{"id":2215837,"url":"http://patchwork.ozlabs.org/api/patches/2215837/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260325092001.613025-1-peter.fang@intel.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/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":"<20260325092001.613025-1-peter.fang@intel.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20260325092001.613025-1-peter.fang@intel.com/","date":"2026-03-25T09:15:11","name":"KVM: Fix kvm_vcpu_map[_readonly]() function prototypes","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a1148c5553afe378be41f8147372220212e3f36f","submitter":{"id":92968,"url":"http://patchwork.ozlabs.org/api/people/92968/?format=json","name":"Fang, Peter","email":"peter.fang@intel.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260325092001.613025-1-peter.fang@intel.com/mbox/","series":[{"id":497436,"url":"http://patchwork.ozlabs.org/api/series/497436/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497436","date":"2026-03-25T09:15:11","name":"KVM: Fix kvm_vcpu_map[_readonly]() function prototypes","version":1,"mbox":"http://patchwork.ozlabs.org/series/497436/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2215837/comments/","check":"success","checks":"http://patchwork.ozlabs.org/api/patches/2215837/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=iEBCVdag;\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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i=@intel.com; q=dns/txt; s=Intel;\n t=1774430568; x=1805966568;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=YvJCLeYzS5c4wGvH6ty0BM9THyyLKkk8rn2stjariRI=;\n b=iEBCVdagLwOwePk5nL5VP5J8J0cLxM4Sl+U4ctgOxk7VKS5PxHVi2S7C\n vR5XnDNzJc61AB7+CMScJKh+5ndHncIwP4VKdCzM78gjG3Fk/6w3mmKDV\n X2hLqCFaqPtSwUHU7mSQEaOLn5pttm0/ywYFXd1OX81fllzPhOeeBcTDb\n Plqc4L/JgBgO5fNXZzZnzqQnrOb5u4vnEdgfy69/vZwwPgZAt1Y7YPjq2\n ycBEkBNVjT4QNb5kmYpG4HIwUdLC2CiOIRdePlNjwneJSsCYDDnvsQQ5/\n lsts1Yny2BxD5NzgMNnQELCm7PMr2g8eAfByY4bl+/gc68qFlj/dXoAij\n w==;","X-CSE-ConnectionGUID":["lZSNxPPKRMSN39nkbge1Zw==","CBHXsM8bQGGn+mPoUgQuJQ=="],"X-CSE-MsgGUID":["l366WWe4R0injBYkjbXYDQ==","yiKoLH6QSgqivBCc9U9b3A=="],"X-IronPort-AV":["E=McAfee;i=\"6800,10657,11739\"; a=\"75485072\"","E=Sophos;i=\"6.23,139,1770624000\";\n d=\"scan'208\";a=\"75485072\"","E=Sophos;i=\"6.23,139,1770624000\";\n d=\"scan'208\";a=\"223827898\""],"X-ExtLoop1":"1","From":"Peter Fang ","To":"Paolo Bonzini ,\n\tSean Christopherson ,\n\tMadhavan Srinivasan ,\n\tNicholas Piggin ","Cc":"kvm@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\tPeter Fang ,\n\tKarimAllah Ahmed ,\n\tKonrad Rzeszutek Wilk ","Subject":"[PATCH] KVM: Fix kvm_vcpu_map[_readonly]() function prototypes","Date":"Wed, 25 Mar 2026 02:15:11 -0700","Message-ID":"<20260325092001.613025-1-peter.fang@intel.com>","X-Mailer":"git-send-email 2.52.0","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-2.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=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(-)\n\n\nbase-commit: d2ea4ff1ce50787a98a3900b3fb1636f3620b7cf","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":[]}