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Re: [RFC patch 23/27] Immediate Values - Powerpc Optimization NMI MCE support

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From: Paul Mackerras <paulus@...>
To: Mathieu Desnoyers <mathieu.desnoyers@...>
Cc: Ingo Molnar <mingo@...>, <linux-kernel@...>, Rusty Russell <rusty@...>, Christoph Hellwig <hch@...>
Subject: Re: [RFC patch 23/27] Immediate Values - Powerpc Optimization NMI MCE support
Date: Wednesday, April 16, 2008 - 7:09 pm

Mathieu Desnoyers writes:


What is meant by an "atomic" update in this context?  AFAICS you are
using memcpy, which is not in any way guaranteed to be atomic.

Paul.
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Messages in current thread:
[RFC patch 23/27] Immediate Values - Powerpc Optimization NM..., Mathieu Desnoyers, (Wed Apr 16, 5:34 pm)
Re: [RFC patch 23/27] Immediate Values - Powerpc Optimizatio..., Paul Mackerras, (Wed Apr 16, 7:09 pm)
Re: [RFC patch 23/27] Immediate Values - Powerpc Optimizatio..., Mathieu Desnoyers, (Wed Apr 16, 7:33 pm)
Re: [RFC patch 23/27] Immediate Values - Powerpc Optimizatio..., Paul Mackerras, (Wed Apr 16, 8:35 pm)
Re: [RFC patch 23/27] Immediate Values - Powerpc Optimizatio..., Mathieu Desnoyers, (Wed Apr 16, 9:24 pm)
Re: [RFC patch 23/27] Immediate Values - Powerpc Optimizatio..., Paul E. McKenney, (Sat Apr 19, 7:40 pm)