Jan Beulich
2008-Aug-08 12:23 UTC
[Xen-devel] [PATCH] linux/x86-64: use xen_new_user_pt() rather than open-coding it
As usual, written and tested on 2.6.26 and made apply to the 2.6.18
tree without further testing.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: head-2008-08-07/drivers/xen/core/machine_reboot.c
==================================================================---
head-2008-08-07.orig/drivers/xen/core/machine_reboot.c 2008-08-07
12:44:36.000000000 +0200
+++ head-2008-08-07/drivers/xen/core/machine_reboot.c 2008-08-07
13:59:00.000000000 +0200
@@ -184,14 +184,8 @@ static int take_machine_down(void *_susp
* We do it here just in case, but there''s no need if we are
* in fast-suspend mode as that implies a new enough Xen.
*/
- if (!suspend->fast_suspend) {
- struct mmuext_op op;
- op.cmd = MMUEXT_NEW_USER_BASEPTR;
- op.arg1.mfn = pfn_to_mfn(__pa(__user_pgd(
- current->active_mm->pgd)) >> PAGE_SHIFT);
- if (HYPERVISOR_mmuext_op(&op, 1, NULL, DOMID_SELF))
- BUG();
- }
+ if (!suspend->fast_suspend)
+ xen_new_user_pt(__pa(__user_pgd(current->active_mm->pgd));
#endif
}
time_resume();
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