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SubjectRe: [PATCH v2] x86/mce: fix wrong no-return-ip logic in do_machine_check()
On Mon, Feb 22, 2021 at 08:35:49PM +0800, Aili Yao wrote:
> Guest VM, the qemu has no way to know the RIPV value, so always get it
> cleared.

What does that mean?

The guest VM will get the MCE signature it gets from the host kernel so
the host kernel most definitely knows the RIPV value.

It looks like you're testing how guests will handle MCEs which the host
has caught and wants to inject into the guest for further handling. What
is your exact use case? Please explain in detail how I can reproduce it
step-by-step locally.



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