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