Re: [PATCH 4/7] x86/kexec: Disable kexec/kdump on platforms with TDX partial write erratum

[Jürgen Groß]

On 08.10.25 17:40, Dave Hansen wrote:
> On 10/7/25 06:31, Jürgen Groß wrote:>
> > If we can't come to an agreement that kdump should be allowed in
> > spite of a potential #MC, maybe we could disable kdump only if TDX
> > guests have been active on the machine before?
>
> How would we determine that?
>
> We can't just call the TDX module to see because it might have been
> running before but got shut down.

Ah, okay, I didn't think of that.

Then we could add a kernel boot parameter to let the user opt-in for kexec
being possible in spite of the potential #MC. I think this should cover it.


Juergen

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