| commit | 11ad93e59d114f4b218873f1c93261be725d2e22 | |
| author | Jeremy Fitzhardinge <jeremy@goop.org> | |
| Tue, 19 Aug 2008 20:32:51 +0000 (19 13:32 -0700) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Wed, 20 Aug 2008 10:40:08 +0000 (20 12:40 +0200) | ||
| tree | 00cceefe48f6fbd01607cfbb7285145321ebf1f7 | treesnapshot (tar.gz zip) |
| parent | 63d3a75d6f1fcf2f33e6abbe84e1f428c3586152 | commitdiff |
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>
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>
| arch/x86/xen/mmu.c | diffblobblamehistory |