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Diffstat (limited to 'kernel/bpf/trampoline.c')
-rw-r--r--kernel/bpf/trampoline.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
index 505f4e4b31d2..79a04417050d 100644
--- a/kernel/bpf/trampoline.c
+++ b/kernel/bpf/trampoline.c
@@ -160,11 +160,12 @@ static int bpf_trampoline_update(struct bpf_trampoline *tr)
if (fexit_cnt)
flags = BPF_TRAMP_F_CALL_ORIG | BPF_TRAMP_F_SKIP_FRAME;
- err = arch_prepare_bpf_trampoline(new_image, &tr->func.model, flags,
+ err = arch_prepare_bpf_trampoline(new_image, new_image + PAGE_SIZE / 2,
+ &tr->func.model, flags,
fentry, fentry_cnt,
fexit, fexit_cnt,
tr->func.addr);
- if (err)
+ if (err < 0)
goto out;
if (tr->selector)
@@ -296,7 +297,8 @@ void notrace __bpf_prog_exit(struct bpf_prog *prog, u64 start)
}
int __weak
-arch_prepare_bpf_trampoline(void *image, struct btf_func_model *m, u32 flags,
+arch_prepare_bpf_trampoline(void *image, void *image_end,
+ const struct btf_func_model *m, u32 flags,
struct bpf_prog **fentry_progs, int fentry_cnt,
struct bpf_prog **fexit_progs, int fexit_cnt,
void *orig_call)