{"id":2222254,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222254/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260411022618.2136588-14-kshk@linux.ibm.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260411022618.2136588-14-kshk@linux.ibm.com>","date":"2026-04-11T02:26:16","name":"[v2,13/15] s390x/pci: Add a comment explaining S390PCIIOMMU purpose","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"831b531836535d0f5e8e7ec3085f0fbbe681e053","submitter":{"id":90249,"url":"http://patchwork.ozlabs.org/api/1.1/people/90249/?format=json","name":"Konstantin Shkolnyy","email":"kshk@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260411022618.2136588-14-kshk@linux.ibm.com/mbox/","series":[{"id":499525,"url":"http://patchwork.ozlabs.org/api/1.1/series/499525/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499525","date":"2026-04-11T02:26:13","name":"s390x/pci: Implement migration for emulated devices","version":2,"mbox":"http://patchwork.ozlabs.org/series/499525/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222254/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222254/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=PhpQg7C6;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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It's a QEMU requirement to provide this \"root\" AddressSpace\n+ * early. The AddressSpace is only actually used for I/O while the PCI\n+ * device is plugged in and configured by the guest, at which time it gets\n+ * additional memory subregions from zPCI device, that can do real work.\n+ */\n struct S390PCIIOMMU {\n Object parent_obj;\n AddressSpace as;\n","prefixes":["v2","13/15"]}