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{ "id": 2220568, "url": "http://patchwork.ozlabs.org/api/1.2/covers/2220568/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1775569027.git.ritesh.list@gmail.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/1.2/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.1775569027.git.ritesh.list@gmail.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/cover.1775569027.git.ritesh.list@gmail.com/", "date": "2026-04-07T14:31:34", "name": "[RFC,v1,0/6] pseries/papr-hvpipe: Fix and simplify papr-hvpipe", "submitter": { "id": 79126, "url": "http://patchwork.ozlabs.org/api/1.2/people/79126/?format=api", "name": "Ritesh Harjani (IBM)", "email": "ritesh.list@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/cover/cover.1775569027.git.ritesh.list@gmail.com/mbox/", "series": [ { "id": 498988, "url": "http://patchwork.ozlabs.org/api/1.2/series/498988/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=498988", "date": "2026-04-07T14:31:34", "name": "pseries/papr-hvpipe: Fix and simplify papr-hvpipe", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498988/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2220568/comments/", "headers": { "Return-Path": "\n <linuxppc-dev+bounces-19435-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=PomQC8e1;\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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While reviewing that and\ngoing over papr-hvpipe code, I found couple of more issues around the usage of\ncopy_to_user() and few refactoring which simplifies the code.\n\nThis patch series is an attempt to that. Note that this is only compile tested\non pseries for now.\n\nHaren, I will kindly need your help in verifying this please. Let me know if we\nhave a selftests or any other test framework for this, which I can utilize too.\n\n[1]: https://lore.kernel.org/linuxppc-dev/20260317040444.2785741-1-haren@linux.ibm.com/\n\n\nRitesh Harjani (IBM) (6):\n pseries/papr-hvpipe: Fix null ptr deref in papr_hvpipe_dev_create_handle\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: Simplify error handling in papr_hvpipe_init()\n\n arch/powerpc/platforms/pseries/papr-hvpipe.c | 135 +++++++++----------\n arch/powerpc/platforms/pseries/papr-hvpipe.h | 1 -\n 2 files changed, 66 insertions(+), 70 deletions(-)\n\n--\n2.39.5" }