linux-kernel - Re: [PATCH 1/4] samples/bpf: Fix build breakage with map_perf_test

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Message-ID: <56FD61B6.9000102@fb.com>
Date:	Thu, 31 Mar 2016 10:43:18 -0700
From:	Alexei Starovoitov <ast@...com>
To:	"Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...ts.ozlabs.org>
CC:	"David S . Miller" <davem@...emloft.net>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Michael Ellerman <mpe@...erman.id.au>,
	Daniel Borkmann <daniel@...earbox.net>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH 1/4] samples/bpf: Fix build breakage with
 map_perf_test_user.c

On 3/31/16 4:25 AM, Naveen N. Rao wrote:
> Building BPF samples is failing with the below error:
>
> samples/bpf/map_perf_test_user.c: In function ‘main’:
> samples/bpf/map_perf_test_user.c:134:9: error: variable ‘r’ has
> initializer but incomplete type
>    struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
>           ^
> Fix this by including the necessary header file.
>
> Cc: Alexei Starovoitov <ast@...com>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Ananth N Mavinakayanahalli <ananth@...ibm.com>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@...ux.vnet.ibm.com>
> ---
>   samples/bpf/map_perf_test_user.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
> index 95af56e..3147377 100644
> --- a/samples/bpf/map_perf_test_user.c
> +++ b/samples/bpf/map_perf_test_user.c
> @@ -17,6 +17,7 @@
>   #include <linux/bpf.h>
>   #include <string.h>
>   #include <time.h>
> +#include <sys/resource.h>
>   #include "libbpf.h"
>   #include "bpf_load.h"

It's failing this way on powerpc? Odd.
Such hidden header dependency was always puzzling to me. Anyway:
Acked-by: Alexei Starovoitov <ast@...nel.org>

I'm assuming you want this set to go via 'net' tree, so please resubmit
with [PATCH net 1/4] subjects and cc netdev.

Reviewing your other patches...