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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DECECC433F5 for ; Tue, 28 Sep 2021 18:23:50 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (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 915A361371 for ; Tue, 28 Sep 2021 18:23:50 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 915A361371 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 5498940583; Tue, 28 Sep 2021 18:23:50 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id zGkWd4H0dvil; Tue, 28 Sep 2021 18:23:49 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp2.osuosl.org (Postfix) with ESMTPS id AF43B40580; Tue, 28 Sep 2021 18:23:48 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 97CD9C0011; Tue, 28 Sep 2021 18:23:48 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [IPv6:2605:bc80:3010::136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 2FF53C000D for ; Tue, 28 Sep 2021 18:23:47 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 10AA560B3A for ; Tue, 28 Sep 2021 18:23:47 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (1024-bit key) header.d=redhat.com Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QPA_h9lkYhQA for ; Tue, 28 Sep 2021 18:23:46 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by smtp3.osuosl.org (Postfix) with ESMTPS id 7EF2C60B34 for ; Tue, 28 Sep 2021 18:23:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1632853425; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=iXipVHA7HDBxHYsFQ8A47J68c7im5DD1EeD2KWkQL+g=; b=LpJTz1uGsziiZ185xv3fNcqHaXbhuTXq0cAUbF6brEUYvl4hrhukpgOC+EQjvTX3IZYCz9 KZl5xw2TPg8ePtcTRu3FsSFyzXPu+rAL0hyAB6rPbFjqetroq+H57YxDn9h9Axf9hlfuxP RyB4vH39NI3QkpnP+7/TOWxmdoW+Aac= 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-440-5NJ-y1XEOa2GaoLjlra03g-1; Tue, 28 Sep 2021 14:23:44 -0400 X-MC-Unique: 5NJ-y1XEOa2GaoLjlra03g-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 C8A7EA40C6; Tue, 28 Sep 2021 18:23:41 +0000 (UTC) Received: from t480s.redhat.com (unknown [10.39.194.120]) by smtp.corp.redhat.com (Postfix) with ESMTP id A78BE60877; Tue, 28 Sep 2021 18:23:22 +0000 (UTC) From: David Hildenbrand To: linux-kernel@vger.kernel.org Subject: [PATCH v1 2/8] x86/xen: simplify xen_oldmem_pfn_is_ram() Date: Tue, 28 Sep 2021 20:22:52 +0200 Message-Id: <20210928182258.12451-3-david@redhat.com> In-Reply-To: <20210928182258.12451-1-david@redhat.com> References: <20210928182258.12451-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Cc: Michal Hocko , x86@kernel.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, "H. Peter Anvin" , Thomas Gleixner , Stefano Stabellini , Baoquan He , "Rafael J. Wysocki" , Ingo Molnar , xen-devel@lists.xenproject.org, Dave Young , Vivek Goyal , Borislav Petkov , Boris Ostrovsky , Oscar Salvador , Juergen Gross , kexec@lists.infradead.org, "Michael S. Tsirkin" , linux-fsdevel@vger.kernel.org, Andrew Morton , Mike Rapoport X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" Let's simplify return handling. Signed-off-by: David Hildenbrand --- arch/x86/xen/mmu_hvm.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) diff --git a/arch/x86/xen/mmu_hvm.c b/arch/x86/xen/mmu_hvm.c index b242d1f4b426..eb61622df75b 100644 --- a/arch/x86/xen/mmu_hvm.c +++ b/arch/x86/xen/mmu_hvm.c @@ -21,23 +21,16 @@ static int xen_oldmem_pfn_is_ram(unsigned long pfn) .domid = DOMID_SELF, .pfn = pfn, }; - int ram; if (HYPERVISOR_hvm_op(HVMOP_get_mem_type, &a)) return -ENXIO; switch (a.mem_type) { case HVMMEM_mmio_dm: - ram = 0; - break; - case HVMMEM_ram_rw: - case HVMMEM_ram_ro: + return 0; default: - ram = 1; - break; + return 1; } - - return ram; } #endif -- 2.31.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization