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author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2018-09-26 17:32:48 +0100 |
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committer | Marc Zyngier <marc.zyngier@arm.com> | 2018-10-01 13:50:31 +0100 |
commit | 7e8130456e067f49693fdcc25b5ba242a9c5568b (patch) | |
tree | 7dc763c8deee5e752f3bc9be0f993e1c49138abd /virt | |
parent | 595583306434caafac4a71102dca5a8d32d1a769 (diff) | |
download | linux-7e8130456e067f49693fdcc25b5ba242a9c5568b.tar.bz2 |
kvm: arm64: Configure VTCR_EL2.SL0 per VM
VTCR_EL2 holds the following key stage2 translation table
parameters:
SL0 - Entry level in the page table lookup.
T0SZ - Denotes the size of the memory addressed by the table.
We have been using fixed values for the SL0 depending on the
page size as we have a fixed IPA size. But since we are about
to make it dynamic, we need to calculate the SL0 at runtime
per VM. This patch adds a helper to compute the value of SL0
for a VM based on the IPA size.
Cc: Marc Zyngier <marc.zyngier@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>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'virt')
0 files changed, 0 insertions, 0 deletions