diff options
| author | Christoph Hellwig <[email protected]> | 2020-06-08 21:35:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2020-06-09 09:39:16 -0700 |
| commit | 2a71e81d32198785387c8bc0f2cc5d78f84e2e78 (patch) | |
| tree | 8fae2ecb69aa0286ab0e2c7fe9e3ca3678f37251 /tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py | |
| parent | fa94111d94354de76c47fea6e1187d1ee91e23a7 (diff) | |
maccess: return -ERANGE when probe_kernel_read() fails
Allow the callers to distinguish a real unmapped address vs a range
that can't be probed.
Suggested-by: Masami Hiramatsu <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Reviewed-by: Masami Hiramatsu <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Daniel Borkmann <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/EventClass.py')
0 files changed, 0 insertions, 0 deletions