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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.
Linus Torvalds 19 gadi atpakaļ
vecāks
revīzija
0d262424b0
2 mainītis faili ar 5 papildinājumiem un 2 dzēšanām
  1. 5 0
      arch/sparc64/mm/tlb.c
  2. 0 2
      include/asm-sparc64/tlbflush.h

+ 5 - 0
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)

+ 0 - 2
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