[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1466465899.437.0.camel@ellerman.id.au>
Date: Tue, 21 Jun 2016 09:38:19 +1000
From: Michael Ellerman <mpe@...erman.id.au>
To: "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
netdev@...r.kernel.org, Matt Evans <matt@...abs.org>,
Daniel Borkmann <daniel@...earbox.net>,
Alexei Starovoitov <ast@...com>,
Denis Kirjanov <kda@...ux-powerpc.org>,
Paul Mackerras <paulus@...ba.org>,
"David S. Miller" <davem@...emloft.net>,
Ananth N Mavinakayanahalli <ananth@...ibm.com>
Subject: Re: [6/6] ppc: ebpf/jit: Implement JIT compiler for extended BPF
On Sun, 2016-06-19 at 23:06 +0530, Naveen N. Rao wrote:
> On 2016/06/17 10:53PM, Michael Ellerman wrote:
> > On Tue, 2016-07-06 at 13:32:23 UTC, "Naveen N. Rao" wrote:
> > > diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
> > > new file mode 100644
> > > index 0000000..954ff53
> > > --- /dev/null
> > > +++ b/arch/powerpc/net/bpf_jit_comp64.c
> > > @@ -0,0 +1,956 @@
> > ...
> > > +
> > > +static void bpf_jit_fill_ill_insns(void *area, unsigned int size)
> > > +{
> > > + int *p = area;
> > > +
> > > + /* Fill whole space with trap instructions */
> > > + while (p < (int *)((char *)area + size))
> > > + *p++ = BREAKPOINT_INSTRUCTION;
> > > +}
> >
> > This breaks the build for some configs, presumably you're missing a header:
> >
> > arch/powerpc/net/bpf_jit_comp64.c:30:10: error: 'BREAKPOINT_INSTRUCTION' undeclared (first use in this function)
> >
> > http://kisskb.ellerman.id.au/kisskb/buildresult/12720611/
>
> Oops. Yes, I should have caught that. I need to add:
>
> #include <asm/kprobes.h>
>
> in bpf_jit_comp64.c
>
> Can you please check if it resolves the build error?
Can you? :D
cheers
Powered by blists - more mailing lists