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authorJakub Kicinski <kuba@kernel.org>2022-02-17 11:44:20 -0800
committerJakub Kicinski <kuba@kernel.org>2022-02-17 11:44:20 -0800
commit6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c (patch)
tree49737aa9d6b50154c37ac9b2d6f6021b9eab61c1 /tools/include/uapi/linux
parentbe6b41c15dc09c067492bd23668763f551747e4e (diff)
parent8b97cae315cafd7debf3601f88621e2aa8956ef3 (diff)
downloadlinux-6b5567b1b21b0efc544b154dc023b7dd4b4dcf4c.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/include/uapi/linux')
-rw-r--r--tools/include/uapi/linux/perf_event.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 1b65042ab1db..82858b697c05 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/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;
};