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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 C2E00C47094 for ; Thu, 10 Jun 2021 08:39:49 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 6D69961287 for ; Thu, 10 Jun 2021 08:39:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6D69961287 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4G0y8N5C6yz3dGn for ; Thu, 10 Jun 2021 18:39:48 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=JXAcB2jF; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.ibm.com (client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com; envelope-from=aneesh.kumar@linux.ibm.com; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=JXAcB2jF; dkim-atps=neutral Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4G0y536k29z30CX for ; Thu, 10 Jun 2021 18:36:55 +1000 (AEST) Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 15A8Y54X036733; Thu, 10 Jun 2021 04:36:47 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : mime-version : content-type : content-transfer-encoding; s=pp1; bh=gvgp0eZRjG4etnSKooNobKFLTNNg+E2T9ByKunHxpz8=; b=JXAcB2jFP6WR6mtUYT3rAJPFEXArjFuPnQbdeZt0t8h53QOiJn5FORNeOnslNXYMSq15 u0RwqVNCmnQWUjncSPaQqkGtnCqeRZyvH7BtpD0CfwVn7iGtScBq+M9TD6TYIr7OkgB0 BcakF6folij6LjHuSMoA+/UM04LzuPNxWygFglRsemMZePNof3moT0rBn6T9fWN03zyB cU6fZTNW42ncvriNeqcoYhIxK1ubB7f5zeO4blCjfx7HtRkB4k9ewCn07aAhmtZpnGHj TSFybowRMyxBeXmgFNBRI5YMlcvEdB90OG1DRcEAl93mSYcZi8H38X/i36XX5IRjDWp3 MQ== Received: from ppma01dal.us.ibm.com (83.d6.3fa9.ip4.static.sl-reverse.com [169.63.214.131]) by mx0b-001b2d01.pphosted.com with ESMTP id 393esch6h5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 10 Jun 2021 04:36:47 -0400 Received: from pps.filterd (ppma01dal.us.ibm.com [127.0.0.1]) by ppma01dal.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 15A8XrfT015053; Thu, 10 Jun 2021 08:36:46 GMT Received: from b03cxnp08026.gho.boulder.ibm.com (b03cxnp08026.gho.boulder.ibm.com [9.17.130.18]) by ppma01dal.us.ibm.com with ESMTP id 3900wa00sq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 10 Jun 2021 08:36:46 +0000 Received: from b03ledav005.gho.boulder.ibm.com (b03ledav005.gho.boulder.ibm.com [9.17.130.236]) by b03cxnp08026.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 15A8ajGm26935794 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 10 Jun 2021 08:36:45 GMT Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 248C4BE053; Thu, 10 Jun 2021 08:36:45 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6278FBE051; Thu, 10 Jun 2021 08:36:43 +0000 (GMT) Received: from skywalker.ibmuc.com (unknown [9.102.3.162]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 10 Jun 2021 08:36:43 +0000 (GMT) From: "Aneesh Kumar K.V" To: linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au Subject: [PATCH] powerpc/mm/book3s64: Fix possible build error Date: Thu, 10 Jun 2021 14:06:39 +0530 Message-Id: <20210610083639.387365-1-aneesh.kumar@linux.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: tOKBhPMy3LIqCG_bRcn6pWuWzjy6oCz2 X-Proofpoint-ORIG-GUID: tOKBhPMy3LIqCG_bRcn6pWuWzjy6oCz2 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391, 18.0.761 definitions=2021-06-10_03:2021-06-10, 2021-06-10 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 phishscore=0 priorityscore=1501 mlxlogscore=999 suspectscore=0 clxscore=1015 mlxscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106100055 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: "Aneesh Kumar K.V" Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Update _tlbiel_pid() such that we can avoid build errors like below when using this function in other places. arch/powerpc/mm/book3s64/radix_tlb.c: In function ‘__radix__flush_tlb_range_psize’: arch/powerpc/mm/book3s64/radix_tlb.c:114:2: warning: ‘asm’ operand 3 probably does not match constraints 114 | asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1) | ^~~ arch/powerpc/mm/book3s64/radix_tlb.c:114:2: error: impossible constraint in ‘asm’ make[4]: *** [scripts/Makefile.build:271: arch/powerpc/mm/book3s64/radix_tlb.o] Error 1 m With this fix, we can also drop the __always_inline in __radix_flush_tlb_range_psize which was added by commit e12d6d7d46a6 ("powerpc/mm/radix: mark __radix__flush_tlb_range_psize() as __always_inline") Reviewed-by: Christophe Leroy Acked-by: Michael Ellerman Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/mm/book3s64/radix_tlb.c | 26 +++++++++++++++++--------- 1 file changed, 17 insertions(+), 9 deletions(-) diff --git a/arch/powerpc/mm/book3s64/radix_tlb.c b/arch/powerpc/mm/book3s64/radix_tlb.c index 409e61210789..817a02ef6032 100644 --- a/arch/powerpc/mm/book3s64/radix_tlb.c +++ b/arch/powerpc/mm/book3s64/radix_tlb.c @@ -291,22 +291,30 @@ static inline void fixup_tlbie_lpid(unsigned long lpid) /* * We use 128 set in radix mode and 256 set in hpt mode. */ -static __always_inline void _tlbiel_pid(unsigned long pid, unsigned long ric) +static inline void _tlbiel_pid(unsigned long pid, unsigned long ric) { int set; asm volatile("ptesync": : :"memory"); - /* - * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL, - * also flush the entire Page Walk Cache. - */ - __tlbiel_pid(pid, 0, ric); + switch (ric) { + case RIC_FLUSH_PWC: - /* For PWC, only one flush is needed */ - if (ric == RIC_FLUSH_PWC) { + /* For PWC, only one flush is needed */ + __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); ppc_after_tlbiel_barrier(); return; + case RIC_FLUSH_TLB: + __tlbiel_pid(pid, 0, RIC_FLUSH_TLB); + break; + case RIC_FLUSH_ALL: + default: + /* + * Flush the first set of the TLB, and if + * we're doing a RIC_FLUSH_ALL, also flush + * the entire Page Walk Cache. + */ + __tlbiel_pid(pid, 0, RIC_FLUSH_ALL); } if (!cpu_has_feature(CPU_FTR_ARCH_31)) { @@ -1176,7 +1184,7 @@ void radix__tlb_flush(struct mmu_gather *tlb) } } -static __always_inline void __radix__flush_tlb_range_psize(struct mm_struct *mm, +static void __radix__flush_tlb_range_psize(struct mm_struct *mm, unsigned long start, unsigned long end, int psize, bool also_pwc) { -- 2.31.1