Re: [PATCH 4/4] acpi: semaphore removal

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From: Daniel Walker

Subject: Re: [PATCH 4/4] acpi: semaphore removal

Date: Tuesday, August 26, 2008 - 12:30 pm

On Tue, 2008-08-26 at 13:13 -0600, Matthew Wilcox wrote:
quoted text> 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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Messages in current thread:

[PATCH 1/4] mutex: add mutex_lock_timeout(), Daniel Walker, (Tue Aug 26, 11:59 am)

[PATCH 2/4] acpi: add real mutex function calls, Daniel Walker, (Tue Aug 26, 11:59 am)

[PATCH 3/4] acpi: add lockdep magic, Daniel Walker, (Tue Aug 26, 11:59 am)

[PATCH 4/4] acpi: semaphore removal, Daniel Walker, (Tue Aug 26, 11:59 am)

Re: [PATCH 4/4] acpi: semaphore removal, Matthew Wilcox, (Tue Aug 26, 12:13 pm)

Re: [PATCH 4/4] acpi: semaphore removal, Daniel Walker, (Tue Aug 26, 12:30 pm)

Re: [PATCH 1/4] mutex: add mutex_lock_timeout(), Andi Kleen, (Tue Aug 26, 12:32 pm)

Re: [PATCH 4/4] acpi: semaphore removal, Matthew Wilcox, (Tue Aug 26, 12:50 pm)

Re: [PATCH 1/4] mutex: add mutex_lock_timeout(), Daniel Walker, (Tue Aug 26, 12:51 pm)

Re: [PATCH 4/4] acpi: semaphore removal, Daniel Walker, (Tue Aug 26, 1:03 pm)

Re: [PATCH 1/4] mutex: add mutex_lock_timeout(), Andi Kleen, (Tue Aug 26, 2:13 pm)

Re: [PATCH 1/4] mutex: add mutex_lock_timeout(), Daniel Walker, (Tue Aug 26, 3:09 pm)


linux-kernel:
Ingo Molnar	Re: [patch 00/13] Syslets, "Threadlets", generic AIO support, v3
Andi Kleen	[PATCH] [0/35] Some x86 2.6.22 candidate patches for review
Andrew Morton	Re: [PATCH] lazy freeing of memory through MADV_FREE 2/2
Peter Zijlstra	Re: [RFC PATCH 1/2] Marker probes in futex.c
Vivek Goyal	[PATCH] x86_64: Display more intutive error message if kernel is not 2MB aligned
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Johannes Schindelin	[PATCH] fetch: refuse to fetch into the current branch in a non-bare repository
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