linux-kernel - Re: [PATCH v7 04/22] liveupdate: luo

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Message-ID: <mafs0ecpnzdee.fsf@kernel.org>
Date: Mon, 24 Nov 2025 15:57:45 +0100
From: Pratyush Yadav <pratyush@...nel.org>
To: Pasha Tatashin <pasha.tatashin@...een.com>
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Subject: Re: [PATCH v7 04/22] liveupdate: luo_session: add sessions support

On Sat, Nov 22 2025, Pasha Tatashin wrote:

> Introduce concept of "Live Update Sessions" within the LUO framework.
> LUO sessions provide a mechanism to group and manage `struct file *`
> instances (representing file descriptors) that need to be preserved
> across a kexec-based live update.
>
> Each session is identified by a unique name and acts as a container
> for file objects whose state is critical to a userspace workload, such
> as a virtual machine or a high-performance database, aiming to maintain
> their functionality across a kernel transition.
>
> This groundwork establishes the framework for preserving file-backed
> state across kernel updates, with the actual file data preservation
> mechanisms to be implemented in subsequent patches.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@...een.com>

With Mike's comments addressed,

Reviewed-by: Pratyush Yadav <pratyush@...nel.org>

[...]

-- 
Regards,
Pratyush Yadav