Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc4 released

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To: Paul E. McKenney <paulmck@...>
Cc: Peter Zijlstra <peterz@...>, Stefan Richter <stefanr@...>, <jmerkey@...>, <linux-kernel@...>, Nick Piggin <nickpiggin@...>, David Howells <dhowells@...>
Date: Thursday, August 21, 2008 - 12:18 pm

On Thu, 21 Aug 2008, Linus Torvalds wrote:

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
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Messages in current thread:
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc..., Paul E. McKenney, (Thu Aug 21, 12:43 pm)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc..., Linus Torvalds, (Thu Aug 21, 12:18 pm)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc..., Paul E. McKenney, (Thu Aug 21, 12:48 pm)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6...., Stefan Richter, (Thu Aug 21, 10:02 am)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6...., Stefan Richter, (Thu Aug 21, 11:22 am)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger , Nick Piggin, (Thu Aug 21, 9:37 am)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-r..., Jeremy Fitzhardinge, (Thu Aug 21, 5:06 pm)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-r..., Jeremy Fitzhardinge, (Thu Aug 21, 5:21 pm)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc..., Paul E. McKenney, (Thu Aug 21, 10:30 am)
Re: [ANNOUNCE] mdb: Merkey's Linux Kernel Debugger 2.6.27-rc..., Paul E. McKenney, (Thu Aug 21, 10:53 am)