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authorIngo Molnar <mingo@kernel.org>2018-04-09 18:24:58 +0200
committerIngo Molnar <mingo@kernel.org>2018-04-09 18:24:58 +0200
commitee1400dda31814d0a61c964ad87da6880edec0e2 (patch)
treeefa8774a97234cf93b22877a51a54f71f9e979cb /arch/x86/events/intel/pt.c
parent071ccc966ba5db1ac8f5c24b0faebb37698f68db (diff)
parentbc16d4052f1ae99996f3475b5a73d29c86e7ba81 (diff)
downloadlinux-ee1400dda31814d0a61c964ad87da6880edec0e2.tar.gz
Merge branch 'linus' into x86/pti to pick up upstream changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/events/intel/pt.c')
-rw-r--r--arch/x86/events/intel/pt.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 81fd41d5a0d9..3b993942a0e4 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -1186,8 +1186,12 @@ static int pt_event_addr_filters_validate(struct list_head *filters)
int range = 0;
list_for_each_entry(filter, filters, entry) {
- /* PT doesn't support single address triggers */
- if (!filter->range || !filter->size)
+ /*
+ * PT doesn't support single address triggers and
+ * 'start' filters.
+ */
+ if (!filter->size ||
+ filter->action == PERF_ADDR_FILTER_ACTION_START)
return -EOPNOTSUPP;
if (!filter->inode) {
@@ -1227,7 +1231,10 @@ static void pt_event_addr_filters_sync(struct perf_event *event)
filters->filter[range].msr_a = msr_a;
filters->filter[range].msr_b = msr_b;
- filters->filter[range].config = filter->filter ? 1 : 2;
+ if (filter->action == PERF_ADDR_FILTER_ACTION_FILTER)
+ filters->filter[range].config = 1;
+ else
+ filters->filter[range].config = 2;
range++;
}