Re: [PATCH v6 19/64] KVM: arm64: nv: Trap SPSR_EL1, ELR_EL1 and VBAR_EL1 from virtual EL2
From: "Russell King (Oracle)" <linux@armlinux.org.uk>
Date: 2022-02-01 18:15:11
Also in:
kvm, kvmarm
On Fri, Jan 28, 2022 at 12:18:27PM +0000, Marc Zyngier wrote:
From: Jintack Lim <redacted> For the same reason we trap virtual memory register accesses at virtual EL2, we need to trap SPSR_EL1, ELR_EL1 and VBAR_EL1 accesses. ARM v8.3 introduces the HCR_EL2.NV1 bit to be able to trap on those register accesses in EL1. Do not set this bit until the whole nesting support is
Maybe:
, but will be done in a future patch once nested support
is complete.
completed. Signed-off-by: Jintack Lim <redacted> Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Russell King (Oracle) <redacted> -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last! _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel