xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bpf: Move owner type, jited info into array auxiliary data

Browse Source 
We're going to extend this with further information which is only
relevant for prog array at this point. Given this info is not used
in critical path, move it into its own structure such that the main
array map structure can be kept on diet.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/b9ddccdb0f6f7026489ee955f16c96381e1e7238.1574452833.git.daniel@iogearbox.net
This commit is contained in:
Daniel Borkmann
2019-11-22 21:07:56 +01:00
committed by Alexei Starovoitov
parent 6332be04c0
commit 2beee5f574
5 changed files with 54 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
include/linux/bpf.h
View File

@@ -560,17 +560,21 @@ struct bpf_prog_aux {
};
};
struct bpf_array_aux {
/* 'Ownership' of prog array is claimed by the first program that
* is going to use this map or by the first program which FD is
* stored in the map to make sure that all callers and callees have
* the same prog type and JITed flag.
*/
enum bpf_prog_type type;
bool jited;
};
struct bpf_array {
struct bpf_map map;
u32 elem_size;
u32 index_mask;
/* 'ownership' of prog_array is claimed by the first program that
* is going to use this map or by the first program which FD is stored
* in the map to make sure that all callers and callees have the same
* prog_type and JITed flag
*/
enum bpf_prog_type owner_prog_type;
bool owner_jited;
struct bpf_array_aux *aux;
union {
char value[0] __aligned(8);
void *ptrs[0] __aligned(8);