From patchwork Thu Apr 30 20:38:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 11521485 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8BA7413B2 for ; Thu, 30 Apr 2020 20:39:01 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 73EE2207DD for ; Thu, 30 Apr 2020 20:39:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 73EE2207DD Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BDC376E949; Thu, 30 Apr 2020 20:38:54 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id C2AC76E48E for ; Thu, 30 Apr 2020 20:38:51 +0000 (UTC) IronPort-SDR: ljZqI2NZuS4I+bWfiaUc6gZzv6sc0IXejyl9LFliRcDAG6NK+DICxfsM8EyK3ph4Meu7HeGIY0 zyHDVdyScItg== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2020 13:38:51 -0700 IronPort-SDR: hB//QQpet3fOdmuPqRAhuKh6hnLMIfJNg3bTy5qhPJCt9/QRNs8zhIzkpzjhDWblDqxeVXndxO EriWtSJ5oOZA== X-IronPort-AV: E=Sophos;i="5.73,337,1583222400"; d="scan'208";a="294637095" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2020 13:38:50 -0700 From: ira.weiny@intel.com To: linux-kernel@vger.kernel.org, Andrew Morton , Christian Koenig , Huang Rui Subject: [PATCH V1 02/10] arch/xtensa: Move kmap build bug out of the way Date: Thu, 30 Apr 2020 13:38:37 -0700 Message-Id: <20200430203845.582900-3-ira.weiny@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200430203845.582900-1-ira.weiny@intel.com> References: <20200430203845.582900-1-ira.weiny@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Dave Hansen , dri-devel@lists.freedesktop.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Ira Weiny , Thomas Gleixner , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Ingo Molnar , linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, Borislav Petkov , Andy Lutomirski , Dan Williams , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, "David S. Miller" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Ira Weiny Move the kmap() build bug to kmap_init() to facilitate patches to lift kmap() to the core. Signed-off-by: Ira Weiny --- arch/xtensa/include/asm/highmem.h | 5 ----- arch/xtensa/mm/highmem.c | 5 +++++ 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index 413848cc1e56..a9587c85be85 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -68,11 +68,6 @@ void kunmap_high(struct page *page); static inline void *kmap(struct page *page) { - /* Check if this memory layout is broken because PKMAP overlaps - * page table. - */ - BUILD_BUG_ON(PKMAP_BASE < - TLBTEMP_BASE_1 + TLBTEMP_SIZE); might_sleep(); if (!PageHighMem(page)) return page_address(page); diff --git a/arch/xtensa/mm/highmem.c b/arch/xtensa/mm/highmem.c index 184ceadccc1a..711641c4d214 100644 --- a/arch/xtensa/mm/highmem.c +++ b/arch/xtensa/mm/highmem.c @@ -88,6 +88,11 @@ void __init kmap_init(void) { unsigned long kmap_vstart; + /* Check if this memory layout is broken because PKMAP overlaps + * page table. + */ + BUILD_BUG_ON(PKMAP_BASE < + TLBTEMP_BASE_1 + TLBTEMP_SIZE); /* cache the first kmap pte */ kmap_vstart = __fix_to_virt(FIX_KMAP_BEGIN); kmap_pte = kmap_get_fixmap_pte(kmap_vstart);