Re: [flamebait] xdp Was: Re: bpf bounded loops. Was: [flamebait] xdp

2016-12-05 Thread Alexei Starovoitov
On Mon, Dec 05, 2016 at 09:08:36PM -0800, Tom Herbert wrote: > On Mon, Dec 5, 2016 at 7:05 PM, Alexei Starovoitov > wrote: > > On Sun, Dec 04, 2016 at 05:05:28PM +0100, Hannes Frederic Sowa wrote: > >> > >> If one of those eBPF verifiers only accepts a certain number of INSN, as > >> fundamental a

Re: [flamebait] xdp Was: Re: bpf bounded loops. Was: [flamebait] xdp

2016-12-05 Thread Tom Herbert
On Mon, Dec 5, 2016 at 7:05 PM, Alexei Starovoitov wrote: > On Sun, Dec 04, 2016 at 05:05:28PM +0100, Hannes Frederic Sowa wrote: >> >> If one of those eBPF verifiers only accepts a certain number of INSN, as >> fundamental as backwards jumps, we might end up with two compiler? > > two compilers?

Re: [flamebait] xdp Was: Re: bpf bounded loops. Was: [flamebait] xdp

2016-12-05 Thread Alexei Starovoitov
On Sun, Dec 04, 2016 at 05:05:28PM +0100, Hannes Frederic Sowa wrote: > > If one of those eBPF verifiers only accepts a certain number of INSN, as > fundamental as backwards jumps, we might end up with two compiler? two compilers? We already have five. There is gcc bpf backend (unmaintained) and n

Re: [flamebait] xdp Was: Re: bpf bounded loops. Was: [flamebait] xdp

2016-12-04 Thread Hannes Frederic Sowa
Hello, On 03.12.2016 00:34, Alexei Starovoitov wrote: > On Fri, Dec 02, 2016 at 08:42:41PM +0100, Hannes Frederic Sowa wrote: >> On Fri, Dec 2, 2016, at 20:25, Hannes Frederic Sowa wrote: >>> On 02.12.2016 19:39, Alexei Starovoitov wrote: On Thu, Dec 01, 2016 at 10:27:12PM +0100, Hannes Frede