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SubjectRe: [RESEND PATCH v2 3/4] x86/umip: Identify the str and sldt instructions

* Ricardo Neri <> wrote:

> The instructions STR and SLDT are not emulated in any case. Thus, it made
> sense to not implement functionality to identify them. However, a
> subsequent commit will introduce functionality to warn about the use of
> all the instructions that UMIP protect, not only those that are emulated.
> A first step for that is the ability to identify them.
> Plus, now that STR and SLDT are identified, we need to explicitly avoid
> their emulation (i.e., not rely on unsuccessful identification). Group
> togehter all the cases that we do not want to emulate: STR, SLDT and user
> long mode processes.
> Cc: Andy Lutomirski <>
> Cc: H. Peter Anvin <>
> Cc: Borislav Petkov <>
> Cc: Tony Luck <>
> Cc: Paolo Bonzini <>
> Cc: Ravi V. Shankar <>
> Cc:
> Signed-off-by: Ricardo Neri <>

Sigh, the _title_ still refers to 'str'...

I'll fix it up, no need to resend, but this lack of attention to details is
seriously sad.



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