Messages in this thread | | | Date | Mon, 1 Oct 2018 13:05:21 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v6 04/18] arm64: Add a helper for PARange to physical shift conversion |
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On Wed, Sep 26, 2018 at 05:32:40PM +0100, Suzuki K. Poulose wrote: > On arm64, ID_AA64MMFR0_EL1.PARange encodes the maximum Physical > Address range supported by the CPU. Add a helper to decode this > to actual physical shift. If we hit an unallocated value, return > the maximum range supported by the kernel. > This will be used by KVM to set the VTCR_EL2.T0SZ, as it > is about to move its place. Having this helper keeps the code > movement cleaner. > > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Marc Zyngier <marc.zyngier@arm.com> > Cc: James Morse <james.morse@arm.com> > Cc: Christoffer Dall <cdall@kernel.org> > Reviewed-by: Eric Auger <eric.auger@redhat.com> > Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
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