, linux-mm@...ck.org,
	Vlastimil Babka <vbabka@...e.cz>, linux-api@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 05/20] kthread: Add destroy_kthread_worker()

On Mon, Feb 22, 2016 at 03:56:55PM +0100, Petr Mladek wrote:
> Also note that drain() correctly handles self-queuing works in compare
> with flush().

Nothing seems to prevent adding more work after drain() observes
list_empty().