[PATCH 15/20] x86/cpu/amd: Use named asm operands in asm_clear_divider()

From: Josh Poimboeuf
Date: Fri Mar 14 2025 - 17:50:30 EST


Use named inline asm operands in preparation for using alternative_io().

Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
---
arch/x86/include/asm/processor.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index a1baf2fc5f9b..b458ff0e4c79 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -709,8 +709,8 @@ static inline u32 per_cpu_l2c_id(unsigned int cpu)
*/
static __always_inline void amd_clear_divider(void)
{
- asm volatile(ALTERNATIVE("", "div %2\n\t", X86_BUG_DIV0)
- :: "a" (0), "d" (0), "r" (1));
+ asm volatile(ALTERNATIVE("", "div %[one]\n\t", X86_BUG_DIV0)
+ :: "a" (0), "d" (0), [one] "r" (1));
}

extern void amd_check_microcode(void);
--
2.48.1