commit | 11ad93e59d114f4b218873f1c93261be725d2e22 | [log] [tgz] |
---|---|---|
author | Jeremy Fitzhardinge <jeremy@goop.org> | Tue Aug 19 13:32:51 2008 -0700 |
committer | Ingo Molnar <mingo@elte.hu> | Wed Aug 20 12:40:08 2008 +0200 |
tree | 00cceefe48f6fbd01607cfbb7285145321ebf1f7 | |
parent | 63d3a75d6f1fcf2f33e6abbe84e1f428c3586152 [diff] |
xen: clarify locking used when pinning a pagetable. 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. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Xen-devel <xen-devel@lists.xensource.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>