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| author | Heiko Carstens <hca@linux.ibm.com> | 2026-10-01 12:32:38 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2026-10-13 17:04:56 +0200 |
| commit | 345a429724ec783254aa76c10d60bbf588ed5b02 (patch) | |
| tree | 4c4eb6407dabb34c0133594f23fbf3ee4ed85fd3 | |
| parent | 4ff587ae7fd92d6794a962f3776762d2de191c6b (diff) | |
s390/word-at-a-time: Convert inline assembly to EX_TABLE_INSN
Convert the load_unaligned_zeropad exception table entries to use
EX_TABLE_INSN. With EX_TABLE_INSN entries always point to the faulting
instruction, so the duplicate entry and nopr padding are no longer
needed and removed.
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
| -rw-r--r-- | arch/s390/include/asm/word-at-a-time.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/s390/include/asm/word-at-a-time.h b/arch/s390/include/asm/word-at-a-time.h index eaa19dee7699..0b7779c8d5a4 100644 --- a/arch/s390/include/asm/word-at-a-time.h +++ b/arch/s390/include/asm/word-at-a-time.h @@ -54,9 +54,8 @@ static inline unsigned long load_unaligned_zeropad(const void *addr) asm_inline volatile( "0: lg %[data],0(%[addr])\n" - "1: nopr %%r7\n" - EX_TABLE_ZEROPAD(0b, 1b, %[data], %[addr]) - EX_TABLE_ZEROPAD(1b, 1b, %[data], %[addr]) + "1:\n" + EX_TABLE_INSN_ZEROPAD(0b, 1b, %[data], %[addr]) : [data] "=d" (data) : [addr] "a" (addr), "m" (*(unsigned long *)addr)); return data; |