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Convert the explicit relocated lowcore alternative type to a more generic machine feature. This only reduces the number of alternative types, but has no impact on code generation. Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
29 lines
595 B
C
29 lines
595 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_ABS_LOWCORE_H
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#define _ASM_S390_ABS_LOWCORE_H
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#include <linux/smp.h>
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#include <asm/lowcore.h>
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#define ABS_LOWCORE_MAP_SIZE (NR_CPUS * sizeof(struct lowcore))
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extern unsigned long __abs_lowcore;
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int abs_lowcore_map(int cpu, struct lowcore *lc, bool alloc);
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void abs_lowcore_unmap(int cpu);
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static inline struct lowcore *get_abs_lowcore(void)
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{
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int cpu;
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cpu = get_cpu();
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return ((struct lowcore *)__abs_lowcore) + cpu;
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}
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static inline void put_abs_lowcore(struct lowcore *lc)
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{
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put_cpu();
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}
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#endif /* _ASM_S390_ABS_LOWCORE_H */
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