[PATCH bpf-next v7 34/34] bpf: samples: do not touch RLIMIT_MEMLOCK
From: Roman Gushchin <hidden>
Date: 2020-11-19 17:38:48
Also in:
bpf, linux-mm, lkml
Subsystem:
bpf [general] (safe dynamic programs and tools), the rest, xdp (express data path) · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Linus Torvalds, David S. Miller, Jakub Kicinski, Jesper Dangaard Brouer, John Fastabend
Since bpf is not using rlimit memlock for the memory accounting and control, do not change the limit in sample applications. Signed-off-by: Roman Gushchin <redacted> Acked-by: Song Liu <redacted> --- samples/bpf/map_perf_test_user.c | 6 ------ samples/bpf/offwaketime_user.c | 6 ------ samples/bpf/sockex2_user.c | 2 -- samples/bpf/sockex3_user.c | 2 -- samples/bpf/spintest_user.c | 6 ------ samples/bpf/syscall_tp_user.c | 2 -- samples/bpf/task_fd_query_user.c | 5 ----- samples/bpf/test_lru_dist.c | 3 --- samples/bpf/test_map_in_map_user.c | 6 ------ samples/bpf/test_overhead_user.c | 2 -- samples/bpf/trace_event_user.c | 2 -- samples/bpf/tracex2_user.c | 6 ------ samples/bpf/tracex3_user.c | 6 ------ samples/bpf/tracex4_user.c | 6 ------ samples/bpf/tracex5_user.c | 3 --- samples/bpf/tracex6_user.c | 3 --- samples/bpf/xdp1_user.c | 6 ------ samples/bpf/xdp_adjust_tail_user.c | 6 ------ samples/bpf/xdp_monitor_user.c | 5 ----- samples/bpf/xdp_redirect_cpu_user.c | 6 ------ samples/bpf/xdp_redirect_map_user.c | 6 ------ samples/bpf/xdp_redirect_user.c | 6 ------ samples/bpf/xdp_router_ipv4_user.c | 6 ------ samples/bpf/xdp_rxq_info_user.c | 6 ------ samples/bpf/xdp_sample_pkts_user.c | 6 ------ samples/bpf/xdp_tx_iptunnel_user.c | 6 ------ samples/bpf/xdpsock_user.c | 7 ------- 27 files changed, 132 deletions(-)
diff --git a/samples/bpf/map_perf_test_user.c b/samples/bpf/map_perf_test_user.c
index 8b13230b4c46..9db949290a78 100644
--- a/samples/bpf/map_perf_test_user.c
+++ b/samples/bpf/map_perf_test_user.c@@ -421,7 +421,6 @@ static void fixup_map(struct bpf_object *obj) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; int nr_cpus = sysconf(_SC_NPROCESSORS_ONLN); struct bpf_link *links[8]; struct bpf_program *prog;
@@ -430,11 +429,6 @@ int main(int argc, char **argv) char filename[256]; int i = 0; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (argc > 1) test_flags = atoi(argv[1]) ? : test_flags;
diff --git a/samples/bpf/offwaketime_user.c b/samples/bpf/offwaketime_user.c
index 5734cfdaaacb..73a986876c1a 100644
--- a/samples/bpf/offwaketime_user.c
+++ b/samples/bpf/offwaketime_user.c@@ -95,18 +95,12 @@ static void int_exit(int sig) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_object *obj = NULL; struct bpf_link *links[2]; struct bpf_program *prog; int delay = 1, i = 0; char filename[256]; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (load_kallsyms()) { printf("failed to process /proc/kallsyms\n"); return 2;
diff --git a/samples/bpf/sockex2_user.c b/samples/bpf/sockex2_user.c
index af925a5afd1d..bafa567b840c 100644
--- a/samples/bpf/sockex2_user.c
+++ b/samples/bpf/sockex2_user.c@@ -16,7 +16,6 @@ struct pair { int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_object *obj; int map_fd, prog_fd; char filename[256];
@@ -24,7 +23,6 @@ int main(int ac, char **argv) FILE *f; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - setrlimit(RLIMIT_MEMLOCK, &r); if (bpf_prog_load(filename, BPF_PROG_TYPE_SOCKET_FILTER, &obj, &prog_fd))
diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 7793f6a6ae7e..6ae99ecc766c 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c@@ -26,7 +26,6 @@ struct pair { int main(int argc, char **argv) { int i, sock, key, fd, main_prog_fd, jmp_table_fd, hash_map_fd; - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_program *prog; struct bpf_object *obj; const char *section;
@@ -34,7 +33,6 @@ int main(int argc, char **argv) FILE *f; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - setrlimit(RLIMIT_MEMLOCK, &r); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/spintest_user.c b/samples/bpf/spintest_user.c
index f090d0dc60d6..0d7e1e5a8658 100644
--- a/samples/bpf/spintest_user.c
+++ b/samples/bpf/spintest_user.c@@ -10,7 +10,6 @@ int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; char filename[256], symbol[256]; struct bpf_object *obj = NULL; struct bpf_link *links[20];
@@ -20,11 +19,6 @@ int main(int ac, char **argv) const char *section; struct ksym *sym; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (load_kallsyms()) { printf("failed to process /proc/kallsyms\n"); return 2;
diff --git a/samples/bpf/syscall_tp_user.c b/samples/bpf/syscall_tp_user.c
index 76a1d00128fb..a0ebf1833ed3 100644
--- a/samples/bpf/syscall_tp_user.c
+++ b/samples/bpf/syscall_tp_user.c@@ -115,7 +115,6 @@ static int test(char *filename, int num_progs) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; int opt, num_progs = 1; char filename[256];
@@ -131,7 +130,6 @@ int main(int argc, char **argv) } } - setrlimit(RLIMIT_MEMLOCK, &r); snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); return test(filename, num_progs);
diff --git a/samples/bpf/task_fd_query_user.c b/samples/bpf/task_fd_query_user.c
index b68bd2f8fdc9..0f2050ff54f9 100644
--- a/samples/bpf/task_fd_query_user.c
+++ b/samples/bpf/task_fd_query_user.c@@ -290,16 +290,11 @@ static int test_debug_fs_uprobe(char *binary_path, long offset, bool is_return) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; extern char __executable_start; char filename[256], buf[256]; __u64 uprobe_file_offset; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } if (load_kallsyms()) { printf("failed to process /proc/kallsyms\n");
diff --git a/samples/bpf/test_lru_dist.c b/samples/bpf/test_lru_dist.c
index b313dba4111b..c92c5c06b965 100644
--- a/samples/bpf/test_lru_dist.c
+++ b/samples/bpf/test_lru_dist.c@@ -489,7 +489,6 @@ static void test_parallel_lru_loss(int map_type, int map_flags, int nr_tasks) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; int map_flags[] = {0, BPF_F_NO_COMMON_LRU}; const char *dist_file; int nr_tasks = 1;
@@ -508,8 +507,6 @@ int main(int argc, char **argv) setbuf(stdout, NULL); - assert(!setrlimit(RLIMIT_MEMLOCK, &r)); - srand(time(NULL)); nr_cpus = bpf_num_possible_cpus();
diff --git a/samples/bpf/test_map_in_map_user.c b/samples/bpf/test_map_in_map_user.c
index 98656de56b83..472d65c70354 100644
--- a/samples/bpf/test_map_in_map_user.c
+++ b/samples/bpf/test_map_in_map_user.c@@ -114,17 +114,11 @@ static void test_map_in_map(void) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_link *link = NULL; struct bpf_program *prog; struct bpf_object *obj; char filename[256]; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/test_overhead_user.c b/samples/bpf/test_overhead_user.c
index 94f74112a20e..c100fd46cd8a 100644
--- a/samples/bpf/test_overhead_user.c
+++ b/samples/bpf/test_overhead_user.c@@ -125,12 +125,10 @@ static void unload_progs(void) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; char filename[256]; int num_cpu = 8; int test_flags = ~0; - setrlimit(RLIMIT_MEMLOCK, &r); if (argc > 1) test_flags = atoi(argv[1]) ? : test_flags;
diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c
index ac1ba368195c..9664749bf618 100644
--- a/samples/bpf/trace_event_user.c
+++ b/samples/bpf/trace_event_user.c@@ -294,13 +294,11 @@ static void test_bpf_perf_event(void) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_object *obj = NULL; char filename[256]; int error = 1; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - setrlimit(RLIMIT_MEMLOCK, &r); signal(SIGINT, err_exit); signal(SIGTERM, err_exit);
diff --git a/samples/bpf/tracex2_user.c b/samples/bpf/tracex2_user.c
index 3d6eab711d23..1626d51dfffd 100644
--- a/samples/bpf/tracex2_user.c
+++ b/samples/bpf/tracex2_user.c@@ -116,7 +116,6 @@ static void int_exit(int sig) int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; long key, next_key, value; struct bpf_link *links[2]; struct bpf_program *prog;
@@ -125,11 +124,6 @@ int main(int ac, char **argv) int i, j = 0; FILE *f; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex3_user.c b/samples/bpf/tracex3_user.c
