On Mon, 25 Mar 2024 09:50:50 +0800 Baoquan He <bhe@xxxxxxxxxx> wrote:
> There are regression reports[1][2] that crashkernel region on x86_64 can't
> be added into iomem tree sometime. This causes the later failure of kdump
> loading.
So I think a cc:stable is needed.
> This happened after commit 4a693ce65b18 ("kdump: defer the insertion of
> crashkernel resources") was merged.
>
> Even though, these reported issues are proved to be related to other
> component, they are just exposed after above commmit applied, I still
> would like to keep crashk_res and crashk_low_res being added into iomem
> early as before because the early adding has been always there on x86_64
> and working very well. For safety of kdump, Let's change it back.
I'll use 4a693ce65b18 as the Fixes: target, since there is no
"Exposed-by-non-buggy-patch:" tag. To tell the -stable tree
maintainers how far back in history this should be backported.
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