From: "Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com>
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.ku...@linux.vnet.ibm.com>
Signed-off-by: Paul Mackerras <pau...@samba.org>
---
arch/powerpc/include/asm/kvm_host.h | 3 +--
arch/powerpc/kvm/book3s_64_mmu_hv.c | 28 ++++++++++++++--------------
arch/powerpc/kvm/book3s_hv.c | 10 +++++-----
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 8ef0512..015773f 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 534acb3..dbf1271 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 de74756..7b7102a 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -2032,11 +2032,11 @@ 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;
@@ -2238,7 +2238,7 @@ 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 */
@@ -2289,9 +2289,9 @@ 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);
--
2.1.4
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