On Tue, 16 Jun 2015 02:34:23 +0100 Vikram Sethi <vikrams@xxxxxxxxxxxxxx> wrote: Hi Vikram, > Hi Marc, Christoffer, Catalin, Will, > > I'm seeing an issue with KVM HCPTR (cp15) writes on guest entry/exit > on one of Qualcomm's CPU cores in AArch32 host and AArch32 guest > mode. Our CPU architects believe that HCPTR cp15 writes are context > changing and require an isb. With an isb in set_hcptr macro in > arch/arm/kvm/interrupts_head.S I am able to boot the Aarch32 guest, > but without it, I see strange crashes to hyp_undef or hyp_pabt. [...] Can you look at the following patch (queued for 4.2)? http://lists.infradead.org/pipermail/linux-arm-kernel/2015-March/330955.html Please let me know if this solves the issue you are seeing. Thanks, M. -- Without deviation from the norm, progress is not possible. _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
