On Wed, Dec 03, 2014 at 03:54:32PM +0000, Alexei Starovoitov wrote: > On Wed, Dec 3, 2014 at 12:38 AM, Zi Shen Lim <[email protected]> wrote: > > Earlier implementation assumed last instruction is BPF_EXIT. > > Since this is no longer a restriction in eBPF, we remove this > > limitation. > > > > Per Alexei Starovoitov [1]: > >> classic BPF has a restriction that last insn is always BPF_RET. > >> eBPF doesn't have BPF_RET instruction and this restriction. > >> It has BPF_EXIT insn which can appear anywhere in the program > >> one or more times and it doesn't have to be last insn. > > > > [1] https://lkml.org/lkml/2014/11/27/2 > > > > Fixes: e54bcde3d69d ("arm64: eBPF JIT compiler") > > Signed-off-by: Zi Shen Lim <[email protected]> > > yours is cleaner than my own attempt to fix it. > Thanks! > Acked-by: Alexei Starovoitov <[email protected]>
Cheers, I've applied this for 3.19. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
