linux-kernel - Re: [PATCH -mm 1/2] ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic

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Message-Id: <20090220034718.C5AAFFC2F7@magilla.sf.frob.com>
Date:	Thu, 19 Feb 2009 19:47:18 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jerome Marchand <jmarchan@...hat.com>,
	Denys Vlasenko <dvlasenk@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 1/2] ptrace_detach: the wrong wakeup breaks the
	ERESTARTxxx logic

For TASK_TRACED, this wakeup is superfluous because of the one just done in
ptrace_untrace immediately prior.  For other cases it was always spurious
and the unconditional one looks quite wrong here.

Acked-By: Roland McGrath <roland@...hat.com>


Thanks,
Roland
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