Message ID | 20191001234616.7825-96-mdroth@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 1 Oct 2019 23:48:03 +0000 (GMT) From: Michael Roth <mdroth@linux.vnet.ibm.com> To: qemu-devel@nongnu.org Subject: [PATCH 95/97] s390: PCI: fix IOMMU region init Date: Tue, 1 Oct 2019 18:46:14 -0500 Message-Id: <20191001234616.7825-96-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> References: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-01_10:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910010203 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Christian Borntraeger <borntraeger@de.ibm.com>, qemu-stable@nongnu.org, Matthew Rosato <mjrosato@linux.ibm.com> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> |
Series |
Patch Round-up for stable 4.0.1, freeze on 2019-10-10
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expand
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diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index 2d0a28d544..a6be6305b8 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -694,10 +694,15 @@ static const MemoryRegionOps s390_msi_ctrl_ops = { void s390_pci_iommu_enable(S390PCIIOMMU *iommu) { + /* + * The iommu region is initialized against a 0-mapped address space, + * so the smallest IOMMU region we can define runs from 0 to the end + * of the PCI address space. + */ char *name = g_strdup_printf("iommu-s390-%04x", iommu->pbdev->uid); memory_region_init_iommu(&iommu->iommu_mr, sizeof(iommu->iommu_mr), TYPE_S390_IOMMU_MEMORY_REGION, OBJECT(&iommu->mr), - name, iommu->pal - iommu->pba + 1); + name, iommu->pal + 1); iommu->enabled = true; memory_region_add_subregion(&iommu->mr, 0, MEMORY_REGION(&iommu->iommu_mr)); g_free(name);