Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch

• To: Nicolas Pitre <[email protected]>
• Subject: Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch
• From: Nick Piggin <[email protected]>
• Date: Wed, 21 Dec 2005 01:12:02 +1100
• Cc: Ingo Molnar <[email protected]>, David Woodhouse <[email protected]>, Zwane Mwaikambo <[email protected]>, lkml <[email protected]>, Linus Torvalds <[email protected]>, Andrew Morton <[email protected]>, Arjan van de Ven <[email protected]>, Steven Rostedt <[email protected]>, Alan Cox <[email protected]>, Christoph Hellwig <[email protected]>, Andi Kleen <[email protected]>, David Howells <[email protected]>, Alexander Viro <[email protected]>, Oleg Nesterov <[email protected]>, Paul Jackson <[email protected]>
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Nicolas Pitre wrote:

On Tue, 20 Dec 2005, Nick Piggin wrote:

Considering that on UP, the arm should not need to disable interrupts
for this function (or has someone refuted Linus?), how about:

Kernel preemption.

preempt_disable() ?

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• Follow-Ups:
  • Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch
    • From: Ingo Molnar <[email protected]>
  • Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch
    • From: Linus Torvalds <[email protected]>
  • Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch
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• References:
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    • From: Ingo Molnar <[email protected]>
  • Re: [patch 04/15] Generic Mutex Subsystem, add-atomic-call-func-x86_64.patch
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    • From: Nicolas Pitre <[email protected]>
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