From: Pratyush Yadav <pratyush@kernel.org>
To: Pasha Tatashin <pasha.tatashin@soleen.com>
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Subject: Re: [PATCH v7 05/22] liveupdate: luo_core: add user interface
Date: Mon, 24 Nov 2025 16:11:54 +0100 [thread overview]
Message-ID: <mafs03463zcqt.fsf@kernel.org> (raw)
In-Reply-To: <20251122222351.1059049-6-pasha.tatashin@soleen.com> (Pasha Tatashin's message of "Sat, 22 Nov 2025 17:23:32 -0500")
On Sat, Nov 22 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:[~2025-11-24 15:12 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-22 22:23 [PATCH v7 00/22] Live Update Orchestrator Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 01/22] liveupdate: luo_core: " Pasha Tatashin
2025-11-23 11:12 ` Mike Rapoport
2025-11-23 12:15 ` Pasha Tatashin
2025-11-24 5:07 ` Mike Rapoport
2025-11-24 20:43 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 02/22] liveupdate: luo_core: integrate with KHO Pasha Tatashin
2025-11-23 11:27 ` Mike Rapoport
2025-11-23 12:03 ` Pasha Tatashin
2025-11-23 14:16 ` Mike Rapoport
2025-11-23 18:23 ` Pasha Tatashin
2025-11-25 13:08 ` Mike Rapoport
2025-11-25 13:59 ` Pasha Tatashin
2025-11-24 14:21 ` Pratyush Yadav
2025-11-25 16:09 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 03/22] kexec: call liveupdate_reboot() before kexec Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 04/22] liveupdate: luo_session: add sessions support Pasha Tatashin
2025-11-23 14:16 ` Mike Rapoport
2025-11-23 19:07 ` Pasha Tatashin
2025-11-24 14:57 ` Pratyush Yadav
2025-11-22 22:23 ` [PATCH v7 05/22] liveupdate: luo_core: add user interface Pasha Tatashin
2025-11-23 14:19 ` Mike Rapoport
2025-11-23 19:25 ` Pasha Tatashin
2025-11-24 15:11 ` Pratyush Yadav [this message]
2025-11-22 22:23 ` [PATCH v7 06/22] liveupdate: luo_file: implement file systems callbacks Pasha Tatashin
2025-11-24 8:18 ` Mike Rapoport
2025-11-25 15:13 ` Pasha Tatashin
2025-11-24 15:44 ` Pratyush Yadav
2025-11-24 15:47 ` Pratyush Yadav
2025-11-25 15:17 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 07/22] liveupdate: luo_session: Add ioctls for file preservation Pasha Tatashin
2025-11-24 5:20 ` Mike Rapoport
2025-11-22 22:23 ` [PATCH v7 08/22] docs: add luo documentation Pasha Tatashin
2025-11-23 16:05 ` Mike Rapoport
2025-11-23 19:29 ` Pasha Tatashin
2025-11-24 15:49 ` Pratyush Yadav
2025-11-22 22:23 ` [PATCH v7 09/22] MAINTAINERS: add liveupdate entry Pasha Tatashin
2025-11-23 15:29 ` Mike Rapoport
2025-11-24 15:18 ` Pratyush Yadav
2025-11-22 22:23 ` [PATCH v7 10/22] mm: shmem: use SHMEM_F_* flags instead of VM_* flags Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 11/22] mm: shmem: allow freezing inode mapping Pasha Tatashin
2025-11-23 15:29 ` Mike Rapoport
2025-11-23 19:43 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 12/22] mm: shmem: export some functions to internal.h Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 13/22] liveupdate: luo_file: add private argument to store runtime state Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 14/22] mm: memfd_luo: allow preserving memfd Pasha Tatashin
2025-11-23 15:47 ` Mike Rapoport
2025-11-24 3:13 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 15/22] docs: add documentation for memfd preservation via LUO Pasha Tatashin
2025-11-23 16:07 ` Mike Rapoport
2025-11-22 22:23 ` [PATCH v7 16/22] selftests/liveupdate: Add userspace API selftests Pasha Tatashin
2025-11-24 5:24 ` Mike Rapoport
2025-11-24 15:56 ` Pratyush Yadav
2025-11-22 22:23 ` [PATCH v7 17/22] selftests/liveupdate: Add kexec-based selftest for Pasha Tatashin
2025-11-24 5:29 ` Mike Rapoport
2025-11-22 22:23 ` [PATCH v7 18/22] selftests/liveupdate: Add kexec test for multiple and empty sessions Pasha Tatashin
2025-11-24 5:30 ` Mike Rapoport
2025-11-22 22:23 ` [PATCH v7 19/22] selftests/liveupdate: add test infrastructure and scripts Pasha Tatashin
2025-11-24 7:54 ` Mike Rapoport
2025-11-25 18:42 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 20/22] liveupdate: luo_file: Add internal APIs for file preservation Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 21/22] liveupdate: luo_flb: Introduce File-Lifecycle-Bound global state Pasha Tatashin
2025-11-24 23:45 ` David Matlack
2025-11-25 17:10 ` Pasha Tatashin
2025-11-22 22:23 ` [PATCH v7 22/22] tests/liveupdate: Add in-kernel liveupdate test Pasha Tatashin
2025-11-22 22:44 ` [PATCH v7 00/22] Live Update Orchestrator Andrew Morton
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