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| author | Heiko Carstens <hca@linux.ibm.com> | 2021-06-17 21:30:15 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-06-28 12:18:28 +0300 |
| commit | 2bd67038f89e6400afcdbdc53ad1fde674a58195 (patch) | |
| tree | a990db595c7e17b946f255b8570e7f4cf1d3e2c9 | |
| parent | 7e86f967f4c98a6ad2a8c33c39f041e2955c05c8 (diff) | |
| download | linux-2bd67038f89e6400afcdbdc53ad1fde674a58195.tar.xz | |
s390/mm,pages-states: get rid of register asm
There is no reason to use fixed registers for the essa
instruction. Therefore remove the register asm construct.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
| -rw-r--r-- | arch/s390/mm/page-states.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index 7f0e154a470a..68b153083a92 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -31,17 +31,17 @@ __setup("cmma=", cmma); static inline int cmma_test_essa(void) { - register unsigned long tmp asm("0") = 0; - register int rc asm("1"); + unsigned long tmp = 0; + int rc = -EOPNOTSUPP; /* test ESSA_GET_STATE */ asm volatile( - " .insn rrf,0xb9ab0000,%1,%1,%2,0\n" - "0: la %0,0\n" + " .insn rrf,0xb9ab0000,%[tmp],%[tmp],%[cmd],0\n" + "0: la %[rc],0\n" "1:\n" EX_TABLE(0b,1b) - : "=&d" (rc), "+&d" (tmp) - : "i" (ESSA_GET_STATE), "0" (-EOPNOTSUPP)); + : [rc] "+&d" (rc), [tmp] "+&d" (tmp) + : [cmd] "i" (ESSA_GET_STATE)); return rc; } |