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From: Frederic Weisbecker <fweisbec@gmail.com>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Roland McGrath <roland@redhat.com>,
	"K.Prasad" <prasad@linux.vnet.ibm.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	Ingo Molnar <mingo@elte.hu>,
	linux-kernel@vger.kernel.org, utrace-devel@redhat.com
Subject: Re: x86: do_debug && PTRACE_SINGLESTEP broken by 08d68323d1f0c34452e614263b212ca556dae47f
Date: Fri, 18 Dec 2009 04:09:17 +0100	[thread overview]
Message-ID: <20091218030915.GC16470@nowhere> (raw)
In-Reply-To: <20091218025806.GA16470@nowhere>

On Fri, Dec 18, 2009 at 03:58:09AM +0100, Frederic Weisbecker wrote:
> Yep, that doesn't fix your problem but this patch makes sense
> in that if we were not in user mode while the step occured,
> we shouldn't send the signal.


That wouldn't happen actually, as we clear the STEP flag before. 


  reply	other threads:[~2009-12-18  3:09 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-18  0:56 x86: do_debug && PTRACE_SINGLESTEP broken by 08d68323d1f0c34452e614263b212ca556dae47f Oleg Nesterov
2009-12-18  1:40 ` Roland McGrath
2009-12-18  2:10   ` Oleg Nesterov
2009-12-18  2:58     ` Frederic Weisbecker
2009-12-18  3:09       ` Frederic Weisbecker [this message]
2009-12-18  3:53     ` Roland McGrath
2009-12-18  3:06 ` Frederic Weisbecker
2009-12-18 17:27   ` Oleg Nesterov
2009-12-18 17:58     ` K.Prasad
2009-12-18 18:24       ` Oleg Nesterov
2009-12-18 20:05     ` Roland McGrath
2009-12-18 22:32       ` Oleg Nesterov
2009-12-21 10:22         ` Jan Kiszka
2009-12-21 16:53           ` Oleg Nesterov
2009-12-21 16:48             ` Jan Kiszka
2009-12-18 23:15       ` Frederic Weisbecker
2009-12-20  8:30         ` Avi Kivity
2009-12-18 17:37 ` K.Prasad

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