MIPS protection bits are setup during runtime so using defines like
PAGE_SHARED ignores this runtime changes. Using vm_get_page_prot
to get correct page protection fixes this.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
{
kvm_pfn_t pfn;
pte_t *ptep;
+ pgprot_t prot;
ptep = kvm_trap_emul_pte_for_gva(vcpu, badvaddr);
if (!ptep) {
pfn = PFN_DOWN(virt_to_phys(vcpu->arch.kseg0_commpage));
/* Also set valid and dirty, so refill handler doesn't have to */
- *ptep = pte_mkyoung(pte_mkdirty(pfn_pte(pfn, PAGE_SHARED)));
+ prot = vm_get_page_prot(VM_READ|VM_WRITE|VM_SHARED);
+ *ptep = pte_mkyoung(pte_mkdirty(pfn_pte(pfn, prot)));
/* Invalidate this entry in the TLB, guest kernel ASID only */
kvm_mips_host_tlb_inv(vcpu, badvaddr, false, true);