| Message ID | 1471019156-5485-6-git-send-email-pawel.moll@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/bus/arm-ccn.c b/drivers/bus/arm-ccn.c index e7c2321..f2e099b 100644 --- a/drivers/bus/arm-ccn.c +++ b/drivers/bus/arm-ccn.c @@ -744,7 +744,8 @@ static int arm_ccn_pmu_event_init(struct perf_event *event) if (has_branch_stack(event) || event->attr.exclude_user || event->attr.exclude_kernel || event->attr.exclude_hv || - event->attr.exclude_idle) { + event->attr.exclude_idle || event->attr.exclude_host || + event->attr.exclude_guest) { dev_warn(ccn->dev, "Can't exclude execution levels!\n"); return -EOPNOTSUPP; }
CCN PMUs have no knowledge into VM-related origins of the memory traffic, therefore can't handle requests for host-only or guest-only events. Add appropriate exclusions (they should have been there from the beginning). Signed-off-by: Pawel Moll <pawel.moll@arm.com> --- drivers/bus/arm-ccn.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)