[PATCH 6/8] KVM: MMU: Add memslot parameter to hva handlers

From: Takuya Yoshikawa
Date: Mon Jul 02 2012 - 04:58:08 EST


This is needed to push trace_kvm_age_page() into kvm_age_rmapp() in the
following patch.

Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx>
---
arch/x86/kvm/mmu.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f2c408a..bf8d50e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1124,7 +1124,7 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn)
}

static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
- unsigned long data)
+ struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
@@ -1142,7 +1142,7 @@ static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp,
}

static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
- unsigned long data)
+ struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
@@ -1189,6 +1189,7 @@ static int kvm_handle_hva_range(struct kvm *kvm,
unsigned long data,
int (*handler)(struct kvm *kvm,
unsigned long *rmapp,
+ struct kvm_memory_slot *slot,
unsigned long data))
{
int j;
@@ -1223,7 +1224,7 @@ static int kvm_handle_hva_range(struct kvm *kvm,
unsigned long *rmapp;

rmapp = __gfn_to_rmap(gfn, j, memslot);
- ret |= handler(kvm, rmapp, data);
+ ret |= handler(kvm, rmapp, memslot, data);
}
trace_kvm_age_page(memslot->userspace_addr +
(gfn - memslot->base_gfn) * PAGE_SIZE,
@@ -1238,6 +1239,7 @@ static int kvm_handle_hva_range(struct kvm *kvm,
static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
unsigned long data,
int (*handler)(struct kvm *kvm, unsigned long *rmapp,
+ struct kvm_memory_slot *slot,
unsigned long data))
{
return kvm_handle_hva_range(kvm, hva, hva + 1, data, handler);
@@ -1259,7 +1261,7 @@ void kvm_set_spte_hva(struct kvm *kvm, unsigned long hva, pte_t pte)
}

static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
- unsigned long data)
+ struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator uninitialized_var(iter);
@@ -1274,7 +1276,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
* out actively used pages or breaking up actively used hugepages.
*/
if (!shadow_accessed_mask)
- return kvm_unmap_rmapp(kvm, rmapp, data);
+ return kvm_unmap_rmapp(kvm, rmapp, slot, data);

for (sptep = rmap_get_first(*rmapp, &iter); sptep;
sptep = rmap_get_next(&iter)) {
@@ -1291,7 +1293,7 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
}

static int kvm_test_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
- unsigned long data)
+ struct kvm_memory_slot *slot, unsigned long data)
{
u64 *sptep;
struct rmap_iterator iter;
@@ -1329,7 +1331,7 @@ static void rmap_recycle(struct kvm_vcpu *vcpu, u64 *spte, gfn_t gfn)

rmapp = gfn_to_rmap(vcpu->kvm, gfn, sp->role.level);

- kvm_unmap_rmapp(vcpu->kvm, rmapp, 0);
+ kvm_unmap_rmapp(vcpu->kvm, rmapp, NULL, 0);
kvm_flush_remote_tlbs(vcpu->kvm);
}

--
1.7.5.4

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