On Fri, Mar 19, 2021 at 10:01:21AM +0000, Quentin Perret wrote: > Introduce the infrastructure in KVM enabling to copy CPU feature > registers into EL2-owned data-structures, to allow reading sanitised > values directly at EL2 in nVHE. > > Given that only a subset of these features are being read by the > hypervisor, the ones that need to be copied are to be listed under > <asm/kvm_cpufeature.h> together with the name of the nVHE variable that > will hold the copy. This introduces only the infrastructure enabling > this copy. The first users will follow shortly. > > Signed-off-by: Quentin Perret <qperret@xxxxxxxxxx> > --- > arch/arm64/include/asm/cpufeature.h | 1 + > arch/arm64/include/asm/kvm_cpufeature.h | 22 ++++++++++++++++++++++ > arch/arm64/include/asm/kvm_host.h | 4 ++++ > arch/arm64/kernel/cpufeature.c | 13 +++++++++++++ > arch/arm64/kvm/sys_regs.c | 19 +++++++++++++++++++ > 5 files changed, 59 insertions(+) > create mode 100644 arch/arm64/include/asm/kvm_cpufeature.h Acked-by: Will Deacon <will@xxxxxxxxxx> Will _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
