perfc_control() and perfc_copy_info() are responsible for providing control
of perf counters via XEN_SYSCTL_perfc_op in DOM0, so they both shall
be wrapped.
Signed-off-by: Penny Zheng <penny.zh...@amd.com>
---
xen/common/perfc.c | 2 ++
xen/include/xen/perfc.h | 8 ++++++++
2 files changed, 10 insertions(+)
diff --git a/xen/common/perfc.c b/xen/common/perfc.c
index 8302b7cf6d..0f3b89af2c 100644
--- a/xen/common/perfc.c
+++ b/xen/common/perfc.c
@@ -149,6 +149,7 @@ void cf_check perfc_reset(unsigned char key)
}
}
+#ifdef CONFIG_SYSCTL
static struct xen_sysctl_perfc_desc perfc_d[NR_PERFCTRS];
static xen_sysctl_perfc_val_t *perfc_vals;
static unsigned int perfc_nbr_vals;
@@ -265,6 +266,7 @@ int perfc_control(struct xen_sysctl_perfc_op *pc)
return rc;
}
+#endif /* CONFIG_SYSCTL */
/*
* Local variables:
diff --git a/xen/include/xen/perfc.h b/xen/include/xen/perfc.h
index bf0eb032f7..6cc8af12d5 100644
--- a/xen/include/xen/perfc.h
+++ b/xen/include/xen/perfc.h
@@ -5,6 +5,7 @@
#include <xen/macros.h>
#include <xen/percpu.h>
+#include <xen/errno.h>
/*
* NOTE: new counters must be defined in perfc_defn.h
@@ -92,7 +93,14 @@ DECLARE_PER_CPU(perfc_t[NUM_PERFCOUNTERS], perfcounters);
#endif
struct xen_sysctl_perfc_op;
+#ifdef CONFIG_SYSCTL
int perfc_control(struct xen_sysctl_perfc_op *pc);
+#else
+static inline int perfc_control(struct xen_sysctl_perfc_op *pc)
+{
+ return -EOPNOTSUPP;
+}
+#endif
extern void cf_check perfc_printall(unsigned char key);
extern void cf_check perfc_reset(unsigned char key);
--
2.34.1
