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authorJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
committerJason Gunthorpe <[email protected]>2023-06-27 17:06:29 +0000
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /tools/testing/selftests/bpf/progs/test_subprogs_extable.c
parentRDMA/bnxt_re: Fix an IS_ERR() vs NULL check (diff)
parentLinux 6.4 (diff)
downloadkernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.tar.gz
kernel-5f004bcaee4cb552cf1b46a505f18f08777db7e5.zip
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/[email protected] Signed-off-by: Jason Gunthorpe <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_subprogs_extable.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_subprogs_extable.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_subprogs_extable.c b/tools/testing/selftests/bpf/progs/test_subprogs_extable.c
new file mode 100644
index 000000000000..e2a21fbd4e44
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_subprogs_extable.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "vmlinux.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_tracing.h>
+
+struct {
+ __uint(type, BPF_MAP_TYPE_ARRAY);
+ __uint(max_entries, 8);
+ __type(key, __u32);
+ __type(value, __u64);
+} test_array SEC(".maps");
+
+unsigned int triggered;
+
+static __u64 test_cb(struct bpf_map *map, __u32 *key, __u64 *val, void *data)
+{
+ return 1;
+}
+
+SEC("fexit/bpf_testmod_return_ptr")
+int BPF_PROG(handle_fexit_ret_subprogs, int arg, struct file *ret)
+{
+ *(volatile long *)ret;
+ *(volatile int *)&ret->f_mode;
+ bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
+ triggered++;
+ return 0;
+}
+
+SEC("fexit/bpf_testmod_return_ptr")
+int BPF_PROG(handle_fexit_ret_subprogs2, int arg, struct file *ret)
+{
+ *(volatile long *)ret;
+ *(volatile int *)&ret->f_mode;
+ bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
+ triggered++;
+ return 0;
+}
+
+SEC("fexit/bpf_testmod_return_ptr")
+int BPF_PROG(handle_fexit_ret_subprogs3, int arg, struct file *ret)
+{
+ *(volatile long *)ret;
+ *(volatile int *)&ret->f_mode;
+ bpf_for_each_map_elem(&test_array, test_cb, NULL, 0);
+ triggered++;
+ return 0;
+}
+
+char _license[] SEC("license") = "GPL";