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Message-Id: <20190606200044.5730-1-ubizjak@gmail.com>
Date: Thu, 6 Jun 2019 22:00:44 +0200
From: Uros Bizjak <ubizjak@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Uros Bizjak <ubizjak@...il.com>, Fenghua Yu <fenghua.yu@...el.com>,
Reinette Chatre <reinette.chatre@...el.com>, x86@...nel.org
Subject: [PATCH] x86/resctrl: Use _ASM_BX to avoid #ifdef CONFIG_X86_64
Depending on CONFIG_X86_64 _ASM_BX expands to either rbx or ebx.
Cc: Fenghua Yu <fenghua.yu@...el.com>
Cc: Reinette Chatre <reinette.chatre@...el.com>
Cc: x86@...nel.org
Signed-off-by: Uros Bizjak <ubizjak@...il.com>
---
arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
index 604c0e3bcc83..09408794eab2 100644
--- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
+++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c
@@ -431,11 +431,7 @@ static int pseudo_lock_fn(void *_rdtgrp)
#else
register unsigned int line_size asm("esi");
register unsigned int size asm("edi");
-#ifdef CONFIG_X86_64
- register void *mem_r asm("rbx");
-#else
- register void *mem_r asm("ebx");
-#endif /* CONFIG_X86_64 */
+ register void *mem_r asm(_ASM_BX);
#endif /* CONFIG_KASAN */
/*
--
2.21.0
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