Messages in this thread | | | From | Alexei Starovoitov <> | Date | Fri, 22 Jul 2022 09:20:38 -0700 | Subject | Re: [PATCH bpf-next v4 1/8] btf: Add a new kfunc set which allows to mark a function to be sleepable |
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On Thu, Jul 21, 2022 at 7:13 PM Yosry Ahmed <yosryahmed@google.com> wrote: > > From: Benjamin Tissoires <benjamin.tissoires@redhat.com> > > This allows to declare a kfunc as sleepable and prevents its use in > a non sleepable program. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> > Signed-off-by: Yosry Ahmed <yosryahmed@google.com> > --- > include/linux/btf.h | 2 ++ > kernel/bpf/btf.c | 13 +++++++++++-- > 2 files changed, 13 insertions(+), 2 deletions(-) > > diff --git a/include/linux/btf.h b/include/linux/btf.h > index 1bfed7fa0428..6e7517573d9e 100644 > --- a/include/linux/btf.h > +++ b/include/linux/btf.h > @@ -18,6 +18,7 @@ enum btf_kfunc_type { > BTF_KFUNC_TYPE_RELEASE, > BTF_KFUNC_TYPE_RET_NULL, > BTF_KFUNC_TYPE_KPTR_ACQUIRE, > + BTF_KFUNC_TYPE_SLEEPABLE, > BTF_KFUNC_TYPE_MAX, > };
This patch needs refactoring using the new BTF_ID_FLAGS scheme. When you do that please update the Documentation/bpf/kfuncs.rst as well.
Thanks!
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