| Message ID | 1621328170-17583-1-git-send-email-yangtiezhu@loongson.cn (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [bpf-next] bpf, arm64: Remove redundant switch case about BPF_DIV and BPF_MOD | expand |
Hello: This patch was applied to bpf/bpf-next.git (refs/heads/master): On Tue, 18 May 2021 16:56:10 +0800 you wrote: > After commit 96a71005bdcb ("bpf, arm64: remove obsolete exception handling > from div/mod"), there is no need to check twice about BPF_DIV and BPF_MOD, > remove the redundant switch case. > > Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> > --- > arch/arm64/net/bpf_jit_comp.c | 13 ++++--------- > 1 file changed, 4 insertions(+), 9 deletions(-) Here is the summary with links: - [bpf-next] bpf, arm64: Remove redundant switch case about BPF_DIV and BPF_MOD https://git.kernel.org/bpf/bpf-next/c/119220d81258 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
diff --git a/arch/arm64/net/bpf_jit_comp.c b/arch/arm64/net/bpf_jit_comp.c index 9785026..be873a7 100644 --- a/arch/arm64/net/bpf_jit_comp.c +++ b/arch/arm64/net/bpf_jit_comp.c @@ -485,17 +485,12 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, break; case BPF_ALU | BPF_DIV | BPF_X: case BPF_ALU64 | BPF_DIV | BPF_X: + emit(A64_UDIV(is64, dst, dst, src), ctx); + break; case BPF_ALU | BPF_MOD | BPF_X: case BPF_ALU64 | BPF_MOD | BPF_X: - switch (BPF_OP(code)) { - case BPF_DIV: - emit(A64_UDIV(is64, dst, dst, src), ctx); - break; - case BPF_MOD: - emit(A64_UDIV(is64, tmp, dst, src), ctx); - emit(A64_MSUB(is64, dst, dst, tmp, src), ctx); - break; - } + emit(A64_UDIV(is64, tmp, dst, src), ctx); + emit(A64_MSUB(is64, dst, dst, tmp, src), ctx); break; case BPF_ALU | BPF_LSH | BPF_X: case BPF_ALU64 | BPF_LSH | BPF_X:
After commit 96a71005bdcb ("bpf, arm64: remove obsolete exception handling from div/mod"), there is no need to check twice about BPF_DIV and BPF_MOD, remove the redundant switch case. Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> --- arch/arm64/net/bpf_jit_comp.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-)