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 D54C0CA0EDC for ; Thu, 14 Aug 2025 10:51:42 +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:CC:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=ygZfgiTZMV+EL+IfOMEjIj+juU7ohm0BwyhvsotlUBk=; b=xR9lTWUERi7MTf/+XQ94AMFNZU mpC/vW1IWeJCft4r/6fVBM+xfvuWGb1UfkQLwhKC5C6E7nnDIYLe4RpJOALgtJD9e0FpdY0nBdYvH 9AwRM80PvonzjRPPMhlB4RivLshERq48a+f3VW6DkDzRS1OPTeS2ROmjlSeqsdshgBEfIe5dsmkzZ RS3dQWCcA+FYSRbBmKJiDE+SfZdQmVn21VBoA7hEFBT1/WAPQkJ+C8i+XQtD1UHUQEzxeK3Yf7N94 CaCRiGQtQpqJTfOjo55jOB6Ai+WH9lu7bH1ISr0/diPexqlAMNLWmC6QLjRDNvng92dHP4V6ecEra aPC4cy6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1umVYX-0000000GfAw-1b3M; Thu, 14 Aug 2025 10:51:37 +0000 Received: from szxga04-in.huawei.com ([45.249.212.190]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1umUPA-0000000GQc5-1XBX for linux-arm-kernel@lists.infradead.org; Thu, 14 Aug 2025 09:37:54 +0000 Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4c2g7t6B27z2TT7M; Thu, 14 Aug 2025 17:35:06 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 51B151A0188; Thu, 14 Aug 2025 17:37:48 +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; Thu, 14 Aug 2025 17:37:46 +0800 Message-ID: <2530ba09-73eb-c0fd-5d77-4e6c5a0810a6@huawei.com> Date: Thu, 14 Aug 2025 17:37:46 +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 -next v7 0/7] arm64: entry: Convert to generic irq entry Content-Language: en-US To: Ada Couprie Diaz CC: , , , , , , , , , , , , , , , , , , References: <20250729015456.3411143-1-ruanjinjie@huawei.com> <6bd09b5b-9830-42b4-ad9e-9ad1e153e564@arm.com> <94757d00-5a8e-ac6b-f832-030f33ccf771@huawei.com> From: Jinjie Ruan In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.67.109.254] X-ClientProxiedBy: kwepems500001.china.huawei.com (7.221.188.70) 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-20250814_023752_719391_AFCAC56F X-CRM114-Status: GOOD ( 15.89 ) 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 2025/8/12 0:03, Ada Couprie Diaz wrote: > On 06/08/2025 09:11, Jinjie Ruan wrote: > >> On 2025/8/5 23:08, Ada Couprie Diaz wrote: >>> Hi Jinjie, >>> >>> On 29/07/2025 02:54, Jinjie Ruan wrote: >>> >>>> Since commit a70e9f647f50 ("entry: Split generic entry into generic >>>> exception and syscall entry") split the generic entry into generic irq >>>> entry and generic syscall entry, it is time to convert arm64 to use >>>> the generic irq entry. And ARM64 will be completely converted to >>>> generic >>>> entry in the upcoming patch series. >>> Note : I had to manually cherry-pick a70e9f647f50 when pulling the >>> series >>> on top of the Linux Arm Kernel for-next/core branch, but there might be >>> something I'm missing here. >> It seems that it is now in mainline v6.16-rc1 and linux-next but not >> Linux Arm Kernel for-next/core branch. > You're right, I misinterpreted the `-next` of the subject, thanks for the > clarification ! >>> I'll spend some time testing the series now, specifically given patch >>> 6's >>> changes, but other than that everything I saw made sense and didn't look >>> like it would be of concern to me. >> Thank you for the test and review. > > I've spent some time testing the series with a few different > configurations, > including PREEMPT_RT, pNMI, various lockup and hang detection options, > UBSAN, shadow call stack, and various CONFIG_DEBUG_XYZ (focused on locks > and IRQs), on both hardware (AMD Seattle) and KVM guests. > > I tried to generate a diverse set of interrupts (via debug exceptions, > page faults, perf, kprobes, swapping, OoM) while loading the system with > different workloads, some generating a lot of context switches : hackbench > and signaltest from rt-tests[0], and mc-crusher[1], a memcached > stress-test. > > I did not have any issues, nor any warning reported by the various > debug features during all my hours of testing, so it looks good ! > > Tested-by: Ada Couprie Diaz Thank you for your comprehensive testing and code review. > > Thank you for the series ! > Ada > > [0]: https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git/ > [1]: https://github.com/memcached/mc-crusher > >