From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62E55C43331 for ; Fri, 6 Sep 2019 11:28:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 485E920842 for ; Fri, 6 Sep 2019 11:28:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388314AbfIFL2L (ORCPT ); Fri, 6 Sep 2019 07:28:11 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:37846 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725308AbfIFL2K (ORCPT ); Fri, 6 Sep 2019 07:28:10 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1i6CPM-0005wt-H2; Fri, 06 Sep 2019 11:28:04 +0000 From: Colin King To: Yisen Zhuang , Salil Mehta , "David S . Miller" , Peng Li , netdev@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] net: hns3: make array spec_opcode static const, makes object smaller Date: Fri, 6 Sep 2019 12:28:04 +0100 Message-Id: <20190906112804.7812-1-colin.king@canonical.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Colin Ian King Don't populate the array spec_opcode on the stack but instead make it static const. Makes the object code smaller by 48 bytes. Before: text data bss dec hex filename 6914 1040 128 8082 1f92 hns3/hns3vf/hclgevf_cmd.o After: text data bss dec hex filename 6866 1040 128 8034 1f62 hns3/hns3vf/hclgevf_cmd.o (gcc version 9.2.1, amd64) Signed-off-by: Colin Ian King --- drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c index 4c2c9458648f..d5d1cc5d1b6e 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_cmd.c @@ -74,7 +74,7 @@ static bool hclgevf_cmd_csq_done(struct hclgevf_hw *hw) static bool hclgevf_is_special_opcode(u16 opcode) { - u16 spec_opcode[] = {0x30, 0x31, 0x32}; + static const u16 spec_opcode[] = {0x30, 0x31, 0x32}; int i; for (i = 0; i < ARRAY_SIZE(spec_opcode); i++) { -- 2.20.1