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KVM: arm64: Check advertised Stage-2 page size capability
authorMarc Zyngier <maz@kernel.org>
Thu, 28 May 2020 13:12:58 +0000 (14:12 +0100)
committerWill Deacon <will@kernel.org>
Thu, 28 May 2020 16:28:51 +0000 (17:28 +0100)
commit3137e245438cccc6e8598b6aba40649fff2bba9a
tree1b8fe6121507b29c40563f86927dd74784218313tree | snapshot
parentd49b39c7959e251196822bc89504e7a68a6dc65acommit | diff
KVM: arm64: Check advertised Stage-2 page size capability

With ARMv8.5-GTG, the hardware (or more likely a hypervisor) can
advertise the supported Stage-2 page sizes.

Let's check this at boot time.

Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/include/asm/kvm_host.h diff | blob | history
arch/arm64/include/asm/sysreg.h diff | blob | history
arch/arm64/kernel/cpufeature.c diff | blob | history
arch/arm64/kvm/reset.c diff | blob | history
virt/kvm/arm/arm.c diff | blob | history
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