From: Pratyush Yadav <pratyush@kernel.org>
To: Pasha Tatashin <pasha.tatashin@soleen.com>
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Subject: Re: [PATCH v6 05/20] liveupdate: luo_ioctl: add user interface
Date: Fri, 21 Nov 2025 17:45:19 +0100 [thread overview]
Message-ID: <mafs01plr1gio.fsf@kernel.org> (raw)
In-Reply-To: <20251115233409.768044-6-pasha.tatashin@soleen.com> (Pasha Tatashin's message of "Sat, 15 Nov 2025 18:33:51 -0500")
On Sat, Nov 15 2025, Pasha Tatashin wrote:
> Introduce the user-space interface for the Live Update Orchestrator
> via ioctl commands, enabling external control over the live update
> process and management of preserved resources.
>
> The idea is that there is going to be a single userspace agent driving
> the live update, therefore, only a single process can ever hold this
> device opened at a time.
>
> The following ioctl commands are introduced:
>
> LIVEUPDATE_IOCTL_CREATE_SESSION
> Provides a way for userspace to create a named session for grouping file
> descriptors that need to be preserved. It returns a new file descriptor
> representing the session.
>
> LIVEUPDATE_IOCTL_RETRIEVE_SESSION
> Allows the userspace agent in the new kernel to reclaim a preserved
> session by its name, receiving a new file descriptor to manage the
> restored resources.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2025-11-21 16:45 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-15 23:33 [PATCH v6 00/20] Live Update Orchestrator Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 01/20] liveupdate: luo_core: luo_ioctl: " Pasha Tatashin
2025-11-17 2:54 ` Andrew Morton
2025-11-17 14:27 ` Pasha Tatashin
2025-11-18 15:45 ` Pratyush Yadav
2025-11-18 16:11 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 02/20] liveupdate: luo_core: integrate with KHO Pasha Tatashin
2025-11-16 12:43 ` Mike Rapoport
2025-11-16 14:55 ` Pasha Tatashin
2025-11-16 19:16 ` Mike Rapoport
2025-11-17 18:29 ` Pasha Tatashin
2025-11-17 21:05 ` Mike Rapoport
2025-11-18 4:22 ` Pasha Tatashin
2025-11-18 11:21 ` Mike Rapoport
2025-11-18 14:03 ` Jason Gunthorpe
2025-11-18 15:06 ` Mike Rapoport
2025-11-18 15:18 ` Pasha Tatashin
2025-11-18 15:36 ` Jason Gunthorpe
2025-11-18 15:46 ` Pasha Tatashin
2025-11-18 16:15 ` Jason Gunthorpe
2025-11-18 22:07 ` Pasha Tatashin
2025-11-18 23:25 ` Jason Gunthorpe
2025-11-19 3:03 ` Pasha Tatashin
2025-11-24 19:08 ` Jason Gunthorpe
2025-11-15 23:33 ` [PATCH v6 03/20] kexec: call liveupdate_reboot() before kexec Pasha Tatashin
2025-11-16 12:44 ` Mike Rapoport
2025-11-21 15:55 ` Pratyush Yadav
2025-11-15 23:33 ` [PATCH v6 04/20] liveupdate: luo_session: add sessions support Pasha Tatashin
2025-11-16 17:05 ` Mike Rapoport
2025-11-17 15:09 ` Pasha Tatashin
2025-11-17 21:11 ` Mike Rapoport
2025-11-18 4:28 ` Pasha Tatashin
2025-11-21 16:32 ` Pratyush Yadav
2025-11-21 21:30 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 05/20] liveupdate: luo_ioctl: add user interface Pasha Tatashin
2025-11-16 17:15 ` Mike Rapoport
2025-11-17 14:22 ` Pasha Tatashin
2025-11-20 18:37 ` David Matlack
2025-11-20 19:22 ` Pasha Tatashin
2025-11-20 19:42 ` David Matlack
2025-11-20 20:13 ` Pasha Tatashin
2025-11-21 16:45 ` Pratyush Yadav [this message]
2025-11-15 23:33 ` [PATCH v6 06/20] liveupdate: luo_file: implement file systems callbacks Pasha Tatashin
2025-11-16 18:15 ` Mike Rapoport
2025-11-17 17:50 ` Pasha Tatashin
2025-11-20 17:20 ` Mike Rapoport
2025-11-20 20:25 ` Pasha Tatashin
2025-11-18 17:38 ` David Matlack
2025-11-18 17:43 ` Pratyush Yadav
2025-11-18 17:58 ` Pasha Tatashin
2025-11-18 18:17 ` Pratyush Yadav
2025-11-18 19:09 ` Jason Gunthorpe
2025-11-18 19:31 ` Pasha Tatashin
2025-11-21 17:24 ` Pratyush Yadav
2025-11-15 23:33 ` [PATCH v6 07/20] liveupdate: luo_session: Add ioctls for file preservation Pasha Tatashin
2025-11-16 18:25 ` Mike Rapoport
2025-11-18 2:58 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 08/20] liveupdate: luo_flb: Introduce File-Lifecycle-Bound global state Pasha Tatashin
2025-11-17 9:39 ` Mike Rapoport
2025-11-18 3:54 ` Pasha Tatashin
2025-11-18 11:28 ` Mike Rapoport
2025-11-18 15:37 ` Pasha Tatashin
2025-11-20 18:50 ` Mike Rapoport
2025-11-20 19:10 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 09/20] docs: add luo documentation Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 10/20] MAINTAINERS: add liveupdate entry Pasha Tatashin
2025-11-17 9:40 ` Mike Rapoport
2025-11-17 18:20 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 11/20] mm: shmem: use SHMEM_F_* flags instead of VM_* flags Pasha Tatashin
2025-11-17 9:48 ` Mike Rapoport
2025-11-17 18:25 ` Pasha Tatashin
2025-11-15 23:33 ` [PATCH v6 12/20] mm: shmem: allow freezing inode mapping Pasha Tatashin
2025-11-17 10:08 ` Mike Rapoport
2025-11-18 4:13 ` Pasha Tatashin
2025-11-24 15:06 ` Pratyush Yadav
2025-11-15 23:33 ` [PATCH v6 13/20] mm: shmem: export some functions to internal.h Pasha Tatashin
2025-11-17 10:14 ` Mike Rapoport
2025-11-17 18:43 ` Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 14/20] liveupdate: luo_file: add private argument to store runtime state Pasha Tatashin
2025-11-17 10:15 ` Mike Rapoport
2025-11-17 18:45 ` Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 15/20] mm: memfd_luo: allow preserving memfd Pasha Tatashin
2025-11-17 11:03 ` Mike Rapoport
2025-11-19 21:56 ` Pasha Tatashin
2025-11-20 15:34 ` Pratyush Yadav
2025-11-15 23:34 ` [PATCH v6 16/20] docs: add documentation for memfd preservation via LUO Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 17/20] selftests/liveupdate: Add userspace API selftests Pasha Tatashin
2025-11-17 19:38 ` David Matlack
2025-11-17 20:16 ` Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 18/20] selftests/liveupdate: Add kexec-based selftest for session lifecycle Pasha Tatashin
2025-11-16 18:53 ` Zhu Yanjun
2025-11-17 18:23 ` Pasha Tatashin
2025-11-17 19:27 ` David Matlack
2025-11-17 20:08 ` David Matlack
2025-11-17 21:06 ` David Matlack
2025-11-18 1:01 ` Pasha Tatashin
2025-11-18 0:06 ` David Matlack
2025-11-18 1:08 ` Pasha Tatashin
2025-11-19 21:20 ` David Matlack
2025-11-19 22:12 ` Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 19/20] selftests/liveupdate: Add kexec test for multiple and empty sessions Pasha Tatashin
2025-11-15 23:34 ` [PATCH v6 20/20] tests/liveupdate: Add in-kernel liveupdate test Pasha Tatashin
2025-11-17 11:13 ` Mike Rapoport
2025-11-17 19:00 ` Pasha Tatashin
2025-11-18 11:30 ` Mike Rapoport
2025-11-18 18:56 ` Pasha Tatashin
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