index 83e0fecbb01a..33e16ba39f25 100644
--- a/samples/bpf/tracex3_user.c
+++ b/samples/bpf/tracex3_user.c@@ -107,7 +107,6 @@ static void print_hist(int fd) int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_link *links[2]; struct bpf_program *prog; struct bpf_object *obj;
@@ -127,11 +126,6 @@ int main(int ac, char **argv) } } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex4_user.c b/samples/bpf/tracex4_user.c
index e8faf8f184ae..cea399424bca 100644
--- a/samples/bpf/tracex4_user.c
+++ b/samples/bpf/tracex4_user.c@@ -48,18 +48,12 @@ static void print_old_objects(int fd) int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_link *links[2]; struct bpf_program *prog; struct bpf_object *obj; char filename[256]; int map_fd, i, j = 0; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)"); - return 1; - } - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c
index c17d3fb5fd64..08dfdc77ad2a 100644
--- a/samples/bpf/tracex5_user.c
+++ b/samples/bpf/tracex5_user.c@@ -34,7 +34,6 @@ static void install_accept_all_seccomp(void) int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_link *link = NULL; struct bpf_program *prog; struct bpf_object *obj;
@@ -43,8 +42,6 @@ int main(int ac, char **argv) char filename[256]; FILE *f; - setrlimit(RLIMIT_MEMLOCK, &r); - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/tracex6_user.c b/samples/bpf/tracex6_user.c
index 33df9784775d..28296f40c133 100644
--- a/samples/bpf/tracex6_user.c
+++ b/samples/bpf/tracex6_user.c@@ -175,15 +175,12 @@ static void test_bpf_perf_event(void) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_link *links[2]; struct bpf_program *prog; struct bpf_object *obj; char filename[256]; int i = 0; - setrlimit(RLIMIT_MEMLOCK, &r); - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) {
diff --git a/samples/bpf/xdp1_user.c b/samples/bpf/xdp1_user.c
index c447ad9e3a1d..116e39f6b666 100644
--- a/samples/bpf/xdp1_user.c
+++ b/samples/bpf/xdp1_user.c@@ -79,7 +79,6 @@ static void usage(const char *prog) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -117,11 +116,6 @@ int main(int argc, char **argv) return 1; } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - ifindex = if_nametoindex(argv[optind]); if (!ifindex) { perror("if_nametoindex");
diff --git a/samples/bpf/xdp_adjust_tail_user.c b/samples/bpf/xdp_adjust_tail_user.c
index ba482dc3da33..a70b094c8ec5 100644
--- a/samples/bpf/xdp_adjust_tail_user.c
+++ b/samples/bpf/xdp_adjust_tail_user.c@@ -82,7 +82,6 @@ static void usage(const char *cmd) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -143,11 +142,6 @@ int main(int argc, char **argv) } } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)"); - return 1; - } - if (!ifindex) { fprintf(stderr, "Invalid ifname\n"); return 1;
diff --git a/samples/bpf/xdp_monitor_user.c b/samples/bpf/xdp_monitor_user.c
index 03d0a182913f..49ebc49aefc3 100644
--- a/samples/bpf/xdp_monitor_user.c
+++ b/samples/bpf/xdp_monitor_user.c@@ -687,7 +687,6 @@ static void print_bpf_prog_info(void) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_program *prog; int longindex = 0, opt; int ret = EXIT_FAILURE;
@@ -719,10 +718,6 @@ int main(int argc, char **argv) } snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return ret; - } /* Remove tracepoint program when program is interrupted or killed */ signal(SIGINT, int_exit);
diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c
index f78cb18319aa..576411612523 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c@@ -765,7 +765,6 @@ static int load_cpumap_prog(char *file_name, char *prog_name, int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; char *prog_name = "xdp_cpu_map5_lb_hash_ip_pairs"; char *mprog_filename = "xdp_redirect_kern.o"; char *redir_interface = NULL, *redir_map = NULL;
@@ -804,11 +803,6 @@ int main(int argc, char **argv) snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); prog_load_attr.file = filename; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) return err;
diff --git a/samples/bpf/xdp_redirect_map_user.c b/samples/bpf/xdp_redirect_map_user.c
