Messages in this thread | | | Date | Wed, 02 Jun 2021 09:20:49 +0100 | From | Marc Zyngier <> | Subject | Re: [PATCH 04/18] arm64: kernel: add helper for booted at EL2 and not VHE |
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On Wed, 02 Jun 2021 02:33:52 +0100, Pavel Tatashin <pasha.tatashin@soleen.com> wrote: > > On Tue, Jun 1, 2021 at 8:38 AM Marc Zyngier <maz@kernel.org> wrote: > > > > On Thu, 27 May 2021 16:05:12 +0100, > > Pavel Tatashin <pasha.tatashin@soleen.com> wrote: > > > > > > Replace places that contain logic like this: > > > is_hyp_mode_available() && !is_kernel_in_hyp_mode() > > > > > > With a dedicated boolean function is_hyp_callable(). This will be needed > > > later in kexec in order to sooner switch back to EL2. > > > > This looks like the very definition of "run in nVHE mode", so I'd > > rather you call it like this, rather than "callable", which is > > extremely ambiguous (if running at EL2, I call it any time I want, for > > free). > > Hi Marc, > > Naming is hard.
News flash!
> Are you proposing s/is_hyp_callable/run_in_nvhe_mode/ ? This is also > not a very good name because it does not sound like a boolean, but > instead that we know that there is nvhe mode available and we can > switch to it.
No, what I suggest is "is_hyp_nvhe()", or something along those lines. It clearly identifies that we are in control of EL2, and which mode it is in.
M.
-- Without deviation from the norm, progress is not possible.
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