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authorBrian Gerst <brgerst@gmail.com>2009-01-19 00:38:57 +0900
committerTejun Heo <tj@kernel.org>2009-01-19 00:38:57 +0900
commit9eb912d1aa6b8106e06a73ea6702ec3dab0d6a1a (patch)
treeed563ea82e5190894806c62d87a769400b08375a /arch/x86/xen/mmu.c
parent1b437c8c73a36daa471dd54a63c426d72af5723d (diff)
x86-64: Move TLB state from PDA to per-cpu and consolidate with 32-bit.
Signed-off-by: Brian Gerst <brgerst@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'arch/x86/xen/mmu.c')
-rw-r--r--arch/x86/xen/mmu.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 7bc7852cc5c..98cb9869eb2 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1063,11 +1063,7 @@ static void drop_other_mm_ref(void *info)
struct mm_struct *mm = info;
struct mm_struct *active_mm;
-#ifdef CONFIG_X86_64
- active_mm = read_pda(active_mm);
-#else
- active_mm = __get_cpu_var(cpu_tlbstate).active_mm;
-#endif
+ active_mm = percpu_read(cpu_tlbstate.active_mm);
if (active_mm == mm)
leave_mm(smp_processor_id());