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GET /api/patches/2216242/?format=api
{ "id": 2216242, "url": "http://patchwork.ozlabs.org/api/patches/2216242/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260326080836.695207-7-surenb@google.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": "<20260326080836.695207-7-surenb@google.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260326080836.695207-7-surenb@google.com/", "date": "2026-03-26T08:08:36", "name": "[v5,6/6] KVM: PPC: use vma_start_write_killable() in kvmppc_memslot_page_merge()", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "6cd853c20a618d875c57bb7575686045a4d718e3", "submitter": { "id": 74729, "url": "http://patchwork.ozlabs.org/api/people/74729/?format=api", "name": "Suren Baghdasaryan", "email": "surenb@google.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260326080836.695207-7-surenb@google.com/mbox/", "series": [ { "id": 497545, "url": "http://patchwork.ozlabs.org/api/series/497545/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497545", "date": "2026-03-26T08:08:30", "name": "[v5,1/6] mm/vma: cleanup error handling path in vma_expand()", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/497545/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216242/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216242/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18816-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=google.com header.i=@google.com header.a=rsa-sha256\n header.s=20251104 header.b=XGInjzmr;\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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Thu, 26\n Mar 2026 01:08:54 -0700 (PDT)", "Date": "Thu, 26 Mar 2026 01:08:36 -0700", "In-Reply-To": "<20260326080836.695207-1-surenb@google.com>", "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", "References": "<20260326080836.695207-1-surenb@google.com>", "X-Mailer": "git-send-email 2.53.0.1018.g2bb0e51243-goog", "Message-ID": "<20260326080836.695207-7-surenb@google.com>", "Subject": "[PATCH v5 6/6] KVM: PPC: use vma_start_write_killable() in\n kvmppc_memslot_page_merge()", "From": "Suren Baghdasaryan <surenb@google.com>", "To": "akpm@linux-foundation.org", "Cc": "willy@infradead.org, david@kernel.org, ziy@nvidia.com,\n\tmatthew.brost@intel.com, joshua.hahnjy@gmail.com, rakie.kim@sk.com,\n\tbyungchul@sk.com, gourry@gourry.net, ying.huang@linux.alibaba.com,\n\tapopple@nvidia.com, lorenzo.stoakes@oracle.com,\n baolin.wang@linux.alibaba.com,\n\tLiam.Howlett@oracle.com, npache@redhat.com, ryan.roberts@arm.com,\n\tdev.jain@arm.com, baohua@kernel.org, lance.yang@linux.dev, vbabka@suse.cz,\n\tjannh@google.com, rppt@kernel.org, mhocko@suse.com, pfalcato@suse.de,\n\tkees@kernel.org, maddy@linux.ibm.com, npiggin@gmail.com, mpe@ellerman.id.au,\n\tchleroy@kernel.org, borntraeger@linux.ibm.com, frankja@linux.ibm.com,\n\timbrenda@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com,\n\tagordeev@linux.ibm.com, svens@linux.ibm.com, gerald.schaefer@linux.ibm.com,\n\tlinux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, surenb@google.com,\n\t\"Ritesh Harjani (IBM)\" <ritesh.list@gmail.com>,\n \"Lorenzo Stoakes (Oracle)\" <ljs@kernel.org>", "Content-Type": "text/plain; charset=\"UTF-8\"", "X-Spam-Status": "No, score=-7.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,\n\tUSER_IN_DEF_DKIM_WL autolearn=disabled version=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "Replace vma_start_write() with vma_start_write_killable(), improving\nreaction time to the kill signal.\nReplace vma_start_write() in kvmppc_memslot_page_merge().\n\nSigned-off-by: Suren Baghdasaryan <surenb@google.com>\nReviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>\nReviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>\n---\n arch/powerpc/kvm/book3s_hv_uvmem.c | 5 ++++-\n 1 file changed, 4 insertions(+), 1 deletion(-)", "diff": "diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c\nindex 5fbb95d90e99..0a28b48a46b8 100644\n--- a/arch/powerpc/kvm/book3s_hv_uvmem.c\n+++ b/arch/powerpc/kvm/book3s_hv_uvmem.c\n@@ -410,7 +410,10 @@ static int kvmppc_memslot_page_merge(struct kvm *kvm,\n \t\t\tret = H_STATE;\n \t\t\tbreak;\n \t\t}\n-\t\tvma_start_write(vma);\n+\t\tif (vma_start_write_killable(vma)) {\n+\t\t\tret = H_STATE;\n+\t\t\tbreak;\n+\t\t}\n \t\t/* Copy vm_flags to avoid partial modifications in ksm_madvise */\n \t\tvm_flags = vma->vm_flags;\n \t\tret = ksm_madvise(vma, vma->vm_start, vma->vm_end,\n", "prefixes": [ "v5", "6/6" ] }