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| author | Alexander Graf <agraf@suse.de> | 2012-08-03 11:56:33 (GMT) |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2012-08-16 12:14:53 (GMT) |
| commit | 249ba1ee0f8fcb4e40caa5fbea11dafde201cc46 (patch) | |
| tree | cbe2fcf2c4e0c966afb3a7cacc785b608304a40c /arch/powerpc/kvm/book3s_64_mmu_host.c | |
| parent | 04f995a544d1289ffb8108849cd71b1325c5af6a (diff) | |
| download | linux-249ba1ee0f8fcb4e40caa5fbea11dafde201cc46.tar.xz | |
KVM: PPC: Add cache flush on page map
When we map a page that wasn't icache cleared before, do so when first
mapping it in KVM using the same information bits as the Linux mapping
logic. That way we are 100% sure that any page we map does not have stale
entries in the icache.
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_mmu_host.c')
| -rw-r--r-- | arch/powerpc/kvm/book3s_64_mmu_host.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_64_mmu_host.c b/arch/powerpc/kvm/book3s_64_mmu_host.c index 10fc8ec..0688b6b 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_host.c +++ b/arch/powerpc/kvm/book3s_64_mmu_host.c @@ -126,6 +126,8 @@ int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *orig_pte) if (!orig_pte->may_execute) rflags |= HPTE_R_N; + else + kvmppc_mmu_flush_icache(hpaddr >> PAGE_SHIFT); hash = hpt_hash(va, PTE_SIZE, MMU_SEGSIZE_256M); |