On Mon, Mar 25, 2019 at 08:05:49PM +0000, Kristina Martsenko wrote:
> On 19/03/2019 08:30, Amit Daniel Kachhap wrote:
> > This adds sections for KVM API extension for pointer authentication.
> > A brief description about usage of pointer authentication for KVM guests
> > is added in the arm64 documentations.
> >
> > Signed-off-by: Amit Daniel Kachhap <[email protected]>
> > Cc: Mark Rutland <[email protected]>
> > Cc: Christoffer Dall <[email protected]>
> > Cc: Marc Zyngier <[email protected]>
> > Cc: [email protected]
>
> I think it makes sense to also update the Kconfig symbol description for
> CONFIG_ARM64_PTR_AUTH, since it currently only mentions userspace
> support, but now the option also enables KVM guest support.
>
> It's also worth mentioning that CONFIG_ARM64_VHE=y is required for guest
> support.
Is it worth making this dependency explicit in Kconfig?
For SVE, I have
config ARM64_SVE
depends on !KVM || ARM64_VHE
to implement this.
Cheers
---Dave
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