summaryrefslogtreecommitdiff
path: root/arch/microblaze/include/asm/pgtable.h
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2011-02-15 16:26:41 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-02-15 16:26:41 +0900
commitd60cf53a30956e47919788b2ef49287786a959c9 (patch)
treecb518d7cc4813f4b54a3fd5fcaad43e6d82be6a3 /arch/microblaze/include/asm/pgtable.h
parent0ce08870b8a4895044b6cf2bbdc774a6faaa3656 (diff)
parent13c12a4e8ecdf3998cd2d89ade69f6f194819c95 (diff)
Merge branch 'sh/st-integration' into sh/urgent
Diffstat (limited to 'arch/microblaze/include/asm/pgtable.h')
-rw-r--r--arch/microblaze/include/asm/pgtable.h27
1 files changed, 13 insertions, 14 deletions
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index b23f68075879..885574a73f01 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -411,20 +411,19 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
static inline unsigned long pte_update(pte_t *p, unsigned long clr,
unsigned long set)
{
- unsigned long old, tmp, msr;
-
- __asm__ __volatile__("\
- msrclr %2, 0x2\n\
- nop\n\
- lw %0, %4, r0\n\
- andn %1, %0, %5\n\
- or %1, %1, %6\n\
- sw %1, %4, r0\n\
- mts rmsr, %2\n\
- nop"
- : "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p)
- : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p)
- : "cc");
+ unsigned long flags, old, tmp;
+
+ raw_local_irq_save(flags);
+
+ __asm__ __volatile__( "lw %0, %2, r0 \n"
+ "andn %1, %0, %3 \n"
+ "or %1, %1, %4 \n"
+ "sw %1, %2, r0 \n"
+ : "=&r" (old), "=&r" (tmp)
+ : "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set)
+ : "cc");
+
+ raw_local_irq_restore(flags);
return old;
}