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authorStephen Boyd <sboyd@kernel.org>2022-03-15 14:06:06 -0700
committerStephen Boyd <sboyd@kernel.org>2022-03-15 14:06:06 -0700
commit99105cc81885e1278c927cdff15a3fdef5c29289 (patch)
treec48ea12335dc9006df715a05433f3f19a3570ff7 /include/uapi/linux/perf_event.h
parented06099c5d0b329082cc19c58eace0b20bf7fe70 (diff)
parent754e0b0e35608ed5206d6a67a791563c631cec07 (diff)
Merge tag 'v5.17-rc4' into clk-ti
We want to get commit 31aa7056bbec ("ARM: dts: Don't use legacy clock defines for dra7 clkctrl") so merge in the nearest rc.
Diffstat (limited to 'include/uapi/linux/perf_event.h')
-rw-r--r--include/uapi/linux/perf_event.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 1b65042ab1db..82858b697c05 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -465,6 +465,8 @@ struct perf_event_attr {
/*
* User provided data if sigtrap=1, passed back to user via
* siginfo_t::si_perf_data, e.g. to permit user to identify the event.
+ * Note, siginfo_t::si_perf_data is long-sized, and sig_data will be
+ * truncated accordingly on 32 bit architectures.
*/
__u64 sig_data;
};