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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C1BDEC433E0 for ; Mon, 1 Mar 2021 09:23:42 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4A96A64E01 for ; Mon, 1 Mar 2021 09:23:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A96A64E01 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:To:From: Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=SNWxorSCGrtAA9+uqyFodVzAHs4umToLK2oN+g9w/cI=; b=iTtObyT9Ckx+u7zWlqVke7OYW Ar20sXb2QGUtbQ9ikU8TtLu1DBeOsTy6v8mVvByoweUCxzNS3li1jxUigXqMdzHT1FY65EjADVVCX GB17b9vG8yxMssi2fVjOVFWXdVPxJFXBRYXEGB1OqKyAfzKZ5tLP6PeYTAKTWoTlwLqbVSy14U1jm BcR82LtixYyFLx5Qwa7x3Kg7JKO3p1u5qqBFYskBbHgjP2iitqAA37DWTwBY9VwE0dqCENwtqULND l7Q6AnWw3DPi9tSPH9Am3cwXF7Nv4c9l5zXp7MSdq3iQMq7C9adb92K/+nZ9V7EL/JEainGiHjHvk nkIRRi4Vw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGekt-0004t5-OU; Mon, 01 Mar 2021 09:22:19 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1lGekq-0004sU-Ns for linux-arm-kernel@lists.infradead.org; Mon, 01 Mar 2021 09:22:17 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 490B064D9E; Mon, 1 Mar 2021 09:22:15 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1lGekm-00GMwV-5F; Mon, 01 Mar 2021 09:22:12 +0000 MIME-Version: 1.0 Date: Mon, 01 Mar 2021 09:22:11 +0000 From: Marc Zyngier To: ito-yuichi@fujitsu.com Subject: Re: [PATCH v2 0/6] arm/arm64: Allow the rescheduling IPI to bypass irq_enter/exit In-Reply-To: References: <20201124141449.572446-1-maz@kernel.org> User-Agent: Roundcube Webmail/1.4.11 Message-ID: X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: ito-yuichi@fujitsu.com, mark.rutland@arm.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel-team@android.com, linux@arm.linux.org.uk, peterz@infradead.org, catalin.marinas@arm.com, tglx@linutronix.de, will@kernel.org, Valentin.Schneider@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210301_042216_851061_2CA6E94C X-CRM114-Status: GOOD ( 14.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 'Mark Rutland' , 'Russell King' , 'Will Deacon' , 'Peter Zijlstra' , 'Catalin Marinas' , 'linux-kernel' , 'Thomas Gleixner' , 'Android Kernel Team' , 'Valentin Schneider' , 'LAK' Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2021-03-01 00:39, ito-yuichi@fujitsu.com wrote: > Hi Marc, > > I plan to add NMI patches which enables IPI_CPU_CRASH_STOP IPI as > pseudo-NMI[1]. > But I know need to resolve the instrumentation issues before that. I > think need to moving arm64 entry code over to the generic entry > code(kernel/entry/common.c) for that, is this right? > > Can you tell me current status? > Let me know if there's anything I can do to help. Mark is working on this, I believe. I'll let him comment on the current state of things. Thanks, M. -- Jazz is not dead. It just smells funny... _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel