Re: [PATCH 3/3] x86/sev: The code for returning to user space is also in syscall gap

From: Borislav Petkov
Date: Fri Dec 17 2021 - 05:30:24 EST


On Fri, Dec 17, 2021 at 11:05:57AM +0100, Joerg Roedel wrote:
> While it is true that the exit path can't trigger #VC right now, it will
> be able with SNP.

How?

I audited the handful instructions in there and didn't find anything
that would cause a #VC...

--
Regards/Gruss,
Boris.

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