[PATCH v6 15/64] KVM: arm64: nv: Handle HCR_EL2.E2H specially

[Russell King (Oracle)]

On Fri, Jan 28, 2022 at 12:18:23PM +0000, Marc Zyngier wrote:
> HCR_EL2.E2H is nasty, as a flip of this bit completely changes the way
> we deal with a lot of the state. So when the guest flips this bit
> (sysregs are live), do the put/load dance so that we have a consistent
> state.
> 
> Yes, this is slow. Don't do it.

I'd hope this is very unlikely!

> 
> Suggested-by: Alexandru Elisei <alexandru.elisei at arm.com>
> Signed-off-by: Marc Zyngier <maz at kernel.org>

Reviewed-by: Russell King (Oracle) <rmk+kernel at armlinux.org.uk>

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