On Mon, Apr 05, 2021 at 04:15:54PM +0200, Toke Høiland-Jørgensen wrote:
> Jiri Olsa writes:
>
> > On Sat, Apr 03, 2021 at 11:21:55AM -0700, Alexei Starovoitov wrote:
> >> On Sat, Apr 03, 2021 at 01:24:12PM +0200, Toke Høiland-Jørgensen wrote:
> >> > >if (!prog->aux->dst_trampoline && !tgt
Jiri Olsa writes:
> On Sat, Apr 03, 2021 at 11:21:55AM -0700, Alexei Starovoitov wrote:
>> On Sat, Apr 03, 2021 at 01:24:12PM +0200, Toke Høiland-Jørgensen wrote:
>> > > if (!prog->aux->dst_trampoline && !tgt_prog) {
>> > > -err = -ENOENT;
>> > > -goto out
On Sat, Apr 03, 2021 at 11:21:55AM -0700, Alexei Starovoitov wrote:
> On Sat, Apr 03, 2021 at 01:24:12PM +0200, Toke Høiland-Jørgensen wrote:
> > > if (!prog->aux->dst_trampoline && !tgt_prog) {
> > > - err = -ENOENT;
> > > - goto out_unlock;
> > > + /*
> > > + *
On Sat, Apr 03, 2021 at 01:24:12PM +0200, Toke Høiland-Jørgensen wrote:
> Jiri Olsa writes:
>
> > Currently we don't allow re-attaching of trampolines. Once
> > it's detached, it can't be re-attach even when the program
> > is still loaded.
> >
> > Adding the possibility to re-attach the loaded t
On Sat, Apr 03, 2021 at 01:24:12PM +0200, Toke Høiland-Jørgensen wrote:
> > if (!prog->aux->dst_trampoline && !tgt_prog) {
> > - err = -ENOENT;
> > - goto out_unlock;
> > + /*
> > +* Allow re-attach for tracing programs, if it's currently
> > +
Jiri Olsa writes:
> Currently we don't allow re-attaching of trampolines. Once
> it's detached, it can't be re-attach even when the program
> is still loaded.
>
> Adding the possibility to re-attach the loaded tracing
> kernel program.
Hmm, yeah, didn't really consider this case when I added the
> On Mar 28, 2021, at 4:26 AM, Jiri Olsa wrote:
>
> Currently we don't allow re-attaching of trampolines. Once
> it's detached, it can't be re-attach even when the program
> is still loaded.
>
> Adding the possibility to re-attach the loaded tracing
> kernel program.
>
> Signed-off-by: Jiri
Currently we don't allow re-attaching of trampolines. Once
it's detached, it can't be re-attach even when the program
is still loaded.
Adding the possibility to re-attach the loaded tracing
kernel program.
Signed-off-by: Jiri Olsa
---
kernel/bpf/syscall.c| 25 +++--
kern
