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(parent: e0dad9a) | patch
KVM: arm64: Introduce handling of AArch32 TTBCR2 traps
authorMarc Zyngier <maz@kernel.org>
Tue, 10 Nov 2020 11:10:15 +0000 (11:10 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 30 Dec 2020 10:54:14 +0000 (11:54 +0100)
commite365b97a1576e2bb268664585533c1671e2f0709
treeac4668f8d01299d2766a82ed4e498c7dd96aa2eatree | snapshot
parente0dad9a78c853e0b636cc6acae88b2faed6d2fa5commit | diff
KVM: arm64: Introduce handling of AArch32 TTBCR2 traps

commit ca4e514774930f30b66375a974b5edcbebaf0e7e upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/include/asm/kvm_host.h diff | blob | history
arch/arm64/kvm/sys_regs.c diff | blob | history
Domain: System / Kernel;