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| author | Marc Zyngier <[email protected]> | 2017-02-17 14:32:18 +0000 |
|---|---|---|
| committer | Marc Zyngier <[email protected]> | 2017-03-06 10:28:24 +0000 |
| commit | 68925176296a8b995e503349200e256674bfe5ac (patch) | |
| tree | 8a4bc475b085466081d3fbe2f0ab9a4109dabd66 /drivers/fpga/fpga-region.c | |
| parent | Linux 4.11-rc1 (diff) | |
| download | kernel-68925176296a8b995e503349200e256674bfe5ac.tar.gz kernel-68925176296a8b995e503349200e256674bfe5ac.zip | |
arm64: KVM: VHE: Clear HCR_TGE when invalidating guest TLBs
When invalidating guest TLBs, special care must be taken to
actually shoot the guest TLBs and not the host ones if we're
running on a VHE system. This is controlled by the HCR_EL2.TGE
bit, which we forget to clear before invalidating TLBs.
Address the issue by introducing two wrappers (__tlb_switch_to_guest
and __tlb_switch_to_host) that take care of both the VTTBR_EL2
and HCR_EL2.TGE switching.
Reported-by: Tomasz Nowicki <[email protected]>
Tested-by: Tomasz Nowicki <[email protected]>
Reviewed-by: Christoffer Dall <[email protected]>
Cc: [email protected]
Signed-off-by: Marc Zyngier <[email protected]>
Diffstat (limited to 'drivers/fpga/fpga-region.c')
0 files changed, 0 insertions, 0 deletions