On Tue, 10 Mar 2020 10:47:15 -0700, Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> wrote: > On Mon, Mar 9, 2020 at 11:05 AM Stephen Kitt <steve@xxxxxxx> wrote: > > > > Based on the implementation in kernel/bpf/syscall.c, > > kernel/bpf/trampoline.c, include/linux/filter.h, and the documentation > > in bpftool-prog.rst. > > > > The section style doesn't match the surrounding sections; it matches > > the style of the reworked kernel.rst queued up in docs-next. > > > > Signed-off-by: Stephen Kitt <steve@xxxxxxx> > > --- > > > > Notes: > > Changes since v1: > > - rebased on bpf-next instead of docs-next. > > > > Documentation/admin-guide/sysctl/kernel.rst | 24 +++++++++++++++++++++ > > 1 file changed, 24 insertions(+) > > > > diff --git a/Documentation/admin-guide/sysctl/kernel.rst > > b/Documentation/admin-guide/sysctl/kernel.rst index > > def074807cee..eea7afd509ac 100644 --- > > a/Documentation/admin-guide/sysctl/kernel.rst +++ > > b/Documentation/admin-guide/sysctl/kernel.rst @@ -174,6 +174,20 @@ See > > the type_of_loader and ext_loader_ver fields in > > Documentation/x86/boot.rst for additional information. > > > > > > +bpf_stats_enabled > > +================= > > + > > +Controls whether the kernel should collect statistics on BPF programs > > +(total time spent running, number of times run...). Enabling > > +statistics causes a slight reduction in performance on each program > > +run. The statistics can be seen using ``bpftool``. > > + > > += =================================== > > +0 Don't collect statistics (default). > > +1 Collect statistics. > > += =================================== > > + > > + > > cap_last_cap: > > ============= > > > > @@ -1123,6 +1137,16 @@ NMI switch that most IA32 servers have fires > > unknown NMI up, for example. If a system hangs up, try pressing the NMI > > switch. > > > > > > +unprivileged_bpf_disabled > > +========================= > > + > > +Writing 1 to this entry will disabled unprivileged calls to ``bpf()``; > > same typo as was pointed out earlier. Oh dear, sorry about that, v3 is on its way :-(. Regards, Stephen
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