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-rw-r--r--arch/sparc64/lib/copy_page.S7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/sparc64/lib/copy_page.S b/arch/sparc64/lib/copy_page.S
index feebb14fd27a..37460666a5c3 100644
--- a/arch/sparc64/lib/copy_page.S
+++ b/arch/sparc64/lib/copy_page.S
@@ -23,8 +23,6 @@
23 * disable preemption during the clear. 23 * disable preemption during the clear.
24 */ 24 */
25 25
26#define TTE_BITS_TOP (_PAGE_VALID | _PAGE_SZBITS)
27#define TTE_BITS_BOTTOM (_PAGE_CP | _PAGE_CV | _PAGE_P | _PAGE_L | _PAGE_W)
28#define DCACHE_SIZE (PAGE_SIZE * 2) 26#define DCACHE_SIZE (PAGE_SIZE * 2)
29 27
30#if (PAGE_SHIFT == 13) || (PAGE_SHIFT == 19) 28#if (PAGE_SHIFT == 13) || (PAGE_SHIFT == 19)
@@ -52,13 +50,12 @@ copy_user_page: /* %o0=dest, %o1=src, %o2=vaddr */
52 sethi %hi(PAGE_SIZE), %o3 50 sethi %hi(PAGE_SIZE), %o3
53 51
54 sllx %g2, 32, %g2 52 sllx %g2, 32, %g2
55 sethi %uhi(TTE_BITS_TOP), %g3 53 sethi %hi(PAGE_KERNEL_LOCKED), %g3
56 54
57 sllx %g3, 32, %g3 55 ldx [%g3 + %lo(PAGE_KERNEL_LOCKED)], %g3
58 sub %o0, %g2, %g1 ! dest paddr 56 sub %o0, %g2, %g1 ! dest paddr
59 57
60 sub %o1, %g2, %g2 ! src paddr 58 sub %o1, %g2, %g2 ! src paddr
61 or %g3, TTE_BITS_BOTTOM, %g3
62 59
63 and %o2, %o3, %o0 ! vaddr D-cache alias bit 60 and %o2, %o3, %o0 ! vaddr D-cache alias bit
64 or %g1, %g3, %g1 ! dest TTE data 61 or %g1, %g3, %g1 ! dest TTE data