| Message ID | 1467975211-12674-3-git-send-email-james.hogan@imgtec.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/arch/mips/kvm/tlb.c b/arch/mips/kvm/tlb.c index 9699352293e4..f5f8c2acae53 100644 --- a/arch/mips/kvm/tlb.c +++ b/arch/mips/kvm/tlb.c @@ -176,7 +176,7 @@ int kvm_mips_handle_commpage_tlb_fault(unsigned long badvaddr, unsigned long entrylo[2] = { 0, 0 }; unsigned int pair_idx; - pfn = CPHYSADDR(vcpu->arch.kseg0_commpage) >> PAGE_SHIFT; + 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) |
Calculate the PFN of the commpage using virt_to_phys() instead of CPHYSADDR(). This is more portable as kzalloc() may allocate from XKPhys instead of KSeg0 on 64-bit kernels, which CPHYSADDR() doesn't handle. This is sufficient for highmem kernels too since kzalloc() will allocate from lowmem in KSeg0. Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org --- arch/mips/kvm/tlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)