diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:28 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-06-16 11:20:28 +0200 |
commit | faeca31d068090285b77c39574d2bda14b079c50 (patch) | |
tree | 789841a7f0d336b24a74f2191542a2eb8177c8fa /arch/powerpc/kvm/44x_tlb.c | |
parent | 499f8f84b8324ba27d756e03f373fa16eeed9ccc (diff) | |
parent | 066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff) |
Merge branch 'linus' into x86/pattip-x86-pat-2008-06-16_09.20_Mon
Diffstat (limited to 'arch/powerpc/kvm/44x_tlb.c')
-rw-r--r-- | arch/powerpc/kvm/44x_tlb.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c index f5d7a5eab96e..75dff7cfa814 100644 --- a/arch/powerpc/kvm/44x_tlb.c +++ b/arch/powerpc/kvm/44x_tlb.c @@ -116,8 +116,6 @@ static void kvmppc_44x_shadow_release(struct kvm_vcpu *vcpu, struct tlbe *stlbe = &vcpu->arch.shadow_tlb[index]; struct page *page = vcpu->arch.shadow_pages[index]; - kunmap(vcpu->arch.shadow_pages[index]); - if (get_tlb_v(stlbe)) { if (kvmppc_44x_tlbe_is_writable(stlbe)) kvm_release_page_dirty(page); @@ -144,18 +142,19 @@ void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn, u64 asid, stlbe = &vcpu->arch.shadow_tlb[victim]; /* Get reference to new page. */ - down_write(¤t->mm->mmap_sem); + down_read(¤t->mm->mmap_sem); new_page = gfn_to_page(vcpu->kvm, gfn); if (is_error_page(new_page)) { - printk(KERN_ERR "Couldn't get guest page!\n"); + printk(KERN_ERR "Couldn't get guest page for gfn %lx!\n", gfn); kvm_release_page_clean(new_page); + up_read(¤t->mm->mmap_sem); return; } hpaddr = page_to_phys(new_page); /* Drop reference to old page. */ kvmppc_44x_shadow_release(vcpu, victim); - up_write(¤t->mm->mmap_sem); + up_read(¤t->mm->mmap_sem); vcpu->arch.shadow_pages[victim] = new_page; |