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path: root/arch/sparc/net/bpf_jit_comp_64.c
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Diffstat (limited to 'arch/sparc/net/bpf_jit_comp_64.c')
-rw-r--r--arch/sparc/net/bpf_jit_comp_64.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/sparc/net/bpf_jit_comp_64.c b/arch/sparc/net/bpf_jit_comp_64.c
index 21de77419f48..8799ae9a8788 100644
--- a/arch/sparc/net/bpf_jit_comp_64.c
+++ b/arch/sparc/net/bpf_jit_comp_64.c
@@ -802,8 +802,13 @@ static void build_prologue(struct jit_ctx *ctx)
{
s32 stack_needed = BASE_STACKFRAME;
- if (ctx->saw_frame_pointer || ctx->saw_tail_call)
- stack_needed += MAX_BPF_STACK;
+ if (ctx->saw_frame_pointer || ctx->saw_tail_call) {
+ struct bpf_prog *prog = ctx->prog;
+ u32 stack_depth;
+
+ stack_depth = prog->aux->stack_depth;
+ stack_needed += round_up(stack_depth, 16);
+ }
if (ctx->saw_tail_call)
stack_needed += 8;
@@ -1217,7 +1222,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx)
}
/* tail call */
- case BPF_JMP | BPF_CALL |BPF_X:
+ case BPF_JMP | BPF_TAIL_CALL:
emit_tail_call(ctx);
break;
@@ -1555,6 +1560,7 @@ struct bpf_prog *bpf_int_jit_compile(struct bpf_prog *prog)
prog->bpf_func = (void *)ctx.image;
prog->jited = 1;
+ prog->jited_len = image_size;
out_off:
kfree(ctx.offset);