Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus

[pandora-kernel.git] / arch / powerpc / kvm / book3s_mmu_hpte.c

diff --git a/arch/powerpc/kvm/book3s_mmu_hpte.c b/arch/powerpc/kvm/book3s_mmu_hpte.c
index 79751d8..41cb001 100644 (file)
--- a/arch/powerpc/kvm/book3s_mmu_hpte.c
+++ b/arch/powerpc/kvm/book3s_mmu_hpte.c
@@ -21,7 +21,6 @@
 #include <linux/kvm_host.h>
 #include <linux/hash.h>
 #include <linux/slab.h>
-#include "trace.h"
 
 #include <asm/kvm_ppc.h>
 #include <asm/kvm_book3s.h>
@@ -29,6 +28,8 @@
 #include <asm/mmu_context.h>
 #include <asm/hw_irq.h>
 
+#include "trace.h"
+
 #define PTE_SIZE       12
 
 static struct kmem_cache *hpte_cache;
@@ -58,30 +59,31 @@ static inline u64 kvmppc_mmu_hash_vpte_long(u64 vpage)
 void kvmppc_mmu_hpte_cache_map(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 {
        u64 index;
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
 
        trace_kvm_book3s_mmu_map(pte);
 
-       spin_lock(&vcpu->arch.mmu_lock);
+       spin_lock(&vcpu3s->mmu_lock);
 
        /* Add to ePTE list */
        index = kvmppc_mmu_hash_pte(pte->pte.eaddr);
-       hlist_add_head_rcu(&pte->list_pte, &vcpu->arch.hpte_hash_pte[index]);
+       hlist_add_head_rcu(&pte->list_pte, &vcpu3s->hpte_hash_pte[index]);
 
        /* Add to ePTE_long list */
        index = kvmppc_mmu_hash_pte_long(pte->pte.eaddr);
        hlist_add_head_rcu(&pte->list_pte_long,
-                          &vcpu->arch.hpte_hash_pte_long[index]);
+                          &vcpu3s->hpte_hash_pte_long[index]);
 
        /* Add to vPTE list */
        index = kvmppc_mmu_hash_vpte(pte->pte.vpage);
-       hlist_add_head_rcu(&pte->list_vpte, &vcpu->arch.hpte_hash_vpte[index]);
+       hlist_add_head_rcu(&pte->list_vpte, &vcpu3s->hpte_hash_vpte[index]);
 
        /* Add to vPTE_long list */
        index = kvmppc_mmu_hash_vpte_long(pte->pte.vpage);
        hlist_add_head_rcu(&pte->list_vpte_long,
-                          &vcpu->arch.hpte_hash_vpte_long[index]);
+                          &vcpu3s->hpte_hash_vpte_long[index]);
 
-       spin_unlock(&vcpu->arch.mmu_lock);
+       spin_unlock(&vcpu3s->mmu_lock);
 }
 
 static void free_pte_rcu(struct rcu_head *head)
@@ -92,16 +94,18 @@ static void free_pte_rcu(struct rcu_head *head)
 
 static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
+
        trace_kvm_book3s_mmu_invalidate(pte);
 
        /* Different for 32 and 64 bit */
        kvmppc_mmu_invalidate_pte(vcpu, pte);
 
-       spin_lock(&vcpu->arch.mmu_lock);
+       spin_lock(&vcpu3s->mmu_lock);
 
        /* pte already invalidated in between? */
        if (hlist_unhashed(&pte->list_pte)) {
-               spin_unlock(&vcpu->arch.mmu_lock);
+               spin_unlock(&vcpu3s->mmu_lock);
                return;
        }
 
@@ -115,14 +119,15 @@ static void invalidate_pte(struct kvm_vcpu *vcpu, struct hpte_cache *pte)
        else
                kvm_release_pfn_clean(pte->pfn);
 
-       spin_unlock(&vcpu->arch.mmu_lock);
+       spin_unlock(&vcpu3s->mmu_lock);
 
-       vcpu->arch.hpte_cache_count--;
+       vcpu3s->hpte_cache_count--;
        call_rcu(&pte->rcu_head, free_pte_rcu);
 }
 
 static void kvmppc_mmu_pte_flush_all(struct kvm_vcpu *vcpu)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hpte_cache *pte;
        struct hlist_node *node;
        int i;
@@ -130,7 +135,7 @@ static void kvmppc_mmu_pte_flush_all(struct kvm_vcpu *vcpu)
        rcu_read_lock();
 
        for (i = 0; i < HPTEG_HASH_NUM_VPTE_LONG; i++) {
-               struct hlist_head *list = &vcpu->arch.hpte_hash_vpte_long[i];
+               struct hlist_head *list = &vcpu3s->hpte_hash_vpte_long[i];
 
                hlist_for_each_entry_rcu(pte, node, list, list_vpte_long)
                        invalidate_pte(vcpu, pte);
@@ -141,12 +146,13 @@ static void kvmppc_mmu_pte_flush_all(struct kvm_vcpu *vcpu)
 
 static void kvmppc_mmu_pte_flush_page(struct kvm_vcpu *vcpu, ulong guest_ea)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hlist_head *list;
        struct hlist_node *node;
        struct hpte_cache *pte;
 
        /* Find the list of entries in the map */
-       list = &vcpu->arch.hpte_hash_pte[kvmppc_mmu_hash_pte(guest_ea)];
+       list = &vcpu3s->hpte_hash_pte[kvmppc_mmu_hash_pte(guest_ea)];
 
        rcu_read_lock();
 
@@ -160,12 +166,13 @@ static void kvmppc_mmu_pte_flush_page(struct kvm_vcpu *vcpu, ulong guest_ea)
 
 static void kvmppc_mmu_pte_flush_long(struct kvm_vcpu *vcpu, ulong guest_ea)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hlist_head *list;
        struct hlist_node *node;
        struct hpte_cache *pte;
 
        /* Find the list of entries in the map */
-       list = &vcpu->arch.hpte_hash_pte_long[
+       list = &vcpu3s->hpte_hash_pte_long[
                        kvmppc_mmu_hash_pte_long(guest_ea)];
 
        rcu_read_lock();
@@ -203,12 +210,13 @@ void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, ulong guest_ea, ulong ea_mask)
 /* Flush with mask 0xfffffffff */
 static void kvmppc_mmu_pte_vflush_short(struct kvm_vcpu *vcpu, u64 guest_vp)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hlist_head *list;
        struct hlist_node *node;
        struct hpte_cache *pte;
        u64 vp_mask = 0xfffffffffULL;
 
-       list = &vcpu->arch.hpte_hash_vpte[kvmppc_mmu_hash_vpte(guest_vp)];
+       list = &vcpu3s->hpte_hash_vpte[kvmppc_mmu_hash_vpte(guest_vp)];
 
        rcu_read_lock();
 
@@ -223,12 +231,13 @@ static void kvmppc_mmu_pte_vflush_short(struct kvm_vcpu *vcpu, u64 guest_vp)
 /* Flush with mask 0xffffff000 */
 static void kvmppc_mmu_pte_vflush_long(struct kvm_vcpu *vcpu, u64 guest_vp)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hlist_head *list;
        struct hlist_node *node;
        struct hpte_cache *pte;
        u64 vp_mask = 0xffffff000ULL;
 
-       list = &vcpu->arch.hpte_hash_vpte_long[
+       list = &vcpu3s->hpte_hash_vpte_long[
                kvmppc_mmu_hash_vpte_long(guest_vp)];
 
        rcu_read_lock();
@@ -261,6 +270,7 @@ void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 guest_vp, u64 vp_mask)
 
 void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hlist_node *node;
        struct hpte_cache *pte;
        int i;
@@ -270,7 +280,7 @@ void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
        rcu_read_lock();
 
        for (i = 0; i < HPTEG_HASH_NUM_VPTE_LONG; i++) {
-               struct hlist_head *list = &vcpu->arch.hpte_hash_vpte_long[i];
+               struct hlist_head *list = &vcpu3s->hpte_hash_vpte_long[i];
 
                hlist_for_each_entry_rcu(pte, node, list, list_vpte_long)
                        if ((pte->pte.raddr >= pa_start) &&
@@ -283,12 +293,13 @@ void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, ulong pa_start, ulong pa_end)
 
 struct hpte_cache *kvmppc_mmu_hpte_cache_next(struct kvm_vcpu *vcpu)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
        struct hpte_cache *pte;
 
        pte = kmem_cache_zalloc(hpte_cache, GFP_KERNEL);
-       vcpu->arch.hpte_cache_count++;
+       vcpu3s->hpte_cache_count++;
 
-       if (vcpu->arch.hpte_cache_count == HPTEG_CACHE_NUM)
+       if (vcpu3s->hpte_cache_count == HPTEG_CACHE_NUM)
                kvmppc_mmu_pte_flush_all(vcpu);
 
        return pte;
@@ -309,17 +320,19 @@ static void kvmppc_mmu_hpte_init_hash(struct hlist_head *hash_list, int len)
 
 int kvmppc_mmu_hpte_init(struct kvm_vcpu *vcpu)
 {
+       struct kvmppc_vcpu_book3s *vcpu3s = to_book3s(vcpu);
+
        /* init hpte lookup hashes */
-       kvmppc_mmu_hpte_init_hash(vcpu->arch.hpte_hash_pte,
-                                 ARRAY_SIZE(vcpu->arch.hpte_hash_pte));
-       kvmppc_mmu_hpte_init_hash(vcpu->arch.hpte_hash_pte_long,
-                                 ARRAY_SIZE(vcpu->arch.hpte_hash_pte_long));
-       kvmppc_mmu_hpte_init_hash(vcpu->arch.hpte_hash_vpte,
-                                 ARRAY_SIZE(vcpu->arch.hpte_hash_vpte));
-       kvmppc_mmu_hpte_init_hash(vcpu->arch.hpte_hash_vpte_long,
-                                 ARRAY_SIZE(vcpu->arch.hpte_hash_vpte_long));
-
-       spin_lock_init(&vcpu->arch.mmu_lock);
+       kvmppc_mmu_hpte_init_hash(vcpu3s->hpte_hash_pte,
+                                 ARRAY_SIZE(vcpu3s->hpte_hash_pte));
+       kvmppc_mmu_hpte_init_hash(vcpu3s->hpte_hash_pte_long,
+                                 ARRAY_SIZE(vcpu3s->hpte_hash_pte_long));
+       kvmppc_mmu_hpte_init_hash(vcpu3s->hpte_hash_vpte,
+                                 ARRAY_SIZE(vcpu3s->hpte_hash_vpte));
+       kvmppc_mmu_hpte_init_hash(vcpu3s->hpte_hash_vpte_long,
+                                 ARRAY_SIZE(vcpu3s->hpte_hash_vpte_long));
+
+       spin_lock_init(&vcpu3s->mmu_lock);
 
        return 0;
 }