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authorMarc Zyngier <maz@kernel.org>2024-06-14 17:45:44 +0300
committerOliver Upton <oliver.upton@linux.dev>2024-06-19 11:14:37 +0300
commite6c9a3015ff21a76ef8ccab54568f5fe630e6e3a (patch)
tree2c4e05855fce63d5e6dd8c64aab7749605d03666 /tools/perf/scripts/python/exported-sql-viewer.py
parent8e236efa4cd2df8b270784a33d7e334933789f1a (diff)
downloadlinux-e6c9a3015ff21a76ef8ccab54568f5fe630e6e3a.tar.xz
KVM: arm64: nv: Handle TLBI VMALLS12E1{,IS} operations
Emulating TLBI VMALLS12E1* results in tearing down all the shadow S2 PTs that match the current VMID, since our shadow S2s are just some form of SW-managed TLBs. That teardown itself results in a full TLB invalidation for both S1 and S2. This can result in over-invalidation if two vcpus use the same VMID to tag private S2 PTs, but this is still correct from an architecture perspective. Co-developed-by: Jintack Lim <jintack.lim@linaro.org> Co-developed-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Jintack Lim <jintack.lim@linaro.org> Signed-off-by: Christoffer Dall <christoffer.dall@arm.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20240614144552.2773592-9-maz@kernel.org Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
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