[PATCH 7/8] KVM: Add page map arch callback

[Alexander Graf <agraf@suse.de>]

Some archs need to ensure that their icache is flushed when mapping a new
page. Add a callback to the generic code for an arch to implement any cache
flush logic it may need.

Signed-off-by: Alexander Graf <agraf@suse.de>
---
 virt/kvm/kvm_main.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d42591d..4e0882d 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -1161,8 +1161,12 @@ static pfn_t hva_to_pfn(unsigned long addr, bool atomic, bool *async,
 			pfn = get_fault_pfn();
 		}
 		up_read(&current->mm->mmap_sem);
-	} else
+	} else {
 		pfn = page_to_pfn(page[0]);
+#ifdef __KVM_HAVE_ARCH_MAP_PAGE
+		kvm_arch_map_page(page[0]);
+#endif
+	}
 
 	return pfn;
 }
-- 
1.6.0.2