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Diffstat (limited to 'arch/mips/kvm/tlb.c')
-rw-r--r--arch/mips/kvm/tlb.c44
1 files changed, 0 insertions, 44 deletions
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index 2fb76869d017..919252662d5a 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -52,11 +52,6 @@ static u32 kvm_mips_get_user_asid(struct kvm_vcpu *vcpu)
return cpu_asid(cpu, user_mm);
}
-inline u32 kvm_mips_get_commpage_asid(struct kvm_vcpu *vcpu)
-{
- return vcpu->kvm->arch.commpage_tlb;
-}
-
/* Structure defining an tlb entry data set. */
void kvm_mips_dump_host_tlbs(void)
@@ -104,45 +99,6 @@ void kvm_mips_dump_guest_tlbs(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_mips_dump_guest_tlbs);
-int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr,
- struct kvm_vcpu *vcpu)
-{
- kvm_pfn_t pfn;
- unsigned long flags, old_entryhi = 0, vaddr = 0;
- unsigned long entrylo[2] = { 0, 0 };
- unsigned int pair_idx;
-
- pfn = PFN_DOWN(virt_to_phys(vcpu->arch.kseg0_commpage));
- pair_idx = (badvaddr >> PAGE_SHIFT) & 1;
- entrylo[pair_idx] = mips3_paddr_to_tlbpfn(pfn << PAGE_SHIFT) |
- ((_page_cachable_default >> _CACHE_SHIFT) << ENTRYLO_C_SHIFT) |
- ENTRYLO_D | ENTRYLO_V;
-
- local_irq_save(flags);
-
- old_entryhi = read_c0_entryhi();
- vaddr = badvaddr & (PAGE_MASK << 1);
- write_c0_entryhi(vaddr | kvm_mips_get_kernel_asid(vcpu));
- write_c0_entrylo0(entrylo[0]);
- write_c0_entrylo1(entrylo[1]);
- write_c0_index(kvm_mips_get_commpage_asid(vcpu));
- mtc0_tlbw_hazard();
- tlb_write_indexed();
- tlbw_use_hazard();
-
- kvm_debug("@ %#lx idx: %2d [entryhi(R): %#lx] entrylo0 (R): 0x%08lx, entrylo1(R): 0x%08lx\n",
- vcpu->arch.pc, read_c0_index(), read_c0_entryhi(),
- read_c0_entrylo0(), read_c0_entrylo1());
-
- /* Restore old ASID */
- write_c0_entryhi(old_entryhi);
- mtc0_tlbw_hazard();
- local_irq_restore(flags);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(kvm_mips_handle_commpage_tlb_fault);
-
int kvm_mips_guest_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long entryhi)
{
int i;