diff options
| author | Maciej Żenczykowski <maze@google.com> | 2020-04-26 19:15:25 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-04-26 19:43:05 +0300 |
| commit | 71d19214776e61b33da48f7c1b46e522c7f78221 (patch) | |
| tree | 424b2ecd19cc56edb46333e2a2773cd062bdaf82 /drivers/media | |
| parent | 0a05861f80fe7d4dcfdabcc98d9854947573e072 (diff) | |
| download | linux-71d19214776e61b33da48f7c1b46e522c7f78221.tar.xz | |
bpf: add bpf_ktime_get_boot_ns()
On a device like a cellphone which is constantly suspending
and resuming CLOCK_MONOTONIC is not particularly useful for
keeping track of or reacting to external network events.
Instead you want to use CLOCK_BOOTTIME.
Hence add bpf_ktime_get_boot_ns() as a mirror of bpf_ktime_get_ns()
based around CLOCK_BOOTTIME instead of CLOCK_MONOTONIC.
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/rc/bpf-lirc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/rc/bpf-lirc.c b/drivers/media/rc/bpf-lirc.c index 0f3417d161b8..069c42f22a8c 100644 --- a/drivers/media/rc/bpf-lirc.c +++ b/drivers/media/rc/bpf-lirc.c @@ -103,6 +103,8 @@ lirc_mode2_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog) return &bpf_map_peek_elem_proto; case BPF_FUNC_ktime_get_ns: return &bpf_ktime_get_ns_proto; + case BPF_FUNC_ktime_get_boot_ns: + return &bpf_ktime_get_boot_ns_proto; case BPF_FUNC_tail_call: return &bpf_tail_call_proto; case BPF_FUNC_get_prandom_u32: |