On Wed, Jun 5, 2024 at 9:28 AM Marc Zyngier <maz@xxxxxxxxxx> wrote: > > Paolo, > > Here's a large-ish set of fixes for 6.10, the bulk of it addressing > the sorry state of pKVM's handling of FP/SVE (kudos to Fuad for sticking > with it and getting the series in shape). > > The rest is a more esoteric set of AArch32 and NV fixes, details in the > tag as usual. > > Please pull, Pulled, thanks. Paolo > > M. > > The following changes since commit 1613e604df0cd359cf2a7fbd9be7a0bcfacfabd0: > > Linux 6.10-rc1 (2024-05-26 15:20:12 -0700) > > are available in the Git repository at: > > git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git tags/kvmarm-fixes-6.10-1 > > for you to fetch changes up to afb91f5f8ad7af172d993a34fde1947892408f53: > > KVM: arm64: Ensure that SME controls are disabled in protected mode (2024-06-04 15:06:33 +0100) > > ---------------------------------------------------------------- > KVM/arm64 fixes for 6.10, take #1 > > - Large set of FP/SVE fixes for pKVM, addressing the fallout > from the per-CPU data rework and making sure that the host > is not involved in the FP/SVE switching any more > > - Allow FEAT_BTI to be enabled with NV now that FEAT_PAUTH > is copletely supported > > - Fix for the respective priorities of Failed PAC, Illegal > Execution state and Instruction Abort exceptions > > - Fix the handling of AArch32 instruction traps failing their > condition code, which was broken by the introduction of > ESR_EL2.ISS2 > > - Allow vpcus running in AArch32 state to be restored in > System mode > > - Fix AArch32 GPR restore that would lose the 64 bit state > under some conditions > > ---------------------------------------------------------------- > Fuad Tabba (9): > KVM: arm64: Reintroduce __sve_save_state > KVM: arm64: Fix prototype for __sve_save_state/__sve_restore_state > KVM: arm64: Abstract set/clear of CPTR_EL2 bits behind helper > KVM: arm64: Specialize handling of host fpsimd state on trap > KVM: arm64: Allocate memory mapped at hyp for host sve state in pKVM > KVM: arm64: Eagerly restore host fpsimd/sve state in pKVM > KVM: arm64: Consolidate initializing the host data's fpsimd_state/sve in pKVM > KVM: arm64: Refactor CPACR trap bit setting/clearing to use ELx format > KVM: arm64: Ensure that SME controls are disabled in protected mode > > Marc Zyngier (5): > KVM: arm64: Fix AArch32 register narrowing on userspace write > KVM: arm64: Allow AArch32 PSTATE.M to be restored as System mode > KVM: arm64: AArch32: Fix spurious trapping of conditional instructions > KVM: arm64: nv: Fix relative priorities of exceptions generated by ERETAx > KVM: arm64: nv: Expose BTI and CSV_frac to a guest hypervisor > > arch/arm64/include/asm/el2_setup.h | 6 +-- > arch/arm64/include/asm/kvm_arm.h | 6 +++ > arch/arm64/include/asm/kvm_emulate.h | 71 ++++++++++++++++++++++++++-- > arch/arm64/include/asm/kvm_host.h | 25 +++++++++- > arch/arm64/include/asm/kvm_hyp.h | 4 +- > arch/arm64/include/asm/kvm_pkvm.h | 9 ++++ > arch/arm64/kvm/arm.c | 76 +++++++++++++++++++++++++++++ > arch/arm64/kvm/emulate-nested.c | 21 +++++---- > arch/arm64/kvm/fpsimd.c | 11 +++-- > arch/arm64/kvm/guest.c | 3 +- > arch/arm64/kvm/hyp/aarch32.c | 18 ++++++- > arch/arm64/kvm/hyp/fpsimd.S | 6 +++ > arch/arm64/kvm/hyp/include/hyp/switch.h | 36 +++++++------- > arch/arm64/kvm/hyp/include/nvhe/pkvm.h | 1 - > arch/arm64/kvm/hyp/nvhe/hyp-main.c | 84 +++++++++++++++++++++++++++++---- > arch/arm64/kvm/hyp/nvhe/pkvm.c | 17 ++----- > arch/arm64/kvm/hyp/nvhe/setup.c | 25 +++++++++- > arch/arm64/kvm/hyp/nvhe/switch.c | 24 ++++++++-- > arch/arm64/kvm/hyp/vhe/switch.c | 12 +++-- > arch/arm64/kvm/nested.c | 6 ++- > arch/arm64/kvm/reset.c | 3 ++ > 21 files changed, 391 insertions(+), 73 deletions(-) >
