[PATCH v2 00/25] KVM/arm64: VM configuration enforcement
From: Marc Zyngier <maz@kernel.org>
Date: 2024-01-30 20:46:16
Also in:
kvmarm
This is the second version of this configurationm enforcement series after some really awesome reviewing with from Joey. I think I have taken most of the feedback into account, but please shout if I have ignored something. * From v1: [1] - Fix embarrassing crash with FEAT_MOPS - Better error handling in the FGT code - Added/Fixed comments - Simplified the __vcpu_sys_reg() macro - Fixed FEAT_PIR handling - Folded in Oliver's PMU rework [1] https://lore.kernel.org/all/20240122201852.262057-1-maz@kernel.org (local) Marc Zyngier (25): arm64: sysreg: Add missing ID_AA64ISAR[13]_EL1 fields and variants KVM: arm64: Add feature checking helpers KVM: arm64: nv: Add sanitising to VNCR-backed sysregs KVM: arm64: nv: Add sanitising to EL2 configuration registers KVM: arm64: nv: Add sanitising to VNCR-backed FGT sysregs KVM: arm64: nv: Add sanitising to VNCR-backed HCRX_EL2 KVM: arm64: nv: Drop sanitised_sys_reg() helper KVM: arm64: Unify HDFG[WR]TR_GROUP FGT identifiers KVM: arm64: nv: Correctly handle negative polarity FGTs KVM: arm64: nv: Turn encoding ranges into discrete XArray stores KVM: arm64: Drop the requirement for XARRAY_MULTI KVM: arm64: nv: Move system instructions to their own sys_reg_desc array KVM: arm64: Always populate the trap configuration xarray KVM: arm64: Register AArch64 system register entries with the sysreg xarray KVM: arm64: Use the xarray as the primary sysreg/sysinsn walker KVM: arm64: Rename __check_nv_sr_forward() to triage_sysreg_trap() KVM: arm64: Add Fine-Grained UNDEF tracking information KVM: arm64: Propagate and handle Fine-Grained UNDEF bits KVM: arm64: Move existing feature disabling over to FGU infrastructure KVM: arm64: Streamline save/restore of HFG[RW]TR_EL2 KVM: arm64: Make TLBI OS/Range UNDEF if not advertised to the guest KVM: arm64: Make PIR{,E0}_EL1 UNDEF if S1PIE is not advertised to the guest KVM: arm64: Make AMU sysreg UNDEF if FEAT_AMU is not advertised to the guest KVM: arm64: Make FEAT_MOPS UNDEF if not advertised to the guest KVM: arm64: Add debugfs file for guest's ID registers arch/arm64/include/asm/kvm_arm.h | 4 +- arch/arm64/include/asm/kvm_host.h | 107 ++++++++- arch/arm64/include/asm/kvm_nested.h | 1 - arch/arm64/kvm/Kconfig | 1 - arch/arm64/kvm/arm.c | 7 + arch/arm64/kvm/emulate-nested.c | 231 +++++++++++++----- arch/arm64/kvm/hyp/include/hyp/switch.h | 130 +++++----- arch/arm64/kvm/hyp/include/hyp/sysreg-sr.h | 24 +- arch/arm64/kvm/nested.c | 265 ++++++++++++++++++++- arch/arm64/kvm/pmu-emul.c | 11 +- arch/arm64/kvm/sys_regs.c | 235 +++++++++++++++--- arch/arm64/kvm/sys_regs.h | 2 + arch/arm64/tools/sysreg | 8 +- include/kvm/arm_pmu.h | 11 - 14 files changed, 856 insertions(+), 181 deletions(-) -- 2.39.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel