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| author | Will Deacon <will@kernel.org> | 2022-11-10 20:02:59 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2022-11-11 18:19:35 +0100 |
| commit | be66e67f175096f283c9d5614c4991fc9e7ed975 (patch) | |
| tree | fa477573896bc6eb967252485754a38dc695c8fc /arch/arm64/include | |
| parent | KVM: arm64: Don't unnecessarily map host kernel sections at EL2 (diff) | |
| download | linux-be66e67f175096f283c9d5614c4991fc9e7ed975.tar.xz linux-be66e67f175096f283c9d5614c4991fc9e7ed975.zip | |
KVM: arm64: Use the pKVM hyp vCPU structure in handle___kvm_vcpu_run()
As a stepping stone towards deprivileging the host's access to the
guest's vCPU structures, introduce some naive flush/sync routines to
copy most of the host vCPU into the hyp vCPU on vCPU run and back
again on return to EL1.
This allows us to run using the pKVM hyp structures when KVM is
initialised in protected mode.
Tested-by: Vincent Donnefort <vdonnefort@google.com>
Co-developed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221110190259.26861-27-will@kernel.org
Diffstat (limited to 'arch/arm64/include')
0 files changed, 0 insertions, 0 deletions