sparc64: fix FP corruption in user copy functions

[deliverable/linux.git] / arch / sparc / lib / U3copy_to_user.S

diff --git a/arch/sparc/lib/U3copy_to_user.S b/arch/sparc/lib/U3copy_to_user.S
index ef1e493afdfa900a1b32863c2bf2995560cbe0cd..845139d7553720ce5fe98d6e30bcb11215f71e2f 100644 (file)
--- a/arch/sparc/lib/U3copy_to_user.S
+++ b/arch/sparc/lib/U3copy_to_user.S
@@ -11,6 +11,14 @@
        .text;                  \
        .align 4;
 
+#define EX_ST_FP(x)            \
+98:    x;                      \
+       .section __ex_table,"a";\
+       .align 4;               \
+       .word 98b, __retl_one_fp;\
+       .text;                  \
+       .align 4;
+
 #define FUNC_NAME              U3copy_to_user
 #define STORE(type,src,addr)   type##a src, [addr] ASI_AIUS
 #define STORE_BLK(src,addr)    stda src, [addr] ASI_BLK_AIUS