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=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham 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 3E358C433DF for ; Thu, 25 Jun 2020 15:10:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D0D420767 for ; Thu, 25 Jun 2020 15:10:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405627AbgFYPKu (ORCPT ); Thu, 25 Jun 2020 11:10:50 -0400 Received: from foss.arm.com ([217.140.110.172]:55546 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405425AbgFYPKu (ORCPT ); Thu, 25 Jun 2020 11:10:50 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B320FC0A; Thu, 25 Jun 2020 08:10:49 -0700 (PDT) Received: from [192.168.0.110] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E36813F6CF; Thu, 25 Jun 2020 08:10:48 -0700 (PDT) Subject: Re: [PATCH v5 0/7] arm_pmu: Use NMI for perf interrupt From: Alexandru Elisei To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: mark.rutland@arm.com, maz@kernel.org, will@kernel.org, catalin.marinas@arm.com References: <20200617113851.607706-1-alexandru.elisei@arm.com> Message-ID: <4c615abd-7eee-ac3d-1ce4-939906d26b87@arm.com> Date: Thu, 25 Jun 2020 16:11:18 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200617113851.607706-1-alexandru.elisei@arm.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 6/17/20 12:38 PM, Alexandru Elisei wrote: > The series makes the arm_pmu driver use NMIs for the perf interrupt when > NMIs are available on the platform (currently, only arm64 + GICv3). To make > it easier to play with the patches, I've pushed a branch at [1]: > > $ git clone -b pmu-nmi-v5 git://linux-arm.org/linux-ae For people who wanted to test the series, but couldn't because their firmware was setting SCR_EL3.FIQ, I pushed some patches [1] to fix that. Now pseudo-NMIs work on all GICv3 security + SCR_EL3.FIQ combinations. [1] https://lists.infradead.org/pipermail/linux-arm-kernel/2020-June/580143.html Thanks, Alex