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 55C15E8B383 for ; Wed, 4 Feb 2026 01:29:01 +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=L+0hqhwwEEcFoOBs1tRRgPrd1kMmn8Imhm5OGfDiaX8=; b=0DHIhcYEuHATYzWo8d0hSzPS8y GsUwrcp89elvdTtFjiKcFKMID1DqIAAD3xF8KlaBRKhATIaH9FmYp5uINOcqFhDlFTDk0zzp2LUmX gVN3L8Zkx7LNUB85O7lwYq1+1u/LT4zLI0PT62kHOMBxYNDGIfkImWwTB2IRo2e3ewKb9b2lrU31J aYVAVq4dOYCXvKqc2YwwyUrunYJxYMWQfPN/hkKNOB6o5QwTe0ykhRGarbjTg9gOz4mHQRBFzyH4C IxzBIPBnMVQqj1YxbNq5rUvy7z5TozLssIUd4sSTmyVVrgpo7rdW7gSVdyRhXPQPsOuwgJQqkJ5up 0sN0AkQg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnRhO-00000007gbB-1zbU; Wed, 04 Feb 2026 01:28:54 +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 1vnRhL-00000007gaZ-1P5m for linux-arm-kernel@lists.infradead.org; Wed, 04 Feb 2026 01:28:53 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=L+0hqhwwEEcFoOBs1tRRgPrd1kMmn8Imhm5OGfDiaX8=; b=zpUsv6Z5Y8Lo53Zlj04UUtA46/PV3thl93doCgX194Q7eZyh0HmebxnRFUajgX1o5/q3btODi ek88WT3o7pvrEB2dTiOuq3PuG/qz27cnuVfJ6Ko/7BEGuUev5OQRCD3I3EoqKqGIwGNB3PIDPMj ZN1eBcP//+5yOU2Fe4SmtUs= Received: from mail.maildlp.com (unknown [172.19.163.127]) by canpmsgout07.his.huawei.com (SkyGuard) with ESMTPS id 4f5N135NR4zLlSB; Wed, 4 Feb 2026 09:24:07 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 852DD40363; Wed, 4 Feb 2026 09:28:41 +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; Wed, 4 Feb 2026 09:28:39 +0800 Message-ID: <2699bcdc-8d56-7fe9-fa9a-a3d61476e806@huawei.com> Date: Wed, 4 Feb 2026 09:28:26 +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 v12 00/13] arm64: entry: Convert to Generic Entry Content-Language: en-US To: Thomas Gleixner , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <20260203133728.848283-1-ruanjinjie@huawei.com> <87bji552uk.ffs@tglx> From: Jinjie Ruan In-Reply-To: <87bji552uk.ffs@tglx> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit 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-20260203_172851_841719_2D923C1B X-CRM114-Status: GOOD ( 10.39 ) 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 2026/2/3 22:16, Thomas Gleixner wrote: > On Tue, Feb 03 2026 at 21:37, Jinjie Ruan wrote: >> Currently, x86, Riscv, Loongarch use the Generic Entry which makes >> maintainers' work easier and codes more elegant. arm64 has already >> successfully switched to the Generic IRQ Entry in commit >> b3cf07851b6c ("arm64: entry: Switch to generic IRQ entry"), it is >> time to completely convert arm64 to Generic Entry. >> >> The goal is to bring arm64 in line with other architectures that already >> use the generic entry infrastructure, reducing duplicated code and >> making it easier to share future changes in entry/exit paths, such as >> "Syscall User Dispatch". >> >> This patch set is rebased on "sched/core". And the performance > > Why are you using sched/core, which contains a lot of unrelated > changes. core/entry is the one which has the prerequisites and nothing > else.... By the way，it looks like core/entry and arm64 for-next/entry have diverged: the first three patches of this series are already in arm64 for-next/entry but missing from core/entry. Perhaps the two branches should be reconciled so that both contain the same baseline. > >