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[23.128.96.18]) by mx.google.com with ESMTP id gq1si5721254ejb.675.2021.02.05.11.59.58; Fri, 05 Feb 2021 12:00:22 -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; dkim=pass header.i=@linutronix.de header.s=2020 header.b=ow+Om3SQ; dkim=neutral (no key) header.i=@linutronix.de header.s=2020e header.b=ozBiqs2c; 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; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233267AbhBESPj (ORCPT + 99 others); Fri, 5 Feb 2021 13:15:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36096 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbhBESPB (ORCPT ); Fri, 5 Feb 2021 13:15:01 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFFB8C06174A; Fri, 5 Feb 2021 11:56:45 -0800 (PST) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1612555004; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=idPdMlfFtOd6nu/dAAxfHP59IryvoVRGIpXe2hyAuVs=; b=ow+Om3SQik3ioekenXmBLtaF/BTnMtuA3WZSy0LWc/T9EmoiU6ZvqbhZzqZLBPxfHVP2Co iRW0KaQxHIfLwY1SWSFcfyos1LBliXFxh5gz5Phn/P5n2ZeyYktmJ4NiyHfsFznoQkpcuq StJ6iY4qNpLlOOoVu4Fu9HRCY/b4AaDoIUu8iete4yaf0vKsRAREBKal94JezXVF8mMxoz Xowtyn6/B5SEWrPDcUNXAO+REkWeLyAsI8RetaxyGiSWvz3pbj+2W7L2DSB+hTmb5r1TqF gvg+FgbCZX/Aj4rp20tZzdyob5vRA/o8bgwuZaAqE0lIEflkUCc3Deuc6eVp1g== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1612555004; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=idPdMlfFtOd6nu/dAAxfHP59IryvoVRGIpXe2hyAuVs=; b=ozBiqs2cwS2JeylxHhF20WMTKVtPLnWVgPdPfWVW0pYXi0pHaot81q2z3H2sn8oF4gZSom wUPlxIxD/N2FiTCA== To: Nitesh Narayan Lal , Marcelo Tosatti Cc: Robin Murphy , linux-kernel@vger.kernel.org, linux-api@vger.kernel.org, frederic@kernel.org, juri.lelli@redhat.com, abelits@marvell.com, bhelgaas@google.com, linux-pci@vger.kernel.org, rostedt@goodmis.org, mingo@kernel.org, peterz@infradead.org, davem@davemloft.net, akpm@linux-foundation.org, sfr@canb.auug.org.au, stephen@networkplumber.org, rppt@linux.vnet.ibm.com, jinyuqi@huawei.com, zhangshaokun@hisilicon.com Subject: Re: [Patch v4 1/3] lib: Restrict cpumask_local_spread to houskeeping CPUs In-Reply-To: <18584612-868c-0f88-5de2-dc93c8638816@redhat.com> References: <20200625223443.2684-1-nitesh@redhat.com> <20200625223443.2684-2-nitesh@redhat.com> <3e9ce666-c9cd-391b-52b6-3471fe2be2e6@arm.com> <20210127121939.GA54725@fuller.cnet> <87r1m5can2.fsf@nanos.tec.linutronix.de> <20210128165903.GB38339@fuller.cnet> <87h7n0de5a.fsf@nanos.tec.linutronix.de> <20210129142356.GB40876@fuller.cnet> <18584612-868c-0f88-5de2-dc93c8638816@redhat.com> Date: Fri, 05 Feb 2021 20:56:43 +0100 Message-ID: <875z368f0k.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 29 2021 at 09:35, Nitesh Narayan Lal wrote: > On 1/29/21 9:23 AM, Marcelo Tosatti wrote: >>> I am not sure about the PCI patch as I don't think we can control that from >>> the userspace or maybe I am wrong? >> You mean "lib: Restrict cpumask_local_spread to housekeeping CPUs" ? > > No, "PCI: Restrict probe functions to housekeeping CPUs". That part is fine because it just moves the probing to a work queue on a housekeeping CPU. But that has nothing to do with the interrupt spreading library. Thanks, tglx