[S390] Add EX_TABLE for addressing exception in usercopy functions.

[pandora-kernel.git] / arch / s390 / lib / uaccess_mvcos.c

diff --git a/arch/s390/lib/uaccess_mvcos.c b/arch/s390/lib/uaccess_mvcos.c
index 3f15aaf..58da3f4 100644 (file)
--- a/arch/s390/lib/uaccess_mvcos.c
+++ b/arch/s390/lib/uaccess_mvcos.c
@@ -36,7 +36,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
        tmp1 = -4096UL;
        asm volatile(
                "0: .insn ss,0xc80000000000,0(%0,%2),0(%1),0\n"
-               "   jz    7f\n"
+               "9: jz    7f\n"
                "1:"ALR"  %0,%3\n"
                "  "SLR"  %1,%3\n"
                "  "SLR"  %2,%3\n"
@@ -47,7 +47,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
                "  "CLR"  %0,%4\n"      /* copy crosses next page boundary? */
                "   jnh   4f\n"
                "3: .insn ss,0xc80000000000,0(%4,%2),0(%1),0\n"
-               "  "SLR"  %0,%4\n"
+               "10:"SLR"  %0,%4\n"
                "  "ALR"  %2,%4\n"
                "4:"LHI"  %4,-1\n"
                "  "ALR"  %4,%0\n"      /* copy remaining size, subtract 1 */
@@ -61,7 +61,7 @@ static size_t copy_from_user_mvcos(size_t size, const void __user *ptr, void *x)
                "   j     8f\n"
                "7:"SLR"  %0,%0\n"
                "8: \n"
-               EX_TABLE(0b,2b) EX_TABLE(3b,4b)
+               EX_TABLE(0b,2b) EX_TABLE(3b,4b) EX_TABLE(9b,2b) EX_TABLE(10b,4b)
                : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
                : "d" (reg0) : "cc", "memory");
        return size;
@@ -82,7 +82,7 @@ static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x)
        tmp1 = -4096UL;
        asm volatile(
                "0: .insn ss,0xc80000000000,0(%0,%1),0(%2),0\n"
-               "   jz    4f\n"
+               "6: jz    4f\n"
                "1:"ALR"  %0,%3\n"
                "  "SLR"  %1,%3\n"
                "  "SLR"  %2,%3\n"
@@ -93,11 +93,11 @@ static size_t copy_to_user_mvcos(size_t size, void __user *ptr, const void *x)
                "  "CLR"  %0,%4\n"      /* copy crosses next page boundary? */
                "   jnh   5f\n"
                "3: .insn ss,0xc80000000000,0(%4,%1),0(%2),0\n"
-               "  "SLR"  %0,%4\n"
+               "7:"SLR"  %0,%4\n"
                "   j     5f\n"
                "4:"SLR"  %0,%0\n"
                "5: \n"
-               EX_TABLE(0b,2b) EX_TABLE(3b,5b)
+               EX_TABLE(0b,2b) EX_TABLE(3b,5b) EX_TABLE(6b,2b) EX_TABLE(7b,5b)
                : "+a" (size), "+a" (ptr), "+a" (x), "+a" (tmp1), "=a" (tmp2)
                : "d" (reg0) : "cc", "memory");
        return size;