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| author | Uros Bizjak <ubizjak@gmail.com> | 2025-12-16 13:51:20 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2026-03-07 17:46:10 +0300 |
| commit | 09fbb775f1d01945119c4a0be4afacf30cc86796 (patch) | |
| tree | 58297eac9ff44cfbd328295bdb73a6a61fc36724 | |
| parent | 11439c4635edd669ae435eec308f4ab8a0804808 (diff) | |
| download | linux-09fbb775f1d01945119c4a0be4afacf30cc86796.tar.xz | |
x86/asm: Use inout "+" asm onstraint modifiers in __iowrite32_copy()
Use inout "+" asm constraint modifiers to simplify asm operands.
No functional changes intended.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Link: https://patch.msgid.link/20251216105134.248196-1-ubizjak@gmail.com
| -rw-r--r-- | arch/x86/include/asm/io.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index ca309a3227c7..2ea25745e059 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -218,9 +218,8 @@ static inline void __iowrite32_copy(void __iomem *to, const void *from, size_t count) { asm volatile("rep movsl" - : "=&c"(count), "=&D"(to), "=&S"(from) - : "0"(count), "1"(to), "2"(from) - : "memory"); + : "+D"(to), "+S"(from), "+c"(count) + : : "memory"); } #define __iowrite32_copy __iowrite32_copy #endif |