Re: [PATCH v6 00/12] SVM cleanup and INVPCID feature support

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On Thu, Mar 11, 2021 at 02:57:04PM -0600, Babu Moger wrote:
>  It is related PCID and INVPCID combination. Few more details.
>  1. System comes up fine with "noinvpid". So, it happens when invpcid is
> enabled.

Which system, host or guest?

>  2. Host is coming up fine. Problem is with the guest.

Aha, guest.

>  3. Problem happens with Debian 9. Debian kernel version is 4.9.0-14.
>  4. Debian 10 is fine.
>  5. Upstream kernels are fine. Tried on v5.11 and it is working fine.
>  6. Git bisect pointed to commit 47811c66356d875e76a6ca637a9d384779a659bb.
> 
>  Let me know if want me to try something else.

Yes, I assume host has the patches which belong to this thread?

So please describe:

1. host has these patches, cmdline params, etc.
2. guest is a 4.9 kernel, cmdline params, etc.

Please be exact and specific so that I can properly reproduce.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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