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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-17 23:24:03 -0800
committerJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-03-29 23:35:59 -0700
commit7fd7d83d49914f03aefffba6aee09032fcd54cce (patch)
tree8c9f5b95f6b63b5d28887f47d92a6c79139eac5f /arch/x86/xen
parentb8bcfe997e46150fedcc3f5b26b846400122fdd9 (diff)
x86/pvops: replace arch_enter_lazy_cpu_mode with arch_start_context_switch
Impact: simplification, prepare for later changes Make lazy cpu mode more specific to context switching, so that it makes sense to do more context-switch specific things in the callbacks. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/mmu.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index cb6afa4ec95..6b98f87232a 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1119,10 +1119,8 @@ static void drop_other_mm_ref(void *info)
/* If this cpu still has a stale cr3 reference, then make sure
it has been flushed. */
- if (percpu_read(xen_current_cr3) == __pa(mm->pgd)) {
+ if (percpu_read(xen_current_cr3) == __pa(mm->pgd))
load_cr3(swapper_pg_dir);
- arch_flush_lazy_cpu_mode();
- }
}
static void xen_drop_mm_ref(struct mm_struct *mm)
@@ -1135,7 +1133,6 @@ static void xen_drop_mm_ref(struct mm_struct *mm)
load_cr3(swapper_pg_dir);
else
leave_mm(smp_processor_id());
- arch_flush_lazy_cpu_mode();
}
/* Get the "official" set of cpus referring to our pagetable. */