On Thu, Feb 27, 2014 at 04:05:04PM +0530, Pranavkumar Sawargaonkar wrote: > Hi Peter, > > On 27 February 2014 15:23, Peter Maydell <peter.maydell@xxxxxxxxxx> wrote: > > On 27 February 2014 06:51, Pranavkumar Sawargaonkar > > <pranavkumar@xxxxxxxxxx> wrote: > >> We need to "Feed the kernel back its initial register state" using KVM > >> ioctls for KVM ARM64 (just like KVM ARM). This means we need to save > >> the "initial register state" in kvm_arch_init_vcpu() which is not the > >> case for KVM ARM64 right now. In simpler work, we are depended upon > >> VCPU register init/save/restore for implementing kvm_arch_reset_vcpu(). > >> > >> This patch adds a hacky implementation of kvm_arch_reset_vcpu() which > >> only works for "mach-virt". As-per this hacky implemenation, we re-init > >> the VCPU using kvm_arch_init_vcpu() so that all registers of VCPU are > >> set to their reset values by in-kernel KVM code. > > > > Re-initing the VCPU is actually the right way to do this -- it is feeding > > all the register state back to KVM that is the hack. (One day I may > > fix 32 bit ARM to re-init the VCPU). > > > Didn't I promise a patch to the KVM Documentation some time to clarify this? Hmmm. -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
