From nobody Tue Mar 3 03:17:12 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=ariadne.space ARC-Seal: i=1; a=rsa-sha256; t=1771974782; cv=none; d=zohomail.com; s=zohoarc; b=DHcHv3QGCSrFdaKCTX+u8blo5viUAY79johVW7AHHOGDa89d/nJGdjkkgVHauF94yjYR0pbIR4QwhNh1x2F1CWaSDbLKE3Zcv1y2I6ERgFmx6avRhmQ0GoRFwjnyOpzT576l65uh1+ZJqs6yYloEzDXhVmcA4L3CsOceFhL5l7I= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1771974782; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=skLgyrDg/ANIiJAiIyTNJyl/Z6YLJFfAYHOFK7Inel8=; b=gGL5nIpYV94cHeEzvOEE64FOa4zYvZO+O7LDKQNSgwsRQpqwO0E37cQxwKmMMLIUePPvhUoPjxOWY8vPm38cvkogF3wEQA/HLn1ArCn+4/j3CIKqZuE8C49tOFpYQoRu9pk8qOOi24rHy30p+LZGx1wGfJVv9SXTUj+Aqdqe7jE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 17719747823111014.2931603383224; Tue, 24 Feb 2026 15:13:02 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.1240322.1541754 (Exim 4.92) (envelope-from ) id 1vv1aF-0001Jr-B5; Tue, 24 Feb 2026 23:12:51 +0000 Received: by outflank-mailman (output) from mailman id 1240322.1541754; Tue, 24 Feb 2026 23:12:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vv1aF-0001Jk-85; Tue, 24 Feb 2026 23:12:51 +0000 Received: by outflank-mailman (input) for mailman id 1240322; Tue, 24 Feb 2026 23:12:50 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1vv1aE-0001JI-3m for xen-devel@lists.xenproject.org; Tue, 24 Feb 2026 23:12:50 +0000 Received: from hermes.ariadne.space (hermes.ariadne.space [2001:19f0:8001:704:5400:5ff:fe8c:fac5]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 51f353ab-11d6-11f1-9ccf-f158ae23cfc8; Wed, 25 Feb 2026 00:12:44 +0100 (CET) Received: from helios (unknown [100.74.42.12]) by hermes.ariadne.space (Postfix) with ESMTP id 41A442685B4; Tue, 24 Feb 2026 23:12:41 +0000 (UTC) Received: from phoebe.taild41b8.ts.net (unknown [172.19.0.1]) by helios (Postfix) with ESMTPSA id 3D4F116000D707; Tue, 24 Feb 2026 23:12:41 +0000 (UTC) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 51f353ab-11d6-11f1-9ccf-f158ae23cfc8 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ariadne.space; s=dkim; t=1771974761; 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; bh=skLgyrDg/ANIiJAiIyTNJyl/Z6YLJFfAYHOFK7Inel8=; b=rLGo077WQtI4v1gc+7PK0iUE0xR4SoMmr59njr6IUbZK5srVtJAdGgB6qsY8DnJOUV9UBk uxvNuf1KUEoeF3wVWfOtYKxX/FVQwHJ059vHUA5ufQvCIwD30EC3+Wju9SJIaJhy8pRs1E LNna8VSvPp/WS0XaeRBhzswhNuNTNSQ= From: Ariadne Conill To: xen-devel@lists.xenproject.org Cc: Ariadne Conill , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stewart Hildebrand , Steven Noonan Subject: [PATCH] xen/vpci: do not use pci_sanitize_bar_memory for domU Date: Tue, 24 Feb 2026 15:12:33 -0800 Message-ID: <20260224231235.6277-1-ariadne@ariadne.space> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @ariadne.space) X-ZM-MESSAGEID: 1771974784530158500 Content-Type: text/plain; charset="utf-8" From: Steven Noonan This function should only be used for the hardware domain, because it compares addresses against the host e820 map. Signed-off-by: Steven Noonan Signed-off-by: Ariadne Conill --- xen/drivers/vpci/header.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/xen/drivers/vpci/header.c b/xen/drivers/vpci/header.c index 852dfd8ae3..1f930b2a1f 100644 --- a/xen/drivers/vpci/header.c +++ b/xen/drivers/vpci/header.c @@ -394,13 +394,15 @@ static int modify_bars(const struct pci_dev *pdev, ui= nt16_t cmd, bool rom_only) } } =20 - rc =3D pci_sanitize_bar_memory(bar->mem); - if ( rc ) - { - gprintk(XENLOG_WARNING, - "%pp: failed to sanitize BAR#%u memory: %d\n", - &pdev->sbdf, i, rc); - return rc; + if (is_hardware_domain(pdev->domain)) { + rc =3D pci_sanitize_bar_memory(mem); + if ( rc ) + { + gprintk(XENLOG_WARNING, + "%pp: failed to sanitize BAR#%u memory: %d\n", + &pdev->sbdf, i, rc); + return rc; + } } } =20 --=20 2.53.0