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Mon, 17 Aug 2020 10:32:49 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma05wdc.us.ibm.com with ESMTP id 32x7b8r2u4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 17 Aug 2020 10:32:49 +0000 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 07HAWmGo11600776 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Aug 2020 10:32:49 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E01D1112067; Mon, 17 Aug 2020 10:32:48 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2C3A6112064; Mon, 17 Aug 2020 10:32:47 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.102.2.56]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 17 Aug 2020 10:32:46 +0000 (GMT) From: "Aneesh Kumar K.V" To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au Subject: [PATCH v2 3/3] powerpc/numa: Move POWER4 restriction to the helper Date: Mon, 17 Aug 2020 16:02:38 +0530 Message-Id: <20200817103238.158133-3-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200817103238.158133-1-aneesh.kumar@linux.ibm.com> References: <20200817103238.158133-1-aneesh.kumar@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-08-17_02:2020-08-17, 2020-08-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 adultscore=0 priorityscore=1501 impostorscore=0 mlxlogscore=912 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008170075 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nathan Lynch , "Aneesh Kumar K.V" , Srikar Dronamraju Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Even though the comment says POWER4 usage, I guess it applies to all platforms since there is no PVR check there. This patch moves the check to the helper. Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/mm/numa.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c index d29f60e15777..7319084345e1 100644 --- a/arch/powerpc/mm/numa.c +++ b/arch/powerpc/mm/numa.c @@ -250,7 +250,8 @@ int affinity_domain_to_nid(struct affinity_domain *domain) if (!firmware_has_feature(FW_FEATURE_LPAR)) return domain_id; - if (domain_id == -1) + /* POWER4 LPAR uses 0xffff as invalid node */ + if (domain_id == -1 || domain_id == 0xffff) return NUMA_NO_NODE; nid = __affinity_domain_to_nid(domain_id, last_nid); @@ -283,10 +284,6 @@ static int associativity_to_nid(const __be32 *associativity) if (of_read_number(associativity, 1) >= min_common_depth) domain.id = of_read_number(&associativity[min_common_depth], 1); - /* POWER4 LPAR uses 0xffff as invalid node */ - if (domain.id == 0xffff) - domain.id = -1; - nid = affinity_domain_to_nid(&domain); if (nid > 0 && @@ -499,9 +496,6 @@ static int of_drconf_to_nid_single(struct drmem_lmb *lmb) index = lmb->aa_index * aa.array_sz + min_common_depth - 1; domain.id = of_read_number(&aa.arrays[index], 1); - if (domain.id == 0xffff) - domain.id = -1; - nid = affinity_domain_to_nid(&domain); if (nid > 0) {