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Linux 5.2-rc6

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Merge tag 'v5.2-rc6' into perf/core, to refresh branch

Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Ingo Molnar 2019-06-24 19:25:52 +02:00
commit b9271f0c65
5657 changed files with 11916 additions and 28339 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tools/lib/bitmap.c
View file

@ -1,9 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* From lib/bitmap.c
* Helper functions for bitmap.h.
*
* This source code is licensed under the GNU General Public License,
* Version 2. See the file COPYING for more details.
*/
#include <linux/bitmap.h>

32
tools/lib/bpf/libbpf.c
View file

@ -1645,14 +1645,16 @@ static int bpf_object__probe_btf_func(struct bpf_object *obj)
/* FUNC x */ /* [3] */
BTF_TYPE_ENC(5, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 0), 2),
};
int res;
int btf_fd;
res = libbpf__probe_raw_btf((char *)types, sizeof(types),
strs, sizeof(strs));
if (res < 0)
return res;
if (res > 0)
btf_fd = libbpf__load_raw_btf((char *)types, sizeof(types),
strs, sizeof(strs));
if (btf_fd >= 0) {
obj->caps.btf_func = 1;
close(btf_fd);
return 1;
}
return 0;
}
@ -1670,14 +1672,16 @@ static int bpf_object__probe_btf_datasec(struct bpf_object *obj)
BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
BTF_VAR_SECINFO_ENC(2, 0, 4),
};
int res;
int btf_fd;
res = libbpf__probe_raw_btf((char *)types, sizeof(types),
strs, sizeof(strs));
if (res < 0)
return res;
if (res > 0)
btf_fd = libbpf__load_raw_btf((char *)types, sizeof(types),
strs, sizeof(strs));
if (btf_fd >= 0) {
obj->caps.btf_datasec = 1;
close(btf_fd);
return 1;
}
return 0;
}
@ -3206,6 +3210,10 @@ static const struct {
BPF_CGROUP_UDP4_SENDMSG),
BPF_EAPROG_SEC("cgroup/sendmsg6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
BPF_CGROUP_UDP6_SENDMSG),
BPF_EAPROG_SEC("cgroup/recvmsg4", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
BPF_CGROUP_UDP4_RECVMSG),
BPF_EAPROG_SEC("cgroup/recvmsg6", BPF_PROG_TYPE_CGROUP_SOCK_ADDR,
BPF_CGROUP_UDP6_RECVMSG),
BPF_EAPROG_SEC("cgroup/sysctl", BPF_PROG_TYPE_CGROUP_SYSCTL,
BPF_CGROUP_SYSCTL),
};

4
tools/lib/bpf/libbpf_internal.h
View file

@ -34,7 +34,7 @@ do { \
#define pr_info(fmt, ...) __pr(LIBBPF_INFO, fmt, ##__VA_ARGS__)
#define pr_debug(fmt, ...) __pr(LIBBPF_DEBUG, fmt, ##__VA_ARGS__)
int libbpf__probe_raw_btf(const char *raw_types, size_t types_len,
const char *str_sec, size_t str_len);
int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
const char *str_sec, size_t str_len);
#endif /* __LIBBPF_LIBBPF_INTERNAL_H */

13
tools/lib/bpf/libbpf_probes.c
View file

@ -133,8 +133,8 @@ bool bpf_probe_prog_type(enum bpf_prog_type prog_type, __u32 ifindex)
return errno != EINVAL && errno != EOPNOTSUPP;
}
int libbpf__probe_raw_btf(const char *raw_types, size_t types_len,
const char *str_sec, size_t str_len)
int libbpf__load_raw_btf(const char *raw_types, size_t types_len,
const char *str_sec, size_t str_len)
{
struct btf_header hdr = {
.magic = BTF_MAGIC,
@ -157,14 +157,9 @@ int libbpf__probe_raw_btf(const char *raw_types, size_t types_len,
memcpy(raw_btf + hdr.hdr_len + hdr.type_len, str_sec, hdr.str_len);
btf_fd = bpf_load_btf(raw_btf, btf_len, NULL, 0, false);
if (btf_fd < 0) {
free(raw_btf);
return 0;
}
close(btf_fd);
free(raw_btf);
return 1;
return btf_fd;
}
static int load_sk_storage_btf(void)
@ -190,7 +185,7 @@ static int load_sk_storage_btf(void)
BTF_MEMBER_ENC(23, 2, 32),/* struct bpf_spin_lock l; */
};
return libbpf__probe_raw_btf((char *)types, sizeof(types),
return libbpf__load_raw_btf((char *)types, sizeof(types),
strs, sizeof(strs));
}