diff options
| author | Martin KaFai Lau <martin.lau@kernel.org> | 2024-09-04 11:08:44 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-09-04 12:45:18 -0700 |
| commit | 940ce73bdec5a020fec058ba947d2bf627462c53 (patch) | |
| tree | 6abea0014b65820afca61b3af6ae3d1ea6a842f5 /include/linux/bpf_verifier.h | |
| parent | 46f4ea04e053e5dd01459bfbbd8e905a4ccd4190 (diff) | |
bpf: Remove the insn_buf array stack usage from the inline_bpf_loop()
This patch removes the insn_buf array stack usage from the
inline_bpf_loop(). Instead, the env->insn_buf is used. The
usage in inline_bpf_loop() needs more than 16 insn, so the
INSN_BUF_SIZE needs to be increased from 16 to 32.
The compiler stack size warning on the verifier is gone
after this change.
Cc: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/r/20240904180847.56947-2-martin.lau@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include/linux/bpf_verifier.h')
| -rw-r--r-- | include/linux/bpf_verifier.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 2e20207315a9..8458632824a4 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -24,7 +24,7 @@ */ #define TMP_STR_BUF_LEN 320 /* Patch buffer size */ -#define INSN_BUF_SIZE 16 +#define INSN_BUF_SIZE 32 /* Liveness marks, used for registers and spilled-regs (in stack slots). * Read marks propagate upwards until they find a write mark; they record that |