From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout07.his.huawei.com (canpmsgout07.his.huawei.com [113.46.200.222]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F323DDAB; Sat, 31 Jan 2026 01:48:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.222 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769824127; cv=none; b=sRRZGdsZCmeNa9RvO4cyRFtJDmS+TN9Ly6TUqC+G3DaOoBCgrv/lzJeoBSA2DjQIgoHGCj8qCSbsaQKsCSzT50rabhhsXVGJLZc5IesjJamop6IqGCxoxA3w4gpjX1/iXjtgENNTOb1bkY8ZlWlcJibg4R1aB7a2B+ccbqiAKpE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769824127; c=relaxed/simple; bh=SBSh+mAiflAWLJb0y1YnBp+erk89eZKRlpqvF+PXP30=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=rM/Ol67tV+K7QkleA/G2MdRabuEn/qlc9wUnuVhXZMDlzV89quub6AA2EuZvGKPsD1me8PqJdgm8T77uAbeWVD1g3xckdyi613HvBq992r2NPzfBrVIS8Z5/fI/e4Z1jm721uWfCPYKbRbdhPwQsi4QhpDLjKOLjIDRTwxuJ1Ns= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=HCX3tgfc; arc=none smtp.client-ip=113.46.200.222 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="HCX3tgfc" 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 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To dggpemf500011.china.huawei.com (7.185.36.131) 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. >