[PATCH 06/10] alpha: perf/core: generalise event exclusion checking with perf macro

From: Andrew Murray
Date: Fri Nov 16 2018 - 05:24:47 EST


Replace checking of perf event exclusion flags with perf macro.

This is a functional change as __hw_perf_event_init will now indicate
that it doesn't support exclude_host and exclude_guest event flags.

Signed-off-by: Andrew Murray <andrew.murray@xxxxxxx>
---
arch/alpha/kernel/perf_event.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c
index 5613aa37..36f98ee 100644
--- a/arch/alpha/kernel/perf_event.c
+++ b/arch/alpha/kernel/perf_event.c
@@ -631,10 +631,8 @@ static int __hw_perf_event_init(struct perf_event *event)
}

/* The EV67 does not support mode exclusion */
- if (attr->exclude_kernel || attr->exclude_user
- || attr->exclude_hv || attr->exclude_idle) {
+ if (event_has_exclude_flags(event))
return -EPERM;
- }

/*
* We place the event type in event_base here and leave calculation
--
2.7.4