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KVM: arm64: Introduce handling of AArch32 TTBCR2 traps
authorMarc Zyngier <maz@kernel.org>
Tue, 10 Nov 2020 11:10:15 +0000 (11:10 +0000)
committerMarc Zyngier <maz@kernel.org>
Tue, 10 Nov 2020 11:22:50 +0000 (11:22 +0000)
commitca4e514774930f30b66375a974b5edcbebaf0e7e
tree02ff3f9026bc00830033743d187338c9806e72d9tree | snapshot
parent90c1f934ed7141a6d4c202936d12faaeb405fb66commit | diff
KVM: arm64: Introduce handling of AArch32 TTBCR2 traps

ARMv8.2 introduced TTBCR2, which shares TCR_EL1 with TTBCR.
Gracefully handle traps to this register when HCR_EL2.TVM is set.

Cc: stable@vger.kernel.org
Reported-by: James Morse <james.morse@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
arch/arm64/include/asm/kvm_host.h diff | blob | history
arch/arm64/kvm/sys_regs.c diff | blob | history
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