blob: e072577bc7c03b55daa3eaed514febeac431b497 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _ASM_POWERPC_VDSO_PROCESSOR_H
#define _ASM_POWERPC_VDSO_PROCESSOR_H
#ifndef __ASSEMBLY__
/* Macros for adjusting thread priority (hardware multi-threading) */
#define HMT_very_low() asm volatile("or 31, 31, 31 # very low priority")
#define HMT_low() asm volatile("or 1, 1, 1 # low priority")
#define HMT_medium_low() asm volatile("or 6, 6, 6 # medium low priority")
#define HMT_medium() asm volatile("or 2, 2, 2 # medium priority")
#define HMT_medium_high() asm volatile("or 5, 5, 5 # medium high priority")
#define HMT_high() asm volatile("or 3, 3, 3 # high priority")
#ifdef CONFIG_PPC64
#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
#else
#define cpu_relax() barrier()
#endif
#endif /* __ASSEMBLY__ */
#endif /* _ASM_POWERPC_VDSO_PROCESSOR_H */