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{ "id": 2231658, "url": "http://patchwork.ozlabs.org/api/covers/2231658/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1777606826.git.ritesh.list@gmail.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": "<cover.1777606826.git.ritesh.list@gmail.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/cover.1777606826.git.ritesh.list@gmail.com/", "date": "2026-05-01T04:11:39", "name": "[v3,0/9] pseries/papr-hvpipe: Fix deadlock, races and misc cleanups", "submitter": { "id": 79126, "url": "http://patchwork.ozlabs.org/api/people/79126/?format=api", "name": "Ritesh Harjani (IBM)", "email": "ritesh.list@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1777606826.git.ritesh.list@gmail.com/mbox/", "series": [ { "id": 502420, "url": "http://patchwork.ozlabs.org/api/series/502420/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=502420", "date": "2026-05-01T04:11:39", "name": "pseries/papr-hvpipe: Fix deadlock, races and misc cleanups", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/502420/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2231658/comments/", "headers": { "Return-Path": "\n <linuxppc-dev+bounces-20351-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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=slQ041kH;\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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The tests\nare not straight forward and we are waiting for the results.\nWill update on the test results once we hear back from the internal test team.\n\nv2->v3:\n======\n1. Rearranged the patches in such a way that it is easier to backport the fixes\n if required.\n2. Clubbed patch-8 and patch-10 (of v2) since they both were changing the same function.\n3. Handled ret>=0 case in copy_to_user patch, when the user itself may request\n for 0 effective bytes (after the HDR_LEN).\n\n[v2]: https://lore.kernel.org/linuxppc-dev/cover.1775648406.git.ritesh.list@gmail.com/\n\nv1->v2:\n========\n1. Fix a possible deadlock due to use of spin_lock instead of spin_lock_irqsave.\n2. Prevent kernel stack uninit memory leak to userspace\n3. Fix the race condition in null-ptr-deref case where there may be an\n msg pending to be consumed from the hvpipe.\n4. Fixed error handling in init routine in patch-10\n\n[v1]: https://lore.kernel.org/linuxppc-dev/cover.1775569027.git.ritesh.list@gmail.com/#t\n\nRitesh Harjani (IBM) (9):\n pseries/papr-hvpipe: Fix race with interrupt handler\n pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace\n pseries/papr-hvpipe: Fix null ptr deref in papr_hvpipe_dev_create_handle()\n pseries/papr-hvpipe: Fix & simplify error handling in papr_hvpipe_init()\n pseries/papr-hvpipe: Fix the usage of copy_to_user()\n pseries/papr-hvpipe: Simplify spin unlock usage in papr_hvpipe_handle_release()\n pseries/papr-hvpipe: Kill task_struct pointer from struct hvpipe_source_info\n pseries/papr-hvpipe: Refactor and simplify hvpipe_rtas_recv_msg()\n pseries/papr-hvpipe: Fix style and checkpatch issues in enable_hvpipe_IRQ()\n\n arch/powerpc/platforms/pseries/papr-hvpipe.c | 181 ++++++++++---------\n arch/powerpc/platforms/pseries/papr-hvpipe.h | 1 -\n 2 files changed, 97 insertions(+), 85 deletions(-)\n\n--\n2.39.5" }