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| author | Hendrik Brueckner <brueckner@linux.ibm.com> | 2018-08-08 11:12:22 +0300 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2019-02-22 11:19:49 +0300 |
| commit | f944bcdf5b8431c68be8bdd13259d27412e45c14 (patch) | |
| tree | 76c83579cbc52e9aa475bd495b5130a6814b76d8 /arch/s390/include | |
| parent | f1c0b83173e59c34daec48de92c0c2934e7417b2 (diff) | |
| download | linux-f944bcdf5b8431c68be8bdd13259d27412e45c14.tar.xz | |
s390/cpu_mf: move struct cpu_cf_events and per-CPU variable to header file
Make the struct cpu_cf_events and the respective per-CPU variable available
to in-kernel users. Access to this per-CPU variable shall be done between
the calls to __kernel_cpumcf_begin() and __kernel_cpumcf_end().
Signed-off-by: Hendrik Brueckner <brueckner@linux.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/cpu_mcf.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/include/asm/cpu_mcf.h b/arch/s390/include/asm/cpu_mcf.h index 63fa74115cba..82e0b80f2c81 100644 --- a/arch/s390/include/asm/cpu_mcf.h +++ b/arch/s390/include/asm/cpu_mcf.h @@ -49,6 +49,15 @@ static inline void ctr_set_stop(u64 *state, int ctr_set) *state &= ~(cpumf_ctr_ctl[ctr_set] << CPUMF_LCCTL_ACTCTL_SHIFT); } +struct cpu_cf_events { + struct cpumf_ctr_info info; + atomic_t ctr_set[CPUMF_CTR_SET_MAX]; + u64 state, tx_state; + unsigned int flags; + unsigned int txn_flags; +}; +DECLARE_PER_CPU(struct cpu_cf_events, cpu_cf_events); + int __kernel_cpumcf_begin(void); void __kernel_cpumcf_end(void); |