Messages in this thread | | | Date | Wed, 27 Mar 2019 10:44:29 +0000 | From | Dave Martin <> | Subject | Re: [PATCH v7 9/10] KVM: arm64: docs: document KVM support of pointer authentication |
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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 <amit.kachhap@arm.com> > > Cc: Mark Rutland <mark.rutland@arm.com> > > Cc: Christoffer Dall <christoffer.dall@arm.com> > > Cc: Marc Zyngier <marc.zyngier@arm.com> > > Cc: kvmarm@lists.cs.columbia.edu > > 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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