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| author | Andrii Nakryiko <andrii@kernel.org> | 2024-08-29 19:42:27 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-09-11 18:58:30 +0200 |
| commit | 45b8fc3096542a53bfd245a9ad8ef870384b4897 (patch) | |
| tree | aa3e8ebc9186ed39d591841f629451762240801c /kernel/events | |
| parent | lib/buildid: remove single-page limit for PHDR search (diff) | |
| download | linux-45b8fc3096542a53bfd245a9ad8ef870384b4897.tar.xz linux-45b8fc3096542a53bfd245a9ad8ef870384b4897.zip | |
lib/buildid: rename build_id_parse() into build_id_parse_nofault()
Make it clear that build_id_parse() assumes that it can take no page
fault by renaming it and current few users to build_id_parse_nofault().
Also add build_id_parse() stub which for now falls back to non-sleepable
implementation, but will be changed in subsequent patches to take
advantage of sleepable context. PROCMAP_QUERY ioctl() on
/proc/<pid>/maps file is using build_id_parse() and will automatically
take advantage of more reliable sleepable context implementation.
Reviewed-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240829174232.3133883-6-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/events')
| -rw-r--r-- | kernel/events/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index c973e3c11e03..c78a77f9dce4 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -8851,7 +8851,7 @@ got_name: mmap_event->event_id.header.size = sizeof(mmap_event->event_id) + size; if (atomic_read(&nr_build_id_events)) - build_id_parse(vma, mmap_event->build_id, &mmap_event->build_id_size); + build_id_parse_nofault(vma, mmap_event->build_id, &mmap_event->build_id_size); perf_iterate_sb(perf_event_mmap_output, mmap_event, |