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=-3.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT 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 7147DC282C4 for ; Mon, 4 Feb 2019 17:09:45 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 28AAA2087C for ; Mon, 4 Feb 2019 17:09:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="kwA8Y/pq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 28AAA2087C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=9QlXxwQIF3q690SdMSoWbYyauspSw8AIKqh5aCR6bFU=; b=kwA8Y/pq7jLREW qk3Krc2B77Av4htTnUWlqakxOx85xHN8r7KHXTv8I+NOZORpR9LbOaxwWk/aQDIVINuvEXnfdHBd/ wqcfoIkhWwhdUSr68WfGIWOiRBSsL225DZZo/WAbnm2/MW6I3dfNV+/HLAwfUEWiVN64Zx7lYZ2Yd pidU2ekT8Q7w8r976coTSD0m6qGjafvsuP8W71/ncSZHvMManADCFNaapYVZhWIGHXOkNwdWSbuys xgHls6KjXhFbgKyDLXoLX50z26WzFYcBsQwZvXFCr3g/ZJgtYz31FCAG/WDcXgL8VFVnQfqYZDScI se683e9TzeYeKIWPskdA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gqhka-0003GJ-SO; Mon, 04 Feb 2019 17:09:40 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gqhkY-0003Fv-9K for linux-arm-kernel@lists.infradead.org; Mon, 04 Feb 2019 17:09:39 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C383EEBD; Mon, 4 Feb 2019 09:09:37 -0800 (PST) Received: from e110467-lin.cambridge.arm.com (e110467-lin.cambridge.arm.com [10.1.196.75]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 414C73F589; Mon, 4 Feb 2019 09:09:36 -0800 (PST) From: Robin Murphy To: will.deacon@arm.com, mark.rutland@arm.com Subject: [PATCH 0/5] Fix Arm system PMU hotplug issues Date: Mon, 4 Feb 2019 17:09:03 +0000 Message-Id: X-Mailer: git-send-email 2.20.1.dirty MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190204_090938_336225_26CA5C6C X-CRM114-Status: GOOD ( 12.90 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: suzuki.poulose@arm.com, peterz@infradead.org, bigeasy@linutronix.de, linux-kernel@vger.kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi all, Following the report of a preemption-related bug in arm-cci, it turns out there's a fair bit of cleaning up to do in this area. I've started here with the Arm drivers that I'm fairly familiar with - I suspect the hisi/qcom/xgene ones suffer from similar issues, but it's going to take me a while longer to figure them out in detail. Robin. Robin Murphy (5): perf/arm-cci: Fix CPU hotplug race avoidance cpu/hotplug: Export __cpuhp_state_add_instance_cpuslocked() perf/arm-ccn: Fix CPU hotplug race avoidance cpu/hotplug: Add locked variant of cpuhp_state_add_instance() perf/arm_dsu: Fix CPU hotplug races drivers/perf/arm-cci.c | 22 ++++++++++++---------- drivers/perf/arm-ccn.c | 25 +++++++++++++------------ drivers/perf/arm_dsu_pmu.c | 8 +++++--- include/linux/cpuhotplug.h | 6 ++++++ kernel/cpu.c | 1 + 5 files changed, 37 insertions(+), 25 deletions(-) -- 2.20.1.dirty _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel