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authorHendrik Brueckner <brueckner@linux.ibm.com>2018-08-08 08:12:22 (GMT)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2019-02-22 08:19:49 (GMT)
commitf944bcdf5b8431c68be8bdd13259d27412e45c14 (patch)
tree76c83579cbc52e9aa475bd495b5130a6814b76d8 /arch/s390/include
parentf1c0b83173e59c34daec48de92c0c2934e7417b2 (diff)
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.h9
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 63fa741..82e0b80 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);

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