diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable_64.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable_64.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index cda88b804d21..494fc111ef90 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -515,7 +515,8 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, unsigned long set) { - unsigned long old, tmp; + __be64 old_be, tmp; + unsigned long old; #ifdef CONFIG_DEBUG_VM WARN_ON(!pmd_trans_huge(*pmdp)); @@ -524,16 +525,19 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr, __asm__ __volatile__( "1: ldarx %0,0,%3\n\ - andi. %1,%0,%6\n\ + and. %1,%0,%6\n\ bne- 1b \n\ andc %1,%0,%4 \n\ or %1,%1,%7\n\ stdcx. %1,0,%3 \n\ bne- 1b" - : "=&r" (old), "=&r" (tmp), "=m" (*pmdp) - : "r" (pmdp), "r" (clr), "m" (*pmdp), "i" (_PAGE_BUSY), "r" (set) + : "=&r" (old_be), "=&r" (tmp), "=m" (*pmdp) + : "r" (pmdp), "r" (cpu_to_be64(clr)), "m" (*pmdp), + "r" (cpu_to_be64(_PAGE_BUSY)), "r" (cpu_to_be64(set)) : "cc" ); + old = be64_to_cpu(old_be); + trace_hugepage_update(addr, old, clr, set); if (old & _PAGE_HASHPTE) hpte_do_hugepage_flush(mm, addr, pmdp, old); |