Re: [kernel-hardening] Re: [PATCH net-next v7 02/10] bpf: Add eBPF program subtype and is_valid_subtype() verifier

2017-08-27 Thread James Morris
On Wed, 23 Aug 2017, Mickaël Salaün wrote: > >> + struct { > >> + __u32 abi; /* minimal ABI version, cf. user doc */ > > > > the concept of abi (version) sounds a bit weird to me. > > Why bother with it at all? > > Once the first set of patches lands the kernel as whole will

Re: [kernel-hardening] Re: [PATCH net-next v7 02/10] bpf: Add eBPF program subtype and is_valid_subtype() verifier

2017-08-27 Thread James Morris
On Wed, 23 Aug 2017, Mickaël Salaün wrote: > >> + struct { > >> + __u32 abi; /* minimal ABI version, cf. user doc */ > > > > the concept of abi (version) sounds a bit weird to me. > > Why bother with it at all? > > Once the first set of patches lands the kernel as whole will