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authorHeiko Carstens <hca@linux.ibm.com>2022-03-13 22:39:27 +0100
committerVasily Gorbik <gor@linux.ibm.com>2022-03-27 22:18:39 +0200
commit6982dba181deba54c5ccb301aaed6f6ec14c6310 (patch)
tree3c5445e4c4d06569fb27da3d14b3ea3f19ec670f /arch/s390/lib/spinlock.c
parent4afeb670710efa5cd5ed8b1d9f2d22d6ce332bcc (diff)
s390/alternatives: use insn format for new instructions
Use insn format with instruction format specifier instead of plain longs. This way it is also more obvious that code instead of data is generated. The generated code is identical. Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/lib/spinlock.c')
-rw-r--r--arch/s390/lib/spinlock.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 692dc84cd19c..5e7ea8b111e8 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -75,7 +75,7 @@ static inline int arch_load_niai4(int *lock)
int owner;
asm_inline volatile(
- ALTERNATIVE("", ".long 0xb2fa0040", 49) /* NIAI 4 */
+ ALTERNATIVE("", ".insn rre,0xb2fa0000,4,0", 49) /* NIAI 4 */
" l %0,%1\n"
: "=d" (owner) : "Q" (*lock) : "memory");
return owner;
@@ -86,7 +86,7 @@ static inline int arch_cmpxchg_niai8(int *lock, int old, int new)
int expected = old;
asm_inline volatile(
- ALTERNATIVE("", ".long 0xb2fa0080", 49) /* NIAI 8 */
+ ALTERNATIVE("", ".insn rre,0xb2fa0000,8,0", 49) /* NIAI 8 */
" cs %0,%3,%1\n"
: "=d" (old), "=Q" (*lock)
: "0" (old), "d" (new), "Q" (*lock)