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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 03:22:47 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 03:22:47 +0000
commit31d3cc774e9124f10d3ed2ea144a6e232e93e822 (patch)
treede1ac8afc7248eec4b2fb60496b8e9273452d9f7 /drivers/perf/riscv_pmu.c
parentAdding upstream version 6.1.82. (diff)
downloadlinux-31d3cc774e9124f10d3ed2ea144a6e232e93e822.tar.xz
linux-31d3cc774e9124f10d3ed2ea144a6e232e93e822.zip
Adding upstream version 6.1.85.upstream/6.1.85
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/perf/riscv_pmu.c')
-rw-r--r--drivers/perf/riscv_pmu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/perf/riscv_pmu.c b/drivers/perf/riscv_pmu.c
index 56897d4d4..2d5cf135e 100644
--- a/drivers/perf/riscv_pmu.c
+++ b/drivers/perf/riscv_pmu.c
@@ -246,6 +246,10 @@ static int riscv_pmu_event_init(struct perf_event *event)
u64 event_config = 0;
uint64_t cmask;
+ /* driver does not support branch stack sampling */
+ if (has_branch_stack(event))
+ return -EOPNOTSUPP;
+
hwc->flags = 0;
mapped_event = rvpmu->event_map(event, &event_config);
if (mapped_event < 0) {