From nobody Tue Dec 16 16:55:42 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 151259024848888.51696912624834; Wed, 6 Dec 2017 11:57:28 -0800 (PST) Received: from localhost ([::1]:57429 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eMfoj-0007y2-Gw for importer@patchew.org; Wed, 06 Dec 2017 14:57:17 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50234) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eMfCu-0001Dn-On for qemu-devel@nongnu.org; Wed, 06 Dec 2017 14:18:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eMfCr-0001EE-Pr for qemu-devel@nongnu.org; Wed, 06 Dec 2017 14:18:12 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43914) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eMfCr-0001DH-HL for qemu-devel@nongnu.org; Wed, 06 Dec 2017 14:18:09 -0500 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vB6JE2ER107150 for ; Wed, 6 Dec 2017 14:18:08 -0500 Received: from e18.ny.us.ibm.com (e18.ny.us.ibm.com [129.33.205.208]) by mx0a-001b2d01.pphosted.com with ESMTP id 2epm1wf7mt-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 06 Dec 2017 14:18:08 -0500 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Wed, 6 Dec 2017 14:18:04 -0500 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id vB6JI3MS39780544; Wed, 6 Dec 2017 19:18:03 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8FD7AB204D; Wed, 6 Dec 2017 14:15:10 -0500 (EST) Received: from localhost (unknown [9.80.93.86]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP id 436AAB2056; Wed, 6 Dec 2017 14:15:10 -0500 (EST) From: Michael Roth To: qemu-devel@nongnu.org Date: Wed, 6 Dec 2017 13:15:59 -0600 X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171206191648.18208-1-mdroth@linux.vnet.ibm.com> References: <20171206191648.18208-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17120619-0044-0000-0000-000003BAAB7F X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008161; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000244; SDB=6.00956379; UDB=6.00483442; IPR=6.00736416; BA=6.00005729; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00018387; XFM=3.00000015; UTC=2017-12-06 19:18:05 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17120619-0045-0000-0000-000007E9E2E1 Message-Id: <20171206191648.18208-7-mdroth@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-12-06_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=33 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1712060273 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH 06/55] exec: Explicitly export target AS from address_space_translate_internal X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , Paolo Bonzini , qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Alexey Kardashevskiy This adds an AS** parameter to address_space_do_translate() to make it easier for the next patch to share FlatViews. This should cause no behavioural change. Signed-off-by: Alexey Kardashevskiy Message-Id: <20170921085110.25598-2-aik@ozlabs.ru> Signed-off-by: Paolo Bonzini (cherry picked from commit e76bb18f7e430e0c50fb38d051feacf268bd78f4) Signed-off-by: Michael Roth --- exec.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/exec.c b/exec.c index d20c34ca83..bd94248390 100644 --- a/exec.c +++ b/exec.c @@ -477,7 +477,8 @@ static MemoryRegionSection address_space_do_translate(A= ddressSpace *as, hwaddr *xlat, hwaddr *plen, bool is_write, - bool is_mmio) + bool is_mmio, + AddressSpace **targe= t_as) { IOMMUTLBEntry iotlb; MemoryRegionSection *section; @@ -504,6 +505,7 @@ static MemoryRegionSection address_space_do_translate(A= ddressSpace *as, } =20 as =3D iotlb.target_as; + *target_as =3D iotlb.target_as; } =20 *xlat =3D addr; @@ -526,7 +528,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpac= e *as, hwaddr addr, =20 /* This can never be MMIO. */ section =3D address_space_do_translate(as, addr, &xlat, &plen, - is_write, false); + is_write, false, &as); =20 /* Illegal translation */ if (section.mr =3D=3D &io_mem_unassigned) { @@ -549,7 +551,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpac= e *as, hwaddr addr, plen -=3D 1; =20 return (IOMMUTLBEntry) { - .target_as =3D section.address_space, + .target_as =3D as, .iova =3D addr & ~plen, .translated_addr =3D xlat & ~plen, .addr_mask =3D plen, @@ -570,7 +572,8 @@ MemoryRegion *address_space_translate(AddressSpace *as,= hwaddr addr, MemoryRegionSection section; =20 /* This can be MMIO, so setup MMIO bit. */ - section =3D address_space_do_translate(as, addr, xlat, plen, is_write,= true); + section =3D address_space_do_translate(as, addr, xlat, plen, is_write,= true, + &as); mr =3D section.mr; =20 if (xen_enabled() && memory_access_is_direct(mr, is_write)) { --=20 2.11.0