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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/s390/include/asm/abs_lowcore.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/s390/include/asm/abs_lowcore.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/s390/include/asm/abs_lowcore.h b/arch/s390/include/asm/abs_lowcore.h new file mode 100644 index 0000000000..6f264b79e3 --- /dev/null +++ b/arch/s390/include/asm/abs_lowcore.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_ABS_LOWCORE_H +#define _ASM_S390_ABS_LOWCORE_H + +#include <asm/lowcore.h> + +#define ABS_LOWCORE_MAP_SIZE (NR_CPUS * sizeof(struct lowcore)) + +extern unsigned long __abs_lowcore; + +int abs_lowcore_map(int cpu, struct lowcore *lc, bool alloc); +void abs_lowcore_unmap(int cpu); + +static inline struct lowcore *get_abs_lowcore(void) +{ + int cpu; + + cpu = get_cpu(); + return ((struct lowcore *)__abs_lowcore) + cpu; +} + +static inline void put_abs_lowcore(struct lowcore *lc) +{ + put_cpu(); +} + +#endif /* _ASM_S390_ABS_LOWCORE_H */ |