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| author | Marc Zyngier <maz@kernel.org> | 2020-07-13 15:15:14 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-10-01 09:53:45 +0100 |
| commit | 452d62227958e149e5c7b0084a559c0957c3ff2a (patch) | |
| tree | 5f28be95ed0a4f5cebf3237ed5d33be3d4902d14 /drivers/net | |
| parent | 620cf45f7a516bf5fe9e5dce675a652e935c8bde (diff) | |
KVM: arm64: Restore missing ISB on nVHE __tlb_switch_to_guest
Commit a0e50aa3f4a8 ("KVM: arm64: Factor out stage 2 page table
data from struct kvm") dropped the ISB after __load_guest_stage2(),
only leaving the one that is required when the speculative AT
workaround is in effect.
As Andrew points it: "This alternative is 'backwards' to avoid a
double ISB as there is one in __load_guest_stage2 when the workaround
is active."
Restore the missing ISB, conditionned on the AT workaround not being
active.
Fixes: a0e50aa3f4a8 ("KVM: arm64: Factor out stage 2 page table data from struct kvm")
Reported-by: Andrew Scull <ascull@google.com>
Reported-by: Thomas Tai <thomas.tai@oracle.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'drivers/net')
0 files changed, 0 insertions, 0 deletions