[PATCH 4/5] KVM: PPC: Book3S HV: Make a HPTE removal function available
This makes a HPTE removal function, kvmppc_do_h_remove(), available
outside book3s_hv_rm_mmu.c. This will be used by the HPT writing
code.
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/include/asm/kvm_book3s.h |3 +++
arch/powerpc/kvm/book3s_hv_rm_mmu.c | 19 +--
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_book3s.h
b/arch/powerpc/include/asm/kvm_book3s.h
index 199b7fd..4ac1c67 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -160,6 +160,9 @@ extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu,
unsigned long flags,
extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
long pte_index, unsigned long pteh, unsigned long ptel,
pgd_t *pgdir, bool realmode, unsigned long *idx_ret);
+extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
+ unsigned long pte_index, unsigned long avpn,
+ unsigned long *hpret);
extern long kvmppc_hv_get_dirty_log(struct kvm *kvm,
struct kvm_memory_slot *memslot, unsigned long *map);
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index c83c0ca..505548a 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -364,11 +364,10 @@ static inline int try_lock_tlbie(unsigned int *lock)
return old == 0;
}
-long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
-unsigned long pte_index, unsigned long avpn,
-unsigned long va)
+long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
+ unsigned long pte_index, unsigned long avpn,
+ unsigned long *hpret)
{
- struct kvm *kvm = vcpu-kvm;
unsigned long *hpte;
unsigned long v, r, rb;
struct revmap_entry *rev;
@@ -410,10 +409,18 @@ long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long
flags,
note_hpte_modification(kvm, rev);
unlock_hpte(hpte, 0);
- vcpu-arch.gpr[4] = v;
- vcpu-arch.gpr[5] = r;
+ hpret[0] = v;
+ hpret[1] = r;
return H_SUCCESS;
}
+EXPORT_SYMBOL_GPL(kvmppc_do_h_remove);
+
+long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
+unsigned long pte_index, unsigned long avpn)
+{
+ return kvmppc_do_h_remove(vcpu-kvm, flags, pte_index, avpn,
+ vcpu-arch.gpr[4]);
+}
long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
{
--
1.7.10.4
--
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[PATCH 4/5] KVM: PPC: Book3S HV: Make a HPTE removal function available
This makes a HPTE removal function, kvmppc_do_h_remove(), available
outside book3s_hv_rm_mmu.c. This will be used by the HPT writing
code.
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/include/asm/kvm_book3s.h |3 +++
arch/powerpc/kvm/book3s_hv_rm_mmu.c | 19 +--
2 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_book3s.h
b/arch/powerpc/include/asm/kvm_book3s.h
index 199b7fd..4ac1c67 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -160,6 +160,9 @@ extern long kvmppc_virtmode_h_enter(struct kvm_vcpu *vcpu,
unsigned long flags,
extern long kvmppc_do_h_enter(struct kvm *kvm, unsigned long flags,
long pte_index, unsigned long pteh, unsigned long ptel,
pgd_t *pgdir, bool realmode, unsigned long *idx_ret);
+extern long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
+ unsigned long pte_index, unsigned long avpn,
+ unsigned long *hpret);
extern long kvmppc_hv_get_dirty_log(struct kvm *kvm,
struct kvm_memory_slot *memslot, unsigned long *map);
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index c83c0ca..505548a 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -364,11 +364,10 @@ static inline int try_lock_tlbie(unsigned int *lock)
return old == 0;
}
-long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
-unsigned long pte_index, unsigned long avpn,
-unsigned long va)
+long kvmppc_do_h_remove(struct kvm *kvm, unsigned long flags,
+ unsigned long pte_index, unsigned long avpn,
+ unsigned long *hpret)
{
- struct kvm *kvm = vcpu-kvm;
unsigned long *hpte;
unsigned long v, r, rb;
struct revmap_entry *rev;
@@ -410,10 +409,18 @@ long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long
flags,
note_hpte_modification(kvm, rev);
unlock_hpte(hpte, 0);
- vcpu-arch.gpr[4] = v;
- vcpu-arch.gpr[5] = r;
+ hpret