Hi Alexei,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
[also build test ERROR on v5.7-rc7 next-20200529]
[cannot apply to bpf-next/master bpf/master net/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the s
Hi Alexei,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
[also build test ERROR on v5.7-rc7 next-20200529]
[cannot apply to bpf-next/master bpf/master net/master]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the s
On Fri, May 29, 2020 at 01:38:40PM -0700, Andrii Nakryiko wrote:
> > > > if (prog->type == BPF_PROG_TYPE_STRUCT_OPS)
> > > > return check_struct_ops_btf_id(env);
> > > >
> > > > @@ -10762,8 +10801,29 @@ static int check_attach_btf_id(struct
> > > > bpf_verifier_env *env)
>
On Fri, May 29, 2020 at 1:12 PM Alexei Starovoitov
wrote:
>
> On Fri, May 29, 2020 at 01:25:06AM -0700, Andrii Nakryiko wrote:
> > > index 11584618e861..26b18b6a3dbc 100644
> > > --- a/kernel/bpf/arraymap.c
> > > +++ b/kernel/bpf/arraymap.c
> > > @@ -393,6 +393,11 @@ static void array_map_free(str
On Fri, May 29, 2020 at 01:25:06AM -0700, Andrii Nakryiko wrote:
> > index 11584618e861..26b18b6a3dbc 100644
> > --- a/kernel/bpf/arraymap.c
> > +++ b/kernel/bpf/arraymap.c
> > @@ -393,6 +393,11 @@ static void array_map_free(struct bpf_map *map)
> > */
> > synchronize_rcu();
> >
>
On Thu, May 28, 2020 at 9:39 PM Alexei Starovoitov
wrote:
>
> From: Alexei Starovoitov
>
> Introduce sleepable BPF programs that can request such property for themselves
> via BPF_F_SLEEPABLE flag at program load time. In such case they will be able
> to use helpers like bpf_copy_from_user() that
From: Alexei Starovoitov
Introduce sleepable BPF programs that can request such property for themselves
via BPF_F_SLEEPABLE flag at program load time. In such case they will be able
to use helpers like bpf_copy_from_user() that might sleep. At present only
fentry/fexit/fmod_ret and lsm programs c
