Received: by 2002:a05:6a10:8c0a:0:0:0:0 with SMTP id go10csp893401pxb; Wed, 3 Feb 2021 23:02:49 -0800 (PST) X-Google-Smtp-Source: ABdhPJz3lrkZ5GGXIDC37X30oEO+C21V/LzJmEQ/0fw/TDmEGJigjwZZsIGBRtAz9I3oSrAg3b90 X-Received: by 2002:a17:906:73c2:: with SMTP id n2mr6849576ejl.224.1612422169465; Wed, 03 Feb 2021 23:02:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1612422169; cv=none; d=google.com; s=arc-20160816; b=DGgIBuyf7clRk2ien0b2UT0m2fiTDT1w1GaQ46qexxksNI+nq6oYTTQMMeULauldmW /ECTDak1ze21ZN9J3FWFUApPpkL0/bqC9IPKY7egyly4HXLr67K0Z0l7+5/4Qz99QIne F93OZTH5W6RvUt9ZJTV5o8jEzfZjGUgcRj54Nmu1wiI9ra9OPmLqORJC7yelD83ljHb0 ZzjhpHFIqAQpoeeTpp+3CvTtfg0HaMnPHJAXTwRNTw5A3H3YQ2k7bUGAai1NxdLUkdGQ VwSgbuxb+2WUlJGzUdifPmhX65IlWojs4Y115r0kkgc/94tgTtElmCYLjbfaPfOCFWCf 04NA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date; bh=vHwLlZJofKkRE3SeqwA2p36gVpU8u/wF72c6PxLFJxw=; b=ITy7LQsROzL1VbB0EKQMW6cnUF2Pi+b6l2JEw7uLO9qzAOGCL6ym7tTbqdoCs8vC5w 3t3H3ktVHIXSnOsfB4sj79JVGK0kKU+hEIoe1TY0ukQv2pGyPbBb5+Z0DASasY1aJcfu s3Sy02HyBxD7ag3P3fxJig4APas23cWZudbHoi6Fhz7X2jh9jTcVco9ieEe6Vk0rRmse CykqyyGSI9NbgyEyH9H11RW0HqARZ2gDXBq2PIb2B7+9XtzCsocH7DaFOlHBUGQr57dF hMUwKm15gjnuZlqZ4B2yjZOPgGe7KDgBQIwHHmToPN35hga/A/u8jtOALIeYl1D31z9+ e9Bg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r23si3191711edy.455.2021.02.03.23.02.25; Wed, 03 Feb 2021 23:02:49 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233205AbhBDHBG (ORCPT + 99 others); Thu, 4 Feb 2021 02:01:06 -0500 Received: from muru.com ([72.249.23.125]:56986 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229998AbhBDHBG (ORCPT ); Thu, 4 Feb 2021 02:01:06 -0500 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 12F3D80C5; Thu, 4 Feb 2021 07:00:36 +0000 (UTC) Date: Thu, 4 Feb 2021 09:00:21 +0200 From: Tony Lindgren To: Grygorii Strashko Cc: Lokesh Vutla , Nishanth Menon , linux-kernel@vger.kernel.org, Carl-Oscar Varnander , linux-omap@vger.kernel.org Subject: Re: [PATCH] bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD Message-ID: References: <20210128191548.4376-1-grygorii.strashko@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210128191548.4376-1-grygorii.strashko@ti.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Grygorii Strashko [210128 21:16]: > The main purpose of l3 IRQs is to catch OCP bus access errors and identify > corresponding code places by showing call stack, so it's important to > handle L3 interconnect errors as fast as possible. On RT these IRQs will > became threaded and will be scheduled mach more late from the moment actual > error occurred so showing completely useless information. > > Hence, mark l3 IRQs as IRQF_NO_THREAD so they will not be forced threaded > on RT or if force_irqthreads = true. > > Fixes: 0ee7261c9212 ("drivers: bus: Move the OMAP interconnect driver to drivers/bus/") Thanks applying into fixes. Tony