Commit-ID:  515f0453752e3daba7c47d37d9172a66509a56fd
Gitweb:     https://git.kernel.org/tip/515f0453752e3daba7c47d37d9172a66509a56fd
Author:     Uros Bizjak <[email protected]>
AuthorDate: Thu, 6 Jun 2019 22:00:44 +0200
Committer:  Borislav Petkov <[email protected]>
CommitDate: Mon, 10 Jun 2019 22:36:38 +0200

x86/resctrl: Use _ASM_BX to avoid ifdeffery

Use the _ASM_BX macro which expands to either %rbx or %ebx, depending on
the 32-bit or 64-bit config selected.

Signed-off-by: Uros Bizjak <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Reinette Chatre <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: x86-ml <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
 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 */
 
        /*

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