linux-kernel - Re: [PATCH v4 4/4] lib/test_kho: use kho_preserve_vmalloc instead of storing addresses in fdt

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Message-ID: <mafs0wm5wf3or.fsf@kernel.org>
Date: Thu, 18 Sep 2025 12:36:04 +0200
From: Pratyush Yadav <pratyush@...nel.org>
To: Mike Rapoport <rppt@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,  Alexander Graf
 <graf@...zon.com>,  Baoquan He <bhe@...hat.com>,  Changyuan Lyu
 <changyuanl@...gle.com>,  Chris Li <chrisl@...nel.org>,  Jason Gunthorpe
 <jgg@...dia.com>,  Pasha Tatashin <pasha.tatashin@...een.com>,  Pratyush
 Yadav <pratyush@...nel.org>,  kexec@...ts.infradead.org,
  linux-mm@...ck.org,  linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/4] lib/test_kho: use kho_preserve_vmalloc instead
 of storing addresses in fdt

On Wed, Sep 17 2025, Mike Rapoport wrote:

> From: "Mike Rapoport (Microsoft)" <rppt@...nel.org>
>
> KHO test stores physical addresses of the preserved folios directly in
> fdt.
> Use kho_preserve_vmalloc() instead of it and kho_restore_vmalloc() to
> retrieve the addresses after kexec.
>
> This makes the test more scalable from one side and adds tests coverage
> for kho_preserve_vmalloc() from the other.
>
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@...nel.org>

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

[...]

-- 
Regards,
Pratyush Yadav