On Thu, Dec 14, 2023 at 2:50 PM Andrii Nakryiko <andrii@xxxxxxxxxx> wrote: > > Original BPF token patch set ([0]) added delegate_xxx mount options which > supported only special "any" value and hexadecimal bitmask. This patch set > attempts to make specifying and inspecting these mount options more > human-friendly by supporting string constants matching corresponding bpf_cmd, > bpf_map_type, bpf_prog_type, and bpf_attach_type enumerators. > > This implementation relies on BTF information to find all supported symbolic > names. If kernel wasn't built with BTF, BPF FS will still support "any" and > hex-based mask. > > [0] https://patchwork.kernel.org/project/netdevbpf/list/?series=805707&state=* > > v1->v2: > - strip BPF_, BPF_MAP_TYPE_, and BPF_PROG_TYPE_ prefixes, > do case-insensitive comparison, normalize to lower case (Alexei). > Argh, patches are actually from v1, sorry, rebase troubles. Will send v3 with the proper version of the code. > Andrii Nakryiko (2): > bpf: support symbolic BPF FS delegation mount options > selftests/bpf: utilize string values for delegate_xxx mount options > > kernel/bpf/inode.c | 249 +++++++++++++++--- > .../testing/selftests/bpf/prog_tests/token.c | 52 ++-- > 2 files changed, 243 insertions(+), 58 deletions(-) > > -- > 2.34.1 >