index 35e16dee613e..31131b6e7782 100644
--- a/samples/bpf/xdp_redirect_map_user.c
+++ b/samples/bpf/xdp_redirect_map_user.c@@ -96,7 +96,6 @@ static void usage(const char *prog) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -135,11 +134,6 @@ int main(int argc, char **argv) return 1; } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - ifindex_in = if_nametoindex(argv[optind]); if (!ifindex_in) ifindex_in = strtoul(argv[optind], NULL, 0);
diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c
index 9ca2bf457cda..41d705c3a1f7 100644
--- a/samples/bpf/xdp_redirect_user.c
+++ b/samples/bpf/xdp_redirect_user.c@@ -97,7 +97,6 @@ static void usage(const char *prog) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -136,11 +135,6 @@ int main(int argc, char **argv) return 1; } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - ifindex_in = if_nametoindex(argv[optind]); if (!ifindex_in) ifindex_in = strtoul(argv[optind], NULL, 0);
diff --git a/samples/bpf/xdp_router_ipv4_user.c b/samples/bpf/xdp_router_ipv4_user.c
index c2da1b51ff95..b5f03cb17a3c 100644
--- a/samples/bpf/xdp_router_ipv4_user.c
+++ b/samples/bpf/xdp_router_ipv4_user.c@@ -625,7 +625,6 @@ static void usage(const char *prog) int main(int ac, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -670,11 +669,6 @@ int main(int ac, char **argv) return 1; } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) return 1;
diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c
index 93fa1bc54f13..74a2926eba08 100644
--- a/samples/bpf/xdp_rxq_info_user.c
+++ b/samples/bpf/xdp_rxq_info_user.c@@ -450,7 +450,6 @@ static void stats_poll(int interval, int action, __u32 cfg_opt) int main(int argc, char **argv) { __u32 cfg_options= NO_TOUCH ; /* Default: Don't touch packet memory */ - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -474,11 +473,6 @@ int main(int argc, char **argv) snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); prog_load_attr.file = filename; - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - if (bpf_prog_load_xattr(&prog_load_attr, &obj, &prog_fd)) return EXIT_FAIL;
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index 4b2a300c750c..706475e004cb 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c@@ -109,7 +109,6 @@ static void usage(const char *prog) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, };
@@ -143,11 +142,6 @@ int main(int argc, char **argv) return 1; } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK)"); - return 1; - } - snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); prog_load_attr.file = filename;
diff --git a/samples/bpf/xdp_tx_iptunnel_user.c b/samples/bpf/xdp_tx_iptunnel_user.c
index a419bee151a8..1d4f305d02aa 100644
--- a/samples/bpf/xdp_tx_iptunnel_user.c
+++ b/samples/bpf/xdp_tx_iptunnel_user.c@@ -155,7 +155,6 @@ int main(int argc, char **argv) struct bpf_prog_load_attr prog_load_attr = { .prog_type = BPF_PROG_TYPE_XDP, }; - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; int min_port = 0, max_port = 0, vip2tnl_map_fd; const char *optstr = "i:a:p:s:d:m:T:P:FSNh"; unsigned char opt_flags[256] = {};
@@ -254,11 +253,6 @@ int main(int argc, char **argv) } } - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - perror("setrlimit(RLIMIT_MEMLOCK, RLIM_INFINITY)"); - return 1; - } - if (!ifindex) { fprintf(stderr, "Invalid ifname\n"); return 1;
diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index 2567f0db5aca..f3ce4dac3a1f 100644
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c@@ -1463,7 +1463,6 @@ static void enter_xsks_into_map(struct bpf_object *obj) int main(int argc, char **argv) { - struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY}; bool rx = false, tx = false; struct xsk_umem_info *umem; struct bpf_object *obj;
@@ -1473,12 +1472,6 @@ int main(int argc, char **argv) parse_command_line(argc, argv); - if (setrlimit(RLIMIT_MEMLOCK, &r)) { - fprintf(stderr, "ERROR: setrlimit(RLIMIT_MEMLOCK) \"%s\"\n", - strerror(errno)); - exit(EXIT_FAILURE); - } - if (opt_num_xsks > 1) load_xdp_program(argv, &obj);
--
2.26.2