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GET /api/patches/2215837/?format=api
{ "id": 2215837, "url": "http://patchwork.ozlabs.org/api/patches/2215837/?format=api", "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=api", "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=api", "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=api", "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 <linuxppc-dev+bounces-18776-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "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 <peter.fang@intel.com>", "To": "Paolo Bonzini <pbonzini@redhat.com>,\n\tSean Christopherson <seanjc@google.com>,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tNicholas Piggin <npiggin@gmail.com>", "Cc": "kvm@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-kernel@vger.kernel.org,\n\tPeter Fang <peter.fang@intel.com>,\n\tKarimAllah Ahmed <karahmed@amazon.de>,\n\tKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>", "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": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "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 <karahmed@amazon.de>\nCc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>\nSigned-off-by: Peter Fang <peter.fang@intel.com>\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": [] }