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Message-ID: <ced9352a854e896e00f57ab2b062526d688a5b8a.1741988314.git.jpoimboe@kernel.org>
Date: Fri, 14 Mar 2025 14:41:28 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Peter Zijlstra <peterz@...radead.org>,
Borislav Petkov <bp@...en8.de>,
"H. Peter Anvin" <hpa@...or.com>,
Uros Bizjak <ubizjak@...il.com>,
Andrew Cooper <andrew.cooper3@...rix.com>,
Ingo Molnar <mingo@...nel.org>
Subject: [PATCH 15/20] x86/cpu/amd: Use named asm operands in asm_clear_divider()
Use named inline asm operands in preparation for using alternative_io().
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
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
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