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

From: Ingo Molnar
Date: Wed Aug 20 2008 - 06:41:30 EST



* Jeremy Fitzhardinge <jeremy@xxxxxxxx> 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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