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| author | Jiri Olsa <jolsa@kernel.org> | 2020-03-12 20:56:07 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2020-03-13 12:49:52 -0700 |
| commit | 7ac88eba185b4d0e06a71678e54bc092edcd3af3 (patch) | |
| tree | b693861f42cde02243deb69d151fa80fcee09364 /kernel/extable.c | |
| parent | 517b75e44c7be9c776aa5f7beaa85baff3868f80 (diff) | |
| download | lwn-7ac88eba185b4d0e06a71678e54bc092edcd3af3.tar.gz lwn-7ac88eba185b4d0e06a71678e54bc092edcd3af3.zip | |
bpf: Remove bpf_image tree
Now that we have all the objects (bpf_prog, bpf_trampoline,
bpf_dispatcher) linked in bpf_tree, there's no need to have
separate bpf_image tree for images.
Reverting the bpf_image tree together with struct bpf_image,
because it's no longer needed.
Also removing bpf_image_alloc function and adding the original
bpf_jit_alloc_exec_page interface instead.
The kernel_text_address function can now rely only on is_bpf_text_address,
because it checks the bpf_tree that contains all the objects.
Keeping bpf_image_ksym_add and bpf_image_ksym_del because they are
useful wrappers with perf's ksymbol interface calls.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200312195610.346362-13-jolsa@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'kernel/extable.c')
| -rw-r--r-- | kernel/extable.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/kernel/extable.c b/kernel/extable.c index a0024f27d3a1..7681f87e89dd 100644 --- a/kernel/extable.c +++ b/kernel/extable.c @@ -149,8 +149,6 @@ int kernel_text_address(unsigned long addr) goto out; if (is_bpf_text_address(addr)) goto out; - if (is_bpf_image_address(addr)) - goto out; ret = 0; out: if (no_rcu) |