Messages in this thread | | | Date | Mon, 25 Jan 2021 12:13:16 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v5 04/21] arm64: Provide an 'upgrade to VHE' stub hypercall |
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On Mon, Jan 25, 2021 at 10:50:02AM +0000, Marc Zyngier wrote: > As we are about to change the way a VHE system boots, let's > provide the core helper, in the form of a stub hypercall that > enables VHE and replicates the full EL1 context at EL2, thanks > to EL1 and VHE-EL2 being extremely similar. > > On exception return, the kernel carries on at EL2. Fancy! > > Nothing calls this new hypercall yet, so no functional change. > > Signed-off-by: Marc Zyngier <maz@kernel.org> > Acked-by: David Brazdil <dbrazdil@google.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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