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Subject[patch 03/11] Fix __ffs_word_loop/__ffz_word_loop inlnie assembly.
From: Martin Schwidefsky <schwidefsky@de.ibm.com>

The black art of inline assemblies.. The new __ffs_word_loop/
__ffz_word_loop inline assemblies need an early clobber for the
two input/output variables.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
include/asm-s390/bitops.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: quilt-2.6/include/asm-s390/bitops.h
===================================================================
--- quilt-2.6.orig/include/asm-s390/bitops.h
+++ quilt-2.6/include/asm-s390/bitops.h
@@ -472,7 +472,7 @@ static inline unsigned long __ffz_word_l
" brct %1,0b\n"
"1:\n"
#endif
- : "+a" (bytes), "+d" (size)
+ : "+&a" (bytes), "+&d" (size)
: "d" (-1UL), "a" (addr), "m" (*(addrtype *) addr)
: "cc" );
return bytes;
@@ -507,7 +507,7 @@ static inline unsigned long __ffs_word_l
" brct %1,0b\n"
"1:\n"
#endif
- : "+a" (bytes), "+a" (size)
+ : "+&a" (bytes), "+&a" (size)
: "d" (0UL), "a" (addr), "m" (*(addrtype *) addr)
: "cc" );
return bytes;
--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.



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