From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Stefan Richter <stefanr@s5r6.in-berlin.de>,
jmerkey@wolfmountaingroup.com, linux-kernel@vger.kernel.org,
Nick Piggin <nickpiggin@yahoo.com.au>,
David Howells <dhowells@redhat.com>
Subject: Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc4 released
Date: Thu, 21 Aug 2008 09:18:29 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.1.10.0808210915590.3487@nehalem.linux-foundation.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0808210845280.3487@nehalem.linux-foundation.org>
On Thu, 21 Aug 2008, Linus Torvalds wrote:
>
> No, I haven't seen the drafts
Ok, I have looked at the draft now, and I don't think I was overly
pessimistic.
If I read it right, all the memory ordering operations are defined for
_single_ objects. So if you want to do the kernel kind of memory ordering
where you specify ordering requirements independently of the actual
accesses (perhaps because the accesses are in some helper function that
doesn't care, but then you want to "finalize" the thing by stating a
sequence point), it seems to be impossible with current drafts.
Oh, well. Nothing lost. I didn't expect the thing to work.
Linus
next prev parent reply other threads:[~2008-08-21 16:20 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-21 2:50 [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc4 released jmerkey
2008-08-21 10:07 ` Peter Zijlstra
2008-08-21 10:57 ` Stefan Richter
2008-08-21 11:02 ` Peter Zijlstra
2008-08-21 11:47 ` Paul E. McKenney
2008-08-21 12:03 ` Peter Zijlstra
2008-08-21 14:53 ` Paul E. McKenney
2008-08-21 14:58 ` jmerkey
2008-08-21 12:05 ` Stefan Richter
2008-08-21 12:26 ` jmerkey
[not found] ` <43593.166.70.238.46.1219321595.squirrel@webmail.wolfmountaingroup.com >
2008-08-21 12:35 ` jmerkey
2008-08-21 13:37 ` Nick Piggin
2008-08-21 14:09 ` Stefan Richter
2008-08-22 1:40 ` Nick Piggin
2008-08-22 6:32 ` Stefan Richter
2008-08-22 11:54 ` jmerkey
2008-08-22 12:36 ` Stefan Richter
2008-08-21 14:09 ` Peter Zijlstra
2008-08-21 14:30 ` Paul E. McKenney
2008-08-21 14:14 ` jmerkey
2008-08-21 14:48 ` Peter Zijlstra
2008-08-21 16:21 ` Avi Kivity
2008-08-21 21:06 ` Jeremy Fitzhardinge
2008-08-21 21:18 ` Linus Torvalds
2008-08-21 21:21 ` Jeremy Fitzhardinge
2008-08-24 4:25 ` jmerkey
2008-08-26 8:26 ` Andi Kleen
2008-08-27 1:49 ` jmerkey
2008-08-22 1:37 ` Nick Piggin
2008-08-21 14:02 ` Stefan Richter
2008-08-21 14:08 ` jmerkey
2008-08-21 15:22 ` Stefan Richter
2008-08-21 15:02 ` jmerkey
2008-08-21 15:57 ` Linus Torvalds
2008-08-21 16:18 ` Linus Torvalds [this message]
2008-08-21 16:48 ` Paul E. McKenney
2008-09-24 0:01 ` Paul E. McKenney
2008-08-21 16:43 ` Paul E. McKenney
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