linux-kernel - Re: [PATCH v6 net-next 4/6] bpf: enable bpf syscall on x64 and i386

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Message-ID: <20140826074655.GB19799@gmail.com>
Date:	Tue, 26 Aug 2014 09:46:55 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Alexei Starovoitov <ast@...mgrid.com>
Cc:	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>,
	Daniel Borkmann <dborkman@...hat.com>,
	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


* 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?

Thanks,

	Ingo
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