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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 428F3C433FE for ; Tue, 26 Apr 2022 01:59:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241768AbiDZCCP (ORCPT ); Mon, 25 Apr 2022 22:02:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49300 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241697AbiDZCCJ (ORCPT ); Mon, 25 Apr 2022 22:02:09 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B771B8AE7A for ; Mon, 25 Apr 2022 18:59:01 -0700 (PDT) Received: from kwepemi100020.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KnQ5v1kBJzQjBn; Tue, 26 Apr 2022 09:58:43 +0800 (CST) Received: from kwepemm600010.china.huawei.com (7.193.23.86) by kwepemi100020.china.huawei.com (7.221.188.48) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 09:58:59 +0800 Received: from ubuntu1804.huawei.com (10.67.174.174) by kwepemm600010.china.huawei.com (7.193.23.86) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Tue, 26 Apr 2022 09:58:58 +0800 From: Li Huafei To: , , CC: , , , , , , , , , , , , , , Subject: [PATCH 1/2] riscv: ftrace: Fix the comments about the number of ftrace instruction Date: Tue, 26 Apr 2022 09:57:50 +0800 Message-ID: <20220426015751.88582-1-lihuafei1@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.67.174.174] X-ClientProxiedBy: dggems704-chm.china.huawei.com (10.3.19.181) To kwepemm600010.china.huawei.com (7.193.23.86) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When DYNAMIC_FTRACE is enabled, we put four instructions in front of the function for ftrace use, not five. Signed-off-by: Li Huafei --- arch/riscv/kernel/ftrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c index 4716f4cdc038..63f457650fa4 100644 --- a/arch/riscv/kernel/ftrace.c +++ b/arch/riscv/kernel/ftrace.c @@ -73,7 +73,7 @@ static int __ftrace_modify_call(unsigned long hook_pos, unsigned long target, } /* - * Put 5 instructions with 16 bytes at the front of function within + * Put 4 instructions with 16 bytes at the front of function within * patchable function entry nops' area. * * 0: REG_S ra, -SZREG(sp) -- 2.17.1