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| author |   Heiko Carstens <hca@linux.ibm.com> | 2021-06-17 20:30:15 +0200 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2021-06-28 11:18:28 +0200 |
| commit | 2bd67038f89e6400afcdbdc53ad1fde674a58195 (patch) | |
| tree | a990db595c7e17b946f255b8570e7f4cf1d3e2c9 /arch/s390/mm | |
| parent | s390/lib,xor: get rid of register asm (diff) | |
| download | linux-dev-2bd67038f89e6400afcdbdc53ad1fde674a58195.tar.xz linux-dev-2bd67038f89e6400afcdbdc53ad1fde674a58195.zip | |
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>
Diffstat (limited to 'arch/s390/mm')
| -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; } |