netdev - [PATCH bpf-next v2 2/9] bpf: selftests: Use bpf strict all ctor in xdping

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Date:   Sun,  3 Apr 2022 14:42:53 +0000
From:   Yafang Shao <laoar.shao@...il.com>
To:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        Yafang Shao <laoar.shao@...il.com>
Subject: [PATCH bpf-next v2 2/9] bpf: selftests: Use bpf strict all ctor in xdping

Aoid using the deprecated RLIMIT_MEMLOCK.

Signed-off-by: Yafang Shao <laoar.shao@...il.com>
---
 tools/testing/selftests/bpf/xdping.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/tools/testing/selftests/bpf/xdping.c b/tools/testing/selftests/bpf/xdping.c
index c567856fd1bc..46ba0d7f73e8 100644
--- a/tools/testing/selftests/bpf/xdping.c
+++ b/tools/testing/selftests/bpf/xdping.c
@@ -12,7 +12,6 @@
 #include <string.h>
 #include <unistd.h>
 #include <libgen.h>
-#include <sys/resource.h>
 #include <net/if.h>
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -20,6 +19,7 @@
 
 #include "bpf/bpf.h"
 #include "bpf/libbpf.h"
+#include "bpf_rlimit.h"
 
 #include "xdping.h"
 #include "testing_helpers.h"
@@ -89,7 +89,6 @@ int main(int argc, char **argv)
 {
 	__u32 mode_flags = XDP_FLAGS_DRV_MODE | XDP_FLAGS_SKB_MODE;
 	struct addrinfo *a, hints = { .ai_family = AF_INET };
-	struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
 	__u16 count = XDPING_DEFAULT_COUNT;
 	struct pinginfo pinginfo = { 0 };
 	const char *optstr = "c:I:NsS";
@@ -167,11 +166,6 @@ int main(int argc, char **argv)
 		freeaddrinfo(a);
 	}
 
-	if (setrlimit(RLIMIT_MEMLOCK, &r)) {
-		perror("setrlimit(RLIMIT_MEMLOCK)");
-		return 1;
-	}
-
 	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
 
 	if (bpf_prog_test_load(filename, BPF_PROG_TYPE_XDP, &obj, &prog_fd)) {
-- 
2.17.1