Re: [PATCH v4 00/14] kexec: introduce Kexec HandOver (KHO)

From: Mike Rapoport
Date: Fri Feb 07 2025 - 03:10:11 EST


On Thu, Feb 06, 2025 at 04:29:39PM -0800, Andrew Morton wrote:
> On Thu, 6 Feb 2025 15:27:40 +0200 Mike Rapoport <rppt@xxxxxxxxxx> wrote:
>
> > This a next version of Alex's "kexec: Allow preservation of ftrace buffers"
> > series (https://lore.kernel.org/all/20240117144704.602-1-graf@xxxxxxxxxx),
> > just to make things simpler instead of ftrace we decided to preserve
> > "reserve_mem" regions.
> >
> > The patches are also available in git:
> > https://git.kernel.org/rppt/h/kho/v4
> >
> >
> > Kexec today considers itself purely a boot loader: When we enter the new
> > kernel, any state the previous kernel left behind is irrelevant and the
> > new kernel reinitializes the system.
>
> I tossed this into mm.git for some testing and exposure.
>
> What merge path are you anticipating?

I think your tree is the most appropriate, but let's wait for Acks from x86
and arm64 people ;-)

> Review activity seems pretty thin thus far?

Yeah :(
Maybe with Pasha's version on top of that we'll have more people reviewing.

And here is another fixup for a sparse error kbuild reported: