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authorJames Hogan <james.hogan@imgtec.com>2015-12-16 23:49:29 +0000
committerRalf Baechle <ralf@linux-mips.org>2016-01-24 03:09:36 +0100
commite318f0fd37b630ea02dd9147beb1224789dc197f (patch)
treee3e5ed1b69b51f8d7d4004a488614817656ba9ab /arch
parent9fd4af639b8585a0c9949e6e3ffc8e2c829dedb5 (diff)
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MIPS: KVM: Drop unused kvm_mips_host_tlb_inv_index()
The function kvm_mips_host_tlb_inv_index() is unused, so drop it completely. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Gleb Natapov <gleb@kernel.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/11886/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/include/asm/kvm_host.h1
-rw-r--r--arch/mips/kvm/tlb.c37
2 files changed, 0 insertions, 38 deletions
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index b14265d8d606..16f647347357 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -678,7 +678,6 @@ extern void kvm_mips_dump_host_tlbs(void);
extern void kvm_mips_dump_guest_tlbs(struct kvm_vcpu *vcpu);
extern void kvm_mips_flush_host_tlb(int skip_kseg0);
extern int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long entryhi);
-extern int kvm_mips_host_tlb_inv_index(struct kvm_vcpu *vcpu, int index);
extern int kvm_mips_guest_tlb_lookup(struct kvm_vcpu *vcpu,
unsigned long entryhi);
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c
index 3d3f22301a35..2c0997447448 100644
--- a/arch/mips/kvm/tlb.c
+++ b/arch/mips/kvm/tlb.c
@@ -507,43 +507,6 @@ int kvm_mips_host_tlb_inv(struct kvm_vcpu *vcpu, unsigned long va)
}
EXPORT_SYMBOL(kvm_mips_host_tlb_inv);
-/* XXXKYMA: Fix Guest USER/KERNEL no longer share the same ASID */
-int kvm_mips_host_tlb_inv_index(struct kvm_vcpu *vcpu, int index)
-{
- unsigned long flags, old_entryhi;
-
- if (index >= current_cpu_data.tlbsize)
- BUG();
-
- local_irq_save(flags);
-
- old_entryhi = read_c0_entryhi();
-
- write_c0_entryhi(UNIQUE_ENTRYHI(index));
- mtc0_tlbw_hazard();
-
- write_c0_index(index);
- mtc0_tlbw_hazard();
-
- write_c0_entrylo0(0);
- mtc0_tlbw_hazard();
-
- write_c0_entrylo1(0);
- mtc0_tlbw_hazard();
-
- tlb_write_indexed();
- mtc0_tlbw_hazard();
- tlbw_use_hazard();
-
- write_c0_entryhi(old_entryhi);
- mtc0_tlbw_hazard();
- tlbw_use_hazard();
-
- local_irq_restore(flags);
-
- return 0;
-}
-
void kvm_mips_flush_host_tlb(int skip_kseg0)
{
unsigned long flags;