Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Disable preemption during flush_tlb_pending().
  [SPARC64]: Kill __flush_tlb_page() prototype.

2 files changed, 5 insertions, 2 deletions

diff --git a/arch/sparc64/mm/tlb.c b/arch/sparc64/mm/tlb.c
index a079cf42505e..3f10fc921b00 100644
--- a/arch/sparc64/mm/tlb.c
+++ b/arch/sparc64/mm/tlb.c
@@ -8,6 +8,7 @@
 #include <linux/percpu.h>
 #include <linux/mm.h>
 #include <linux/swap.h>
+#include <linux/preempt.h>
 
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -24,6 +25,8 @@ void flush_tlb_pending(void)
 {
         struct mmu_gather *mp = &__get_cpu_var(mmu_gathers);
 
+        preempt_disable();
+
         if (mp->tlb_nr) {
                 flush_tsb_user(mp);
 
@@ -38,6 +41,8 @@ void flush_tlb_pending(void)
                 }
                 mp->tlb_nr = 0;
         }
+
+        preempt_enable();
 }
 
 void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig)
diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h
index 9ad5d9c51d42..e3a7c453b500 100644
--- a/include/asm-sparc64/tlbflush.h
+++ b/include/asm-sparc64/tlbflush.h
@@ -22,8 +22,6 @@ extern void flush_tlb_pending(void);
 /* Local cpu only.  */
 extern void __flush_tlb_all(void);
 
-extern void __flush_tlb_page(unsigned long context, unsigned long page, unsigned long r);
-
 extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end);
 
 #ifndef CONFIG_SMP