Patchwork [1/6] KVM: MMU: Use __gfn_to_rmap() to clean up kvm_handle_hva()

login
register
mail settings
Submitter Takuya Yoshikawa
Date June 21, 2012, 8:49 a.m.
Message ID <20120621174924.24ae896c.yoshikawa.takuya@oss.ntt.co.jp>
Download mbox | patch
Permalink /patch/166257/
State New
Headers show

Comments

Takuya Yoshikawa - June 21, 2012, 8:49 a.m.
We can treat every level uniformly.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
---
 arch/x86/kvm/mmu.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 3b53d9e..d3e7e6a 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1205,14 +1205,14 @@  static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
 			gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT;
 			gfn_t gfn = memslot->base_gfn + gfn_offset;
 
-			ret = handler(kvm, &memslot->rmap[gfn_offset], data);
+			ret = 0;
 
-			for (j = 0; j < KVM_NR_PAGE_SIZES - 1; ++j) {
-				struct kvm_lpage_info *linfo;
+			for (j = PT_PAGE_TABLE_LEVEL;
+			     j < PT_PAGE_TABLE_LEVEL + KVM_NR_PAGE_SIZES; ++j) {
+				unsigned long *rmapp;
 
-				linfo = lpage_info_slot(gfn, memslot,
-							PT_DIRECTORY_LEVEL + j);
-				ret |= handler(kvm, &linfo->rmap_pde, data);
+				rmapp = __gfn_to_rmap(gfn, j, memslot);
+				ret |= handler(kvm, rmapp, data);
 			}
 			trace_kvm_age_page(hva, memslot, ret);
 			retval |= ret;