linux-kernel - Re: [PATCH] xen: clarify locking used when pinning a pagetable.

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Message-ID: <20080820104104.GE2816@elte.hu>
Date:	Wed, 20 Aug 2008 12:41:04 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Xen-devel <xen-devel@...ts.xensource.com>,
	the arch/x86 maintainers <x86@...nel.org>
Subject: Re: [PATCH] xen: clarify locking used when pinning a pagetable.


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> Add some comments explaining the locking and pinning algorithm when 
> using split pte locks.  Also implement a minor optimisation of not 
> pinning the PTE when not using split pte locks.

applied these commits to tip/x86/xen:

 7708ad6: xen: add xen_ prefixes to make tracing with ftrace easier
 11ad93e: xen: clarify locking used when pinning a pagetable.
 63d3a75: x86/paravirt: add spin_lock_flags lock op
 6e83358: xen: clean up domain mode predicates

Thanks,

	Ingo
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