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Date: Tue, 26 Aug 2014 10:00:26 +0200 From: Daniel Borkmann <dborkman@...hat.com> To: Ingo Molnar <mingo@...nel.org> CC: Alexei Starovoitov <ast@...mgrid.com>, Stephen Hemminger <stephen@...workplumber.org>, "David S. Miller" <davem@...emloft.net>, Linus Torvalds <torvalds@...ux-foundation.org>, Andy Lutomirski <luto@...capital.net>, Steven Rostedt <rostedt@...dmis.org>, Chema Gonzalez <chema@...gle.com>, Eric Dumazet <edumazet@...gle.com>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Brendan Gregg <brendan.d.gregg@...il.com>, Namhyung Kim <namhyung@...nel.org>, "H. Peter Anvin" <hpa@...or.com>, Andrew Morton <akpm@...ux-foundation.org>, Kees Cook <keescook@...omium.org>, Linux API <linux-api@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v6 net-next 4/6] bpf: enable bpf syscall on x64 and i386 On 08/26/2014 09:46 AM, Ingo Molnar wrote: > * Alexei Starovoitov <ast@...mgrid.com> wrote: >> On Mon, Aug 25, 2014 at 8:52 PM, Stephen Hemminger >> <stephen@...workplumber.org> wrote: >>> Per discussion at Kernel Summit. Every new syscall requires >>> a manual page and test programs. We have had too many new syscalls >>> that are DOA. >> >> There is verifier testsuite that is testing eBPF verifier from userspace >> via bpf syscall. Also there are multiple examples and libbpf. >> I think test coverage for bpf syscall is quite substantial already. > > This is in tools/bpf/, right? No, it contains a BPF JIT disasm, bpf assembler and a debugger, but the last two are for the 'classic' BPF interface only. There's a test suite for BPF/eBPF in general under lib/test_bpf.c, but so far it tests only the current code w/o eBPF verifier. That said, I think Alexei is referring to the examples et al from the bigger previous proposed patch set. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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