KVM: PPC: Book3S HV: Remove RMA-related variables from code

We don't support real-mode areas now that 970 support is removed.
Remove the remaining details of rma from the code.  Also rename
rma_setup_done to hpte_setup_done to better reflect the changes.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

3 files changed, 20 insertions, 21 deletions

diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 8ef05121d3cd..015773f5bb33 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -228,9 +228,8 @@ struct kvm_arch {
         int tlbie_lock;
         unsigned long lpcr;
         unsigned long rmor;
-        struct kvm_rma_info *rma;
         unsigned long vrma_slb_v;
-        int rma_setup_done;
+        int hpte_setup_done;
         u32 hpt_order;
         atomic_t vcpus_running;
         u32 online_vcores;
diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index 534acb3c6c3d..dbf127168ca4 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -116,12 +116,12 @@ long kvmppc_alloc_reset_hpt(struct kvm *kvm, u32 *htab_orderp)
         long order;
 
         mutex_lock(&kvm->lock);
-        if (kvm->arch.rma_setup_done) {
-                kvm->arch.rma_setup_done = 0;
-                /* order rma_setup_done vs. vcpus_running */
+        if (kvm->arch.hpte_setup_done) {
+                kvm->arch.hpte_setup_done = 0;
+                /* order hpte_setup_done vs. vcpus_running */
                 smp_mb();
                 if (atomic_read(&kvm->arch.vcpus_running)) {
-                        kvm->arch.rma_setup_done = 1;
+                        kvm->arch.hpte_setup_done = 1;
                         goto out;
                 }
         }
@@ -1339,20 +1339,20 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
         unsigned long tmp[2];
         ssize_t nb;
         long int err, ret;
-        int rma_setup;
+        int hpte_setup;
 
         if (!access_ok(VERIFY_READ, buf, count))
                 return -EFAULT;
 
         /* lock out vcpus from running while we're doing this */
         mutex_lock(&kvm->lock);
-        rma_setup = kvm->arch.rma_setup_done;
-        if (rma_setup) {
-                kvm->arch.rma_setup_done = 0;   /* temporarily */
-                /* order rma_setup_done vs. vcpus_running */
+        hpte_setup = kvm->arch.hpte_setup_done;
+        if (hpte_setup) {
+                kvm->arch.hpte_setup_done = 0;  /* temporarily */
+                /* order hpte_setup_done vs. vcpus_running */
                 smp_mb();
                 if (atomic_read(&kvm->arch.vcpus_running)) {
-                        kvm->arch.rma_setup_done = 1;
+                        kvm->arch.hpte_setup_done = 1;
                         mutex_unlock(&kvm->lock);
                         return -EBUSY;
                 }
@@ -1405,7 +1405,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
                                        "r=%lx\n", ret, i, v, r);
                                 goto out;
                         }
-                        if (!rma_setup && is_vrma_hpte(v)) {
+                        if (!hpte_setup && is_vrma_hpte(v)) {
                                 unsigned long psize = hpte_base_page_size(v, r);
                                 unsigned long senc = slb_pgsize_encoding(psize);
                                 unsigned long lpcr;
@@ -1414,7 +1414,7 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
                                         (VRMA_VSID << SLB_VSID_SHIFT_1T);
                                 lpcr = senc << (LPCR_VRMASD_SH - 4);
                                 kvmppc_update_lpcr(kvm, lpcr, LPCR_VRMASD);
-                                rma_setup = 1;
+                                hpte_setup = 1;
                         }
                         ++i;
                         hptp += 2;
@@ -1430,9 +1430,9 @@ static ssize_t kvm_htab_write(struct file *file, const char __user *buf,
         }
 
  out:
-        /* Order HPTE updates vs. rma_setup_done */
+        /* Order HPTE updates vs. hpte_setup_done */
         smp_wmb();
-        kvm->arch.rma_setup_done = rma_setup;
+        kvm->arch.hpte_setup_done = hpte_setup;
         mutex_unlock(&kvm->lock);
 
         if (err)
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index b9c11a3abcb2..dde14fd64d8e 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2044,11 +2044,11 @@ static int kvmppc_vcpu_run_hv(struct kvm_run *run, struct kvm_vcpu *vcpu)
         }
 
         atomic_inc(&vcpu->kvm->arch.vcpus_running);
-        /* Order vcpus_running vs. rma_setup_done, see kvmppc_alloc_reset_hpt */
+        /* Order vcpus_running vs. hpte_setup_done, see kvmppc_alloc_reset_hpt */
         smp_mb();
 
         /* On the first time here, set up HTAB and VRMA */
-        if (!vcpu->kvm->arch.rma_setup_done) {
+        if (!vcpu->kvm->arch.hpte_setup_done) {
                 r = kvmppc_hv_setup_htab_rma(vcpu);
                 if (r)
                         goto out;
@@ -2250,7 +2250,7 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
         int srcu_idx;
 
         mutex_lock(&kvm->lock);
-        if (kvm->arch.rma_setup_done)
+        if (kvm->arch.hpte_setup_done)
                 goto out;       /* another vcpu beat us to it */
 
         /* Allocate hashed page table (if not done already) and reset it */
@@ -2301,9 +2301,9 @@ static int kvmppc_hv_setup_htab_rma(struct kvm_vcpu *vcpu)
 
         kvmppc_update_lpcr(kvm, lpcr, LPCR_VRMASD);
 
-        /* Order updates to kvm->arch.lpcr etc. vs. rma_setup_done */
+        /* Order updates to kvm->arch.lpcr etc. vs. hpte_setup_done */
         smp_wmb();
-        kvm->arch.rma_setup_done = 1;
+        kvm->arch.hpte_setup_done = 1;
         err = 0;
  out_srcu:
         srcu_read_unlock(&kvm->srcu, srcu_idx);