diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/bpf/bpftool/feature.c | 5 | ||||
| -rw-r--r-- | tools/bpf/bpftool/gen.c | 2 | ||||
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 8 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c | 3 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c | 12 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/test_lpm_map.c | 3 |
6 files changed, 13 insertions, 20 deletions
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index c2f43a5d38e0..290998c82de1 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c @@ -207,7 +207,10 @@ static void probe_unprivileged_disabled(void) printf("bpf() syscall for unprivileged users is enabled\n"); break; case 1: - printf("bpf() syscall restricted to privileged users\n"); + printf("bpf() syscall restricted to privileged users (without recovery)\n"); + break; + case 2: + printf("bpf() syscall restricted to privileged users (admin can change)\n"); break; case -1: printf("Unable to retrieve required privileges for bpf() syscall\n"); diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c index 7ba7ff55d2ea..91af2850b505 100644 --- a/tools/bpf/bpftool/gen.c +++ b/tools/bpf/bpftool/gen.c @@ -477,7 +477,7 @@ static void codegen_asserts(struct bpf_object *obj, const char *obj_name) codegen("\ \n\ __attribute__((unused)) static void \n\ - %1$s__assert(struct %1$s *s) \n\ + %1$s__assert(struct %1$s *s __attribute__((unused))) \n\ { \n\ #ifdef __cplusplus \n\ #define _Static_assert static_assert \n\ diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 7604e7d5438f..d14b10b85e51 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -3009,8 +3009,8 @@ union bpf_attr { * * # sysctl kernel.perf_event_max_stack=<new value> * Return - * A non-negative value equal to or less than *size* on success, - * or a negative error in case of failure. + * The non-negative copied *buf* length equal to or less than + * *size* on success, or a negative error in case of failure. * * long bpf_skb_load_bytes_relative(const void *skb, u32 offset, void *to, u32 len, u32 start_header) * Description @@ -4316,8 +4316,8 @@ union bpf_attr { * * # sysctl kernel.perf_event_max_stack=<new value> * Return - * A non-negative value equal to or less than *size* on success, - * or a negative error in case of failure. + * The non-negative copied *buf* length equal to or less than + * *size* on success, or a negative error in case of failure. * * long bpf_load_hdr_opt(struct bpf_sock_ops *skops, void *searchby_res, u32 len, u64 flags) * Description diff --git a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c index e834a01de16a..16048978a1ef 100644 --- a/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c +++ b/tools/testing/selftests/bpf/prog_tests/get_stack_raw_tp.c @@ -29,11 +29,8 @@ static void get_stack_print_output(void *ctx, int cpu, void *data, __u32 size) */ struct get_stack_trace_t e; int i, num_stack; - static __u64 cnt; struct ksym *ks; - cnt++; - memset(&e, 0, sizeof(e)); memcpy(&e, data, size <= sizeof(e) ? size : sizeof(e)); diff --git a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c index 36a707e7c7a7..6c62bfb8bb6f 100644 --- a/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c +++ b/tools/testing/selftests/bpf/progs/test_stacktrace_build_id.c @@ -39,16 +39,8 @@ struct { __type(value, stack_trace_t); } stack_amap SEC(".maps"); -/* taken from /sys/kernel/debug/tracing/events/random/urandom_read/format */ -struct random_urandom_args { - unsigned long long pad; - int got_bits; - int pool_left; - int input_left; -}; - -SEC("tracepoint/random/urandom_read") -int oncpu(struct random_urandom_args *args) +SEC("kprobe/urandom_read") +int oncpu(struct pt_regs *args) { __u32 max_len = sizeof(struct bpf_stack_build_id) * PERF_MAX_STACK_DEPTH; diff --git a/tools/testing/selftests/bpf/test_lpm_map.c b/tools/testing/selftests/bpf/test_lpm_map.c index baa3e3ecae82..aa294612e0a7 100644 --- a/tools/testing/selftests/bpf/test_lpm_map.c +++ b/tools/testing/selftests/bpf/test_lpm_map.c @@ -209,7 +209,8 @@ static void test_lpm_order(void) static void test_lpm_map(int keysize) { LIBBPF_OPTS(bpf_map_create_opts, opts, .map_flags = BPF_F_NO_PREALLOC); - size_t i, j, n_matches, n_matches_after_delete, n_nodes, n_lookups; + volatile size_t n_matches, n_matches_after_delete; + size_t i, j, n_nodes, n_lookups; struct tlpm_node *t, *list = NULL; struct bpf_lpm_trie_key *key; uint8_t *data, *value; |