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s390/uaccess: use symbolic names for inline assembler operands

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Make code easier to read by using symbolic names.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2022-05-29 18:55:06 +02:00
parent 29ccaa4b35
commit 79a74dac44
1 changed files with 8 additions and 8 deletions
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16
arch/s390/include/asm/uaccess.h
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@ -278,12 +278,12 @@ int __noreturn __put_kernel_bad(void);
int __rc; \
\
asm volatile( \
"0: " insn " %2,%1\n" \
"1: xr %0,%0\n" \
"0: " insn " %[_val],%[_to]\n" \
"1: xr %[rc],%[rc]\n" \
"2:\n" \
EX_TABLE_UA(0b,2b,%0) EX_TABLE_UA(1b,2b,%0) \
: "=d" (__rc), "+Q" (*(to)) \
: "d" (val) \
: [rc] "=d" (__rc), [_to] "+Q" (*(to)) \
: [_val] "d" (val) \
: "cc"); \
__rc; \
})
@ -321,12 +321,12 @@ int __noreturn __get_kernel_bad(void);
int __rc; \
\
asm volatile( \
"0: " insn " %1,%2\n" \
"1: xr %0,%0\n" \
"0: " insn " %[_val],%[_from]\n" \
"1: xr %[rc],%[rc]\n" \
"2:\n" \
EX_TABLE_UA(0b,2b,%0) EX_TABLE_UA(1b,2b,%0) \
: "=d" (__rc), "+d" (val) \
: "Q" (*(from)) \
: [rc] "=d" (__rc), [_val] "+d" (val) \
: [_from] "Q" (*(from)) \
: "cc"); \
__rc; \
})