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Commit a5e2ee5d authored by David S. Miller's avatar David S. Miller
Browse files

bpf: Take advantage of stack_depth tracking in sparc64 JIT 



Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 551f40c4

arch/sparc/net/bpf_jit_comp_64.c

+7 −2
Original line number Diff line number Diff line
@@ -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;