Commit 1fab657c authored by Marc Zyngier's avatar Marc Zyngier Committed by Oliver Upton
Browse files

KVM: arm64: Make ID_AA64PFR0_EL1.RAS writable 



Make ID_AA64PFR0_EL1.RAS writable so that we can restore a VM from
a system without RAS to a RAS-equipped machine (or disable RAS
in the guest).

Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarCornelia Huck <cohuck@redhat.com>
Link: https://lore.kernel.org/r/20250817202158.395078-5-maz@kernel.org


Signed-off-by: default avatarOliver Upton <oliver.upton@linux.dev>
parent 9049fb12

arch/arm64/kvm/sys_regs.c

+0 −1
Original line number Diff line number Diff line
@@ -2939,7 +2939,6 @@ static const struct sys_reg_desc sys_reg_descs[] = { 
		    ~(ID_AA64PFR0_EL1_AMU |

		      ID_AA64PFR0_EL1_MPAM |

		      ID_AA64PFR0_EL1_SVE |

		      ID_AA64PFR0_EL1_RAS |

		      ID_AA64PFR0_EL1_AdvSIMD |

		      ID_AA64PFR0_EL1_FP)),

	ID_FILTERED(ID_AA64PFR1_EL1, id_aa64pfr1_el1,