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authorIngo Molnar <mingo@elte.hu>2011-02-16 13:31:51 +0100
committerIngo Molnar <mingo@elte.hu>2011-02-16 13:31:55 +0100
commit48fa4b8ecf683f5e411303553da9e186e8b8406e (patch)
tree76cec4aa8cca18a44b1bd6e5be68c462a0e66d5f /arch/s390/lib/uaccess_std.c
parentd95f412200652694e63e64bfd49f0ae274a54479 (diff)
parent85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff)
Merge commit 'v2.6.38-rc5' into sched/core
Merge reason: Pick up upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/s390/lib/uaccess_std.c')
-rw-r--r--arch/s390/lib/uaccess_std.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/s390/lib/uaccess_std.c b/arch/s390/lib/uaccess_std.c
index 07deaeee14c..a6c4f7ed24a 100644
--- a/arch/s390/lib/uaccess_std.c
+++ b/arch/s390/lib/uaccess_std.c
@@ -125,9 +125,9 @@ static size_t copy_in_user_std(size_t size, void __user *to,
unsigned long tmp1;
asm volatile(
+ " sacf 256\n"
" "AHI" %0,-1\n"
" jo 5f\n"
- " sacf 256\n"
" bras %3,3f\n"
"0:"AHI" %0,257\n"
"1: mvc 0(1,%1),0(%2)\n"
@@ -142,9 +142,8 @@ static size_t copy_in_user_std(size_t size, void __user *to,
"3:"AHI" %0,-256\n"
" jnm 2b\n"
"4: ex %0,1b-0b(%3)\n"
- " sacf 0\n"
"5: "SLR" %0,%0\n"
- "6:\n"
+ "6: sacf 0\n"
EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b)
: "+a" (size), "+a" (to), "+a" (from), "=a" (tmp1)
: : "cc", "memory");
@@ -156,9 +155,9 @@ static size_t clear_user_std(size_t size, void __user *to)
unsigned long tmp1, tmp2;
asm volatile(
+ " sacf 256\n"
" "AHI" %0,-1\n"
" jo 5f\n"
- " sacf 256\n"
" bras %3,3f\n"
" xc 0(1,%1),0(%1)\n"
"0:"AHI" %0,257\n"
@@ -178,9 +177,8 @@ static size_t clear_user_std(size_t size, void __user *to)
"3:"AHI" %0,-256\n"
" jnm 2b\n"
"4: ex %0,0(%3)\n"
- " sacf 0\n"
"5: "SLR" %0,%0\n"
- "6:\n"
+ "6: sacf 0\n"
EX_TABLE(1b,6b) EX_TABLE(2b,0b) EX_TABLE(4b,0b)
: "+a" (size), "+a" (to), "=a" (tmp1), "=a" (tmp2)
: : "cc", "memory");