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Merge tag 'kvm_mips_4.9_1' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/kvm-mips into next

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MIPS KVM updates for v4.9

- A couple of fixes in preparation for supporting MIPS EVA host kernels.
- MIPS SMP host & TLB invalidation fixes.
This commit is contained in:
Radim Krčmář
2016-09-29 16:26:52 +02:00
parent 40a6d22084 bf18db4e7b
commit d9ab710b85
5 changed files with 144 additions and 17 deletions
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18
arch/mips/kvm/mmu.c
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@@ -250,15 +250,27 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
kvm_get_new_mmu_context(&vcpu->arch.guest_kernel_mm, cpu, vcpu);
vcpu->arch.guest_kernel_asid[cpu] =
vcpu->arch.guest_kernel_mm.context.asid[cpu];
kvm_get_new_mmu_context(&vcpu->arch.guest_user_mm, cpu, vcpu);
vcpu->arch.guest_user_asid[cpu] =
vcpu->arch.guest_user_mm.context.asid[cpu];
newasid++;
kvm_debug("[%d]: cpu_context: %#lx\n", cpu,
cpu_context(cpu, current->mm));
kvm_debug("[%d]: Allocated new ASID for Guest Kernel: %#x\n",
cpu, vcpu->arch.guest_kernel_asid[cpu]);
}
if ((vcpu->arch.guest_user_asid[cpu] ^ asid_cache(cpu)) &
asid_version_mask(cpu)) {
u32 gasid = kvm_read_c0_guest_entryhi(vcpu->arch.cop0) &
KVM_ENTRYHI_ASID;
kvm_get_new_mmu_context(&vcpu->arch.guest_user_mm, cpu, vcpu);
vcpu->arch.guest_user_asid[cpu] =
vcpu->arch.guest_user_mm.context.asid[cpu];
vcpu->arch.last_user_gasid = gasid;
newasid++;
kvm_debug("[%d]: cpu_context: %#lx\n", cpu,
cpu_context(cpu, current->mm));
kvm_debug("[%d]: Allocated new ASID for Guest User: %#x\n", cpu,
vcpu->arch.guest_user_asid[cpu]);
}