From: Pratyush Yadav <pratyush@kernel.org>
To: Michal Clapinski <mclapinski@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Baoquan He <bhe@redhat.com>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Mike Rapoport <rppt@kernel.org>,
Pratyush Yadav <pratyush@kernel.org>,
kexec@lists.infradead.org
Subject: Re: [PATCH] kho: try to allocate contiguous memory for kexec segments
Date: Tue, 02 Jun 2026 18:58:52 +0200 [thread overview]
Message-ID: <2vxz4ijkev5f.fsf@kernel.org> (raw)
In-Reply-To: <20260601193014.896405-1-mclapinski@google.com> (Michal Clapinski's message of "Mon, 1 Jun 2026 21:30:14 +0200")
On Mon, Jun 01 2026, Michal Clapinski wrote:
> This allows us to skip relocations (and maybe checksum calculation
> in the future).
I'm confused. Doesn't your patch "kexec_file: skip checksum verification
when safe" [0] skip the checksum for KHO already? So this only skips the
relocations part then?
And based on the discussion on that thread, relocations don't seem to
take much time. So is there a real need for this patch?
[0] https://lore.kernel.org/kexec/20260602123311.1841746-1-mclapinski@google.com/
>
> kho_scratch is marked as MIGRATE_CMA but isn't actually given to the
> CMA, so it should only contain movable allocations, therefore this
> should always succeed.
>
> Signed-off-by: Michal Clapinski <mclapinski@google.com>
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2026-06-02 16:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-01 19:30 [PATCH] kho: try to allocate contiguous memory for kexec segments Michal Clapinski
2026-06-01 19:52 ` Michał Cłapiński
2026-06-02 16:58 ` Pratyush Yadav [this message]
2026-06-02 17:08 ` Michał Cłapiński
2026-06-02 17:09 ` Pratyush Yadav
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