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Date: Fri, 7 Aug 2020 02:31:52 +0200 From: KP Singh <kpsingh@...omium.org> To: Jiri Olsa <jolsa@...nel.org> Cc: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andriin@...com>, Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, Martin KaFai Lau <kafai@...com>, David Miller <davem@...hat.com>, John Fastabend <john.fastabend@...il.com>, Wenbo Zhang <ethercflow@...il.com>, Brendan Gregg <bgregg@...flix.com>, Florent Revest <revest@...omium.org>, Al Viro <viro@...iv.linux.org.uk> Subject: Re: [PATCH v9 bpf-next 10/14] bpf: Add d_path helper On Sat, Aug 1, 2020 at 7:04 PM Jiri Olsa <jolsa@...nel.org> wrote: > > Adding d_path helper function that returns full path for [...] > +} > + > +BTF_SET_START(btf_allowlist_d_path) > +BTF_ID(func, vfs_truncate) > +BTF_ID(func, vfs_fallocate) > +BTF_ID(func, dentry_open) > +BTF_ID(func, vfs_getattr) > +BTF_ID(func, filp_close) > +BTF_SET_END(btf_allowlist_d_path) > + > +static bool bpf_d_path_allowed(const struct bpf_prog *prog) > +{ > + return btf_id_set_contains(&btf_allowlist_d_path, prog->aux->attach_btf_id); > +} Can we allow it for LSM programs too? - KP > + > +BTF_ID_LIST(bpf_d_path_btf_ids) > +BTF_ID(struct, path) > + [...] > > /* integer value in 'imm' field of BPF_CALL instruction selects which helper > -- > 2.25.4 >
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