From patchwork Fri Apr 17 14:27:54 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 11495307 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 83D5E81 for ; Fri, 17 Apr 2020 14:28:36 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 6964620857 for ; Fri, 17 Apr 2020 14:28:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6964620857 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jPRyJ-0007y9-4p; Fri, 17 Apr 2020 14:27:59 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jPRyH-0007xJ-0x for xen-devel@lists.xenproject.org; Fri, 17 Apr 2020 14:27:57 +0000 X-Inumbo-ID: a13dc2f8-80b7-11ea-9e09-bc764e2007e4 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id a13dc2f8-80b7-11ea-9e09-bc764e2007e4; Fri, 17 Apr 2020 14:27:56 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id CD821AB5F; Fri, 17 Apr 2020 14:27:54 +0000 (UTC) Subject: [PATCH 06/10] x86/shadow: sh_remove_write_access_from_sl1p() can be static From: Jan Beulich To: "xen-devel@lists.xenproject.org" References: <65bfcd6a-2bb0-da6f-9e85-39f224bd81fb@suse.com> Message-ID: <56e38dfd-2733-b669-180a-5876a339c60a@suse.com> Date: Fri, 17 Apr 2020 16:27:54 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <65bfcd6a-2bb0-da6f-9e85-39f224bd81fb@suse.com> Content-Language: en-US X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , Tim Deegan , George Dunlap , Wei Liu , =?utf-8?q?R?= =?utf-8?q?oger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" It's only used by common.c. Signed-off-by: Jan Beulich --- a/xen/arch/x86/mm/shadow/common.c +++ b/xen/arch/x86/mm/shadow/common.c @@ -38,6 +38,9 @@ #include #include "private.h" +static int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn, + mfn_t smfn, unsigned long offset); + DEFINE_PER_CPU(uint32_t,trace_shadow_path_flags); static int sh_enable_log_dirty(struct domain *, bool log_global); @@ -1999,8 +2002,8 @@ int sh_remove_write_access(struct domain } #if (SHADOW_OPTIMIZATIONS & SHOPT_OUT_OF_SYNC) -int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn, - mfn_t smfn, unsigned long off) +static int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn, + mfn_t smfn, unsigned long off) { struct page_info *sp = mfn_to_page(smfn); --- a/xen/arch/x86/mm/shadow/private.h +++ b/xen/arch/x86/mm/shadow/private.h @@ -396,9 +396,6 @@ void sh_resync(struct domain *d, mfn_t g void oos_fixup_add(struct domain *d, mfn_t gmfn, mfn_t smfn, unsigned long off); -int sh_remove_write_access_from_sl1p(struct domain *d, mfn_t gmfn, - mfn_t smfn, unsigned long offset); - /* Pull all out-of-sync shadows back into sync. If skip != 0, we try * to avoid resyncing where we think we can get away with it. */