On Fri, Jul 1, 2022 at 2:28 AM Alan Maguire <alan.maguire@xxxxxxxxxx> wrote: > > add a "ksym" iterator which provides access to a "struct kallsym_iter" > for each symbol. Intent is to support more flexible symbol parsing > as discussed in [1]. > > [1] https://lore.kernel.org/all/YjRPZj6Z8vuLeEZo@krava/ > > Suggested-by: Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> > Signed-off-by: Alan Maguire <alan.maguire@xxxxxxxxxx> > --- > kernel/kallsyms.c | 89 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 89 insertions(+) > > diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c > index fbdf8d3..8b662da 100644 > --- a/kernel/kallsyms.c > +++ b/kernel/kallsyms.c > @@ -30,6 +30,7 @@ [...] > + > +static struct bpf_iter_reg ksym_iter_reg_info = { > + .target = "ksym", > + .ctx_arg_info_size = 1, > + .ctx_arg_info = { > + { offsetof(struct bpf_iter__ksym, ksym), > + PTR_TO_BTF_ID_OR_NULL }, > + }, > + .seq_info = &ksym_iter_seq_info, > +}; It would be great to allow cond_resched() while iterating. Disabling resched is unnecessary for iterating ksyms IMO. .feature = BPF_ITER_RESCHED, Hao > + [...] > -- > 1.8.3.1 >
