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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2891CE6BF33 for ; Sat, 31 Jan 2026 01:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Cc:Content-ID:Content-Description:Resent-Date:Resent-From :Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=I724FHP9bHMBxRJmzzeWHFpJXS4ju6lTv7pjaWoConw=; b=ZkxmRohbh3whd+00joneULEDE0 sN7P3R5bqlhgH0dI25pvGcHIAIczR0uqV4/S3MJZBFgV9txyi1KjrLlCLhJq6oEqD015J/RS6i0QR JsT0AmuUlaRLGkTb2ZuYHxGm7pPQTTIGcWZAIS05nBABBckfJT+McgSQEr5CSUs0GHKhKJqlCiHla RgDu7nZe9WENgE2dd7C9sJD2sIzzS3zfNaYZL/Xztkuv6ip0/IT+WSyWMOEuzt/kA6MmbSQRAmm7e 9vR2xtV7bZPkGENZAW8f/YVrKC+GzciQ8IvddbBCbgKKL6nj0E+zVJyV1YVv5nXXFP6/vzrIKHdpj 47YiOtAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vm06U-00000002Cer-3Qto; Sat, 31 Jan 2026 01:48:50 +0000 Received: from canpmsgout07.his.huawei.com ([113.46.200.222]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vm06S-00000002CeX-0yvp for linux-arm-kernel@lists.infradead.org; Sat, 31 Jan 2026 01:48:49 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=I724FHP9bHMBxRJmzzeWHFpJXS4ju6lTv7pjaWoConw=; b=HCX3tgfcqmG9JPEPW+kfsIzNV7Bd+oulcnGPAAoY+A2vZFtGUOD+gHFUTmRJW/J3392qiTZgk FWg7lPTfrKPwr/N0Vjun2wkCae1S5IvHzqLs4B06H0iMpdGWEz2YRUjJB6ZsIWCXkffPEOYNv9n 1+tUpdBYcXLI/+S1LKfUzJs= Received: from mail.maildlp.com (unknown [172.19.163.163]) by canpmsgout07.his.huawei.com (SkyGuard) with ESMTPS id 4f2wgF4pYjzLlSd; Sat, 31 Jan 2026 09:45:13 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 9A43640565; Sat, 31 Jan 2026 09:48:42 +0800 (CST) Received: from [10.67.109.254] (10.67.109.254) by dggpemf500011.china.huawei.com (7.185.36.131) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Sat, 31 Jan 2026 09:48:41 +0800 Message-ID: Date: Sat, 31 Jan 2026 09:48:40 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.2.0 Subject: Re: [PATCH v11 13/14] entry: Inline syscall_exit_work() and syscall_trace_enter() Content-Language: en-US To: Thomas Gleixner , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20260128031934.3906955-1-ruanjinjie@huawei.com> <20260128031934.3906955-14-ruanjinjie@huawei.com> <87qzr7l858.ffs@tglx> From: Jinjie Ruan In-Reply-To: <87qzr7l858.ffs@tglx> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.109.254] X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To dggpemf500011.china.huawei.com (7.185.36.131) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260130_174848_456963_D62BA9C2 X-CRM114-Status: UNSURE ( 4.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2026/1/30 18:14, Thomas Gleixner wrote: > On Wed, Jan 28 2026 at 11:19, Jinjie Ruan wrote: >> After switch arm64 to Generic Entry, a new hotspot syscall_exit_work() >> appeared because syscall_exit_work() is not inlined, so inline >> syscall_exit_work(). Also inline syscall_trace_enter() to align with >> syscall_exit_work(). > > Has the same collision problem. I can pick that up and massage it on top > of the pending time slice changes. Let me give it a test ride on x86... Thank you very much, hopefully we'll see similar good results there too. >