netdev - [PATCH bpf-next v3 18/27] bpf: samples: Set libbpf 1.0 API mode explicitly in hbm

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Message-Id: <20220405130858.12165-19-laoar.shao@gmail.com>
Date:   Tue,  5 Apr 2022 13:08:49 +0000
From:   Yafang Shao <laoar.shao@...il.com>
To:     andrii@...nel.org, ast@...nel.org, daniel@...earbox.net,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, shuah@...nel.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kselftest@...r.kernel.org, Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH bpf-next v3 18/27] bpf: samples: Set libbpf 1.0 API mode explicitly in hbm

Let's set libbpf 1.0 API mode explicitly, then we can get rid of the
included bpf_rlimit.h. It also remove the useless sys/resource.h.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 samples/bpf/hbm.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index 1fe5bcafb3bc..516fbac28b71 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -34,7 +34,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <assert.h>
-#include <sys/resource.h>
 #include <sys/time.h>
 #include <unistd.h>
 #include <errno.h>
@@ -46,7 +45,6 @@
 #include <bpf/bpf.h>
 #include <getopt.h>
 
-#include "bpf_rlimit.h"
 #include "cgroup_helpers.h"
 #include "hbm.h"
 #include "bpf_util.h"
@@ -510,5 +508,8 @@ int main(int argc, char **argv)
 		prog = argv[optind];
 	printf("HBM prog: %s\n", prog != NULL ? prog : "NULL");
 
+	/* Use libbpf 1.0 API mode */
+	libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
+
 	return run_bpf_prog(prog, cg_id);
 }
-- 
2.17.1