linux-kernel - Re: restart_syscall: use freezable blocking call

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Message-ID: <20150402172513.GE23123@twins.programming.kicks-ass.net>
Date:	Thu, 2 Apr 2015 19:25:13 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Sasha Levin <sasha.levin@...cle.com>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	maninder1.s@...sung.com, tglx@...utronix.de,
	Yogesh Narayan Gaur <yn.gaur@...sung.com>,
	AJEET YADAV <ajeet.y@...sung.com>, Tejun Heo <tj@...nel.org>
Subject: Re: restart_syscall: use freezable blocking call

On Thu, Apr 02, 2015 at 12:03:08PM -0400, Sasha Levin wrote:
> It's not correct.

Yay for lockdep ;-)

> [    0.645644] debug_check_no_locks_held (kernel/locking/lockdep.c:4178)

Should we also have that call in freezer_do_not_count() ?
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