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x86/resctrl: Use _ASM_BX to avoid ifdeffery

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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 <ubizjak@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190606200044.5730-1-ubizjak@gmail.com
This commit is contained in:
Uros Bizjak 2019-06-06 22:00:44 +02:00 committed by Borislav Petkov
parent d1fdb6d8f6
commit 515f045375
1 changed files with 1 additions and 5 deletions
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6
arch/x86/kernel/cpu/resctrl/pseudo_lock.c
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@ -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 */
/*