{"id":2220568,"url":"http://patchwork.ozlabs.org/api/1.2/covers/2220568/?format=json","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=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":"","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=json","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=json","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 ","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"}