{"id":2220753,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2220753/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260408001137.3290444-2-peter.fang@intel.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.2/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260408001137.3290444-2-peter.fang@intel.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260408001137.3290444-2-peter.fang@intel.com/","date":"2026-04-08T00:11:28","name":"[v2,1/3] KVM: Fix kvm_vcpu_map[_readonly]() function prototypes","commit_ref":null,"pull_url":null,"state":"handled-elsewhere","archived":false,"hash":"a1148c5553afe378be41f8147372220212e3f36f","submitter":{"id":92968,"url":"http://patchwork.ozlabs.org/api/1.2/people/92968/?format=json","name":"Peter Fang","email":"peter.fang@intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260408001137.3290444-2-peter.fang@intel.com/mbox/","series":[{"id":499049,"url":"http://patchwork.ozlabs.org/api/1.2/series/499049/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=499049","date":"2026-04-08T00:11:27","name":"KVM: Fix and clean up kvm_vcpu_map[_readonly]() usages","version":2,"mbox":"http://patchwork.ozlabs.org/series/499049/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2220753/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2220753/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=Rbkp2eFg;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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Peter Anvin\"\n\t, , ,\n\t, Peter Fang ,\n\t\"KarimAllah Ahmed\" , Konrad Rzeszutek Wilk\n\t","Subject":"[PATCH v2 1/3] KVM: Fix kvm_vcpu_map[_readonly]() function prototypes","Date":"Tue, 7 Apr 2026 17:11:28 -0700","Message-ID":"<20260408001137.3290444-2-peter.fang@intel.com>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260408001137.3290444-1-peter.fang@intel.com>","References":"<20260408001137.3290444-1-peter.fang@intel.com>","Content-Transfer-Encoding":"8bit","Content-Type":"text/plain","X-ClientProxiedBy":"BYAPR04CA0011.namprd04.prod.outlook.com\n (2603:10b6:a03:40::24) To SJ0PR11MB5645.namprd11.prod.outlook.com\n (2603:10b6:a03:3b9::19)","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n 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sUsP2g+TfsZxopZ4aiVeAodwMWRwsWx54/E/HZQLRIsldOjDIfxTzE+g2ZIQ6Z1Qv6zMRHKr5ehSFUASCuc/kT3+cjwsdQ0s06kZiMNgrE61En68ZIiF+lb6z+C6JdBt8OMJdc2rKKpo1Z2n2nCPBeoWOGVjtLb8UZNUDAVivxHIpVx+Otl9V/5c9C5tBoL7q2ZUGQVTMgACiRRC5eMs2jJodij0ti1+7ADwsb6USXSaecShsi2sy1gV3j3t+I2hb6Inm9myC/Dr0gv8KDL5D5JyXUVua9U1xpPkgA7Oa4IeXZ9AaydX0x3+EHl1aM4uzdR/fo9lS72lVfrmV1cf+Q==","X-MS-Exchange-CrossTenant-Network-Message-Id":"\n bcc18e15-f2c6-4a6c-5413-08de9503888e","X-MS-Exchange-CrossTenant-AuthSource":"SJ0PR11MB5645.namprd11.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Internal","X-MS-Exchange-CrossTenant-OriginalArrivalTime":"08 Apr 2026 00:12:34.5442\n (UTC)","X-MS-Exchange-CrossTenant-FromEntityHeader":"Hosted","X-MS-Exchange-CrossTenant-Id":"46c98d88-e344-4ed4-8496-4ed7712e255d","X-MS-Exchange-CrossTenant-MailboxType":"HOSTED","X-MS-Exchange-CrossTenant-UserPrincipalName":"\n fL5SJjwLmmAS1DnsHlFn08TLmOBVuOpkzUJV1+ES5zZwQopWm5o5pH2zpvEerRvRUvX7Y36pgAkSmA/xqrAYOQ==","X-MS-Exchange-Transport-CrossTenantHeadersStamped":"BL3PR11MB6529","X-OriginatorOrg":"intel.com","X-Spam-Status":"No, score=-2.4 required=3.0 tests=ARC_INVALID,ARC_SIGNED,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,\n\tRCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"content":"kvm_vcpu_map() and kvm_vcpu_map_readonly() should take a gfn instead of\na gpa. This appears to be a result of the original kvm_vcpu_map() being\ndeclared with the wrong function prototype in kvm_host.h, even though\nit was correct in the actual implementation in kvm_main.c.\n\nNo actual harm has been done yet as all of the call sites are correctly\npassing in a gfn. Plus, both gfn_t and gpa_t are typedef'd to u64 so\nthis change shouldn't have any functional impact.\n\nCompile-tested on x86 and ppc, which are the current users of these\ninterfaces.\n\nFixes: e45adf665a53 (\"KVM: Introduce a new guest mapping API\")\nCc: KarimAllah Ahmed \nCc: Konrad Rzeszutek Wilk \nSigned-off-by: Peter Fang \n---\n include/linux/kvm_host.h | 10 +++++-----\n 1 file changed, 5 insertions(+), 5 deletions(-)","diff":"diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h\nindex 6b76e7a6f4c2..4e3bea92a06b 100644\n--- a/include/linux/kvm_host.h\n+++ b/include/linux/kvm_host.h\n@@ -1382,20 +1382,20 @@ void mark_page_dirty_in_slot(struct kvm *kvm, const struct kvm_memory_slot *mems\n void mark_page_dirty(struct kvm *kvm, gfn_t gfn);\n void kvm_vcpu_mark_page_dirty(struct kvm_vcpu *vcpu, gfn_t gfn);\n \n-int __kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa, struct kvm_host_map *map,\n+int __kvm_vcpu_map(struct kvm_vcpu *vcpu, gfn_t gfn, struct kvm_host_map *map,\n \t\t bool writable);\n void kvm_vcpu_unmap(struct kvm_vcpu *vcpu, struct kvm_host_map *map);\n \n-static inline int kvm_vcpu_map(struct kvm_vcpu *vcpu, gpa_t gpa,\n+static inline int kvm_vcpu_map(struct kvm_vcpu *vcpu, gfn_t gfn,\n \t\t\t struct kvm_host_map *map)\n {\n-\treturn __kvm_vcpu_map(vcpu, gpa, map, true);\n+\treturn __kvm_vcpu_map(vcpu, gfn, map, true);\n }\n \n-static inline int kvm_vcpu_map_readonly(struct kvm_vcpu *vcpu, gpa_t gpa,\n+static inline int kvm_vcpu_map_readonly(struct kvm_vcpu *vcpu, gfn_t gfn,\n \t\t\t\t\tstruct kvm_host_map *map)\n {\n-\treturn __kvm_vcpu_map(vcpu, gpa, map, false);\n+\treturn __kvm_vcpu_map(vcpu, gfn, map, false);\n }\n \n static inline void kvm_vcpu_map_mark_dirty(struct kvm_vcpu *vcpu,\n","prefixes":["v2","1/3"]}