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From: Roland McGrath <roland@redhat.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 11/12 v2] ptrace: mv task_struct->ptrace_message ptrace_ctx->message
Date: Thu, 28 May 2009 14:24:18 -0700 (PDT)	[thread overview]
Message-ID: <20090528212418.2F605FC2BD@magilla.sf.frob.com> (raw)
In-Reply-To: Oleg Nesterov's message of  Thursday, 28 May 2009 13:41:00 +0200 <20090528114100.GA18744@redhat.com>

> Perhaps it is better to optimize out "mask != 0" check in ptrace_event().
> This special !mask case is only needed for _report_clone(), we can use
> mask == PT_PTRACED instead.

Sure, that is fine.  But note it should always have been compiled away
before anyway, since it's inline and constant in every caller.


Thanks,
Roland

  reply	other threads:[~2009-05-28 21:24 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-28 11:36 [RFC PATCH 11/12 v2] ptrace: mv task_struct->ptrace_message ptrace_ctx->message Oleg Nesterov
2009-05-28 11:41 ` Oleg Nesterov
2009-05-28 21:24   ` Roland McGrath [this message]
2009-05-29 12:24     ` Oleg Nesterov
2009-05-30 18:52       ` PATCH? tracehook_report_clone: fix false positives Oleg Nesterov
2009-06-01  0:22         ` Roland McGrath
2009-06-01 20:07           ` Oleg Nesterov
2009-06-01 20:50             ` Roland McGrath
2009-06-01 21:34               ` Oleg Nesterov
2009-06-01 23:19                 ` Roland McGrath
2009-06-02  0:14                   ` Oleg Nesterov

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