From patchwork Mon Sep 27 06:41:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gavin Shan X-Patchwork-Id: 12519177 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DBFDFC433F5 for ; Mon, 27 Sep 2021 06:45:13 +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 A928A6113D for ; Mon, 27 Sep 2021 06:45:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A928A6113D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=S4u0fbPViFQ5dz4QXOIDe9uUtw1sZWJTE/oIh8OsoOs=; b=cDmjolZJqIhwbg NI8TfDzOBmJgWQsaUvMbh71M+yP076OHgu/5Z9BIJx+BS7tO4XdNZ0XrTvZZPcH5gZdvKGC6UL60e eWW9r0hJTrWrwfVEZfcC+bDZId5FkD+CG196v7zCFn7G/iVxyJcB0mAh7O7mkNfvGKp41SPJPZ1We /Hblr6GXxJrGxoFsLuuE5XCtgw0ySqB1mIWltJn0B41ABBaVJvEazWnwLfcqJB5aTPp1ehsrn85UM Kt0gw1f76IvAYB+UzVwFnbJRioMSbuU625IfSNsAvTohhhyAFVr/qw7LHrMmJiQkXyUd+vxqW7b3h 2ra6Nt3DhVsOo0Pljk/A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUkLy-001iWl-TO; Mon, 27 Sep 2021 06:43:07 +0000 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mUkLW-001iQT-F2 for linux-arm-kernel@lists.infradead.org; Mon, 27 Sep 2021 06:42:39 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632724957; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=A7XJHc0p1FnNm1Yats8TDvDF65ghYHfrSmniJKe3ULQ=; b=cKVgivoHRsvbr7xNufHfrbmieP7Uf7mHOSqf2UVpN1k9VoNlgHHX7UeWD3un8jIjiR5GEY gpuq3TN8Ba/ryZK4B8NnlsMRSOuNHJtnGJkO4pHV7KWHY1yP7pdx4Bp5Y1XLWlPq9GHEf9 v2cAnuhtzJshzJImY4S1MoeEMdDE1Kc= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-313-T6Ky4i-5M0mFA2scRJonRQ-1; Mon, 27 Sep 2021 02:42:33 -0400 X-MC-Unique: T6Ky4i-5M0mFA2scRJonRQ-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 698F3802935; Mon, 27 Sep 2021 06:42:31 +0000 (UTC) Received: from gshan.redhat.com (vpn2-54-16.bne.redhat.com [10.64.54.16]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3499960936; Mon, 27 Sep 2021 06:42:26 +0000 (UTC) From: Gavin Shan To: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, robh@kernel.org, maz@kernel.org, rdunlap@infradead.org, catalin.marinas@arm.com, will@kernel.org, shan.gavin@gmail.com Subject: [PATCH v2 2/2] of, numa: Fetch empty NUMA node ID from distance map Date: Mon, 27 Sep 2021 14:41:19 +0800 Message-Id: <20210927064119.127285-3-gshan@redhat.com> In-Reply-To: <20210927064119.127285-1-gshan@redhat.com> References: <20210927064119.127285-1-gshan@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210926_234238_675946_D29001E4 X-CRM114-Status: GOOD ( 12.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org There is no device node for the empty NUMA node. However, the corresponding NUMA node ID and distance map is still valid in "numa-distance-map-v1" compatible device node. This fetches the NUMA node ID and distance map for these empty NUMA node from "numa-distance-map-v1" compatible device node. Signed-off-by: Gavin Shan --- drivers/of/of_numa.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c index fe6b13608e51..5949829a1b00 100644 --- a/drivers/of/of_numa.c +++ b/drivers/of/of_numa.c @@ -111,6 +111,8 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map) return -EINVAL; } + node_set(nodea, numa_nodes_parsed); + numa_set_distance(nodea, nodeb, distance); /* Set default distance of node B->A same as A->B */