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| author |   Will Deacon <will@kernel.org> | 2022-11-10 19:02:49 +0000 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2022-11-11 17:16:25 +0000 |
| commit | 13e248aab73d2f1c27b458ef09d38b44f3e5bf2e (patch) | |
| tree | da275c629f01a981393b47720ad00a491757240d /scripts/lib/kdoc/kdoc_files.py | |
| parent | KVM: arm64: Initialise hypervisor copies of host symbols unconditionally (diff) | |
| download | wireguard-linux-13e248aab73d2f1c27b458ef09d38b44f3e5bf2e.tar.xz wireguard-linux-13e248aab73d2f1c27b458ef09d38b44f3e5bf2e.zip | |
KVM: arm64: Provide I-cache invalidation by virtual address at EL2
In preparation for handling cache maintenance of guest pages from within
the pKVM hypervisor at EL2, introduce an EL2 copy of icache_inval_pou()
which will later be plumbed into the stage-2 page-table cache
maintenance callbacks, ensuring that the initial contents of pages
mapped as executable into the guest stage-2 page-table is visible to the
instruction fetcher.
Tested-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221110190259.26861-17-will@kernel.org
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
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