linux-kernel - Re: [PATCH v1 00/13] kho: simplify state machine and enable dynamic updates

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CA+CK2bCgdz3Hv90axzuSThRtEF17oSj-RKHgVwu5rQ7TXcoKcQ@mail.gmail.com>
Date: Fri, 14 Nov 2025 11:46:12 -0500
From: Pasha Tatashin <pasha.tatashin@...een.com>
To: Mike Rapoport <rppt@...nel.org>
Cc: akpm@...ux-foundation.org, bhe@...hat.com, jasonmiu@...gle.com, 
	arnd@...db.de, coxu@...hat.com, dave@...ilevsky.ca, ebiggers@...gle.com, 
	graf@...zon.com, kees@...nel.org, linux-kernel@...r.kernel.org, 
	kexec@...ts.infradead.org, linux-mm@...ck.org
Subject: Re: [PATCH v1 00/13] kho: simplify state machine and enable dynamic updates

On Fri, Nov 14, 2025 at 11:17 AM Mike Rapoport <rppt@...nel.org> wrote:
>
> On Fri, Nov 14, 2025 at 10:53:45AM -0500, Pasha Tatashin wrote:
> >
> > This patch series refactors the Kexec Handover subsystem to transition
> > from a rigid, state-locked model to a dynamic, re-entrant architecture.
> > It also introduces usability improvements.
> >
> > Pasha Tatashin (13):
> >   kho: Fix misleading log message in kho_populate()
> >   kho: Convert __kho_abort() to return void
> >   kho: Preserve FDT folio only once during initialization
> >   kho: Verify deserialization status and fix FDT alignment access
> >   kho: Always expose output FDT in debugfs
> >   kho: Simplify serialization and remove __kho_abort
> >   kho: Remove global preserved_mem_map and store state in FDT
> >   kho: Remove abort functionality and support state refresh
> >   kho: Update FDT dynamically for subtree addition/removal
> >   kho: Allow kexec load before KHO finalization
> >   kho: Allow memory preservation state updates after finalization
> >   kho: Add Kconfig option to enable KHO by default
> >   kho: Introduce high-level memory allocation API
>
> For the series:
>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@...nel.org>
>
> with small nits in patches 9 and 13 in replies to them.

Thank you Mike! I will update the series, and post v2 shortly.

Pasha

>
> >
> >  include/linux/kexec_handover.h              |  22 +-
> >  kernel/liveupdate/Kconfig                   |  14 +
> >  kernel/liveupdate/kexec_handover.c          | 338 ++++++++++++--------
> >  kernel/liveupdate/kexec_handover_debugfs.c  |   2 +-
> >  kernel/liveupdate/kexec_handover_internal.h |   1 -
> >  5 files changed, 232 insertions(+), 145 deletions(-)
> >
> > --
> > 2.52.0.rc1.455.g30608eb744-goog
> >
>
> --
> Sincerely yours,
> Mike.