Subject: Re: [PATCH 4/4] acpi: semaphore removal
From: Daniel Walker <dwalker@mvista.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: Andi Kleen <ak@linux.intel.com>, linux-kernel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Ingo Molnar <mingo@elte.hu>, Peter Zijlstra <peterz@infradead.org>,
       Len Brown <len.brown@intel.com>, Robert Moore <robert.moore@intel.com>,
       linux-acpi@vger.kernel.org
In-Reply-To: <20080826191335.GE23698@parisc-linux.org>
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	 <20080826191335.GE23698@parisc-linux.org>
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Date: Tue, 26 Aug 2008 12:30:46 -0700
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On Tue, 2008-08-26 at 13:13 -0600, Matthew Wilcox wrote:
> On Tue, Aug 26, 2008 at 11:59:49AM -0700, Daniel Walker wrote:
> > The semaphore usage in ACPI is more like completions. The ASL
> 
> Huh?  They are semaphores.  They're not 'more like completions' at all.

You can clearly make a completion out of a semaphore, but we have a
completion API .. ACPI is using locked semaphores, and essentially
re-making completions with the semaphore API..

Daniel

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