On Wed, 12 Sep 2018 at 16:17, Alexei Starovoitov
wrote:
>
> On Tue, Sep 11, 2018 at 05:36:35PM -0700, Joe Stringer wrote:
> > ...
> > +
> > +/* release function corresponding to acquire_reference_state().
> > Idempotent. */
> > +static int __release_reference_state(struct bpf_func_state *state, i
On Tue, Sep 11, 2018 at 05:36:35PM -0700, Joe Stringer wrote:
> Allow helper functions to acquire a reference and return it into a
> register. Specific pointer types such as the PTR_TO_SOCKET will
> implicitly represent such a reference. The verifier must ensure that
> these references are released
Allow helper functions to acquire a reference and return it into a
register. Specific pointer types such as the PTR_TO_SOCKET will
implicitly represent such a reference. The verifier must ensure that
these references are released exactly once in each path through the
program.
To achieve this, this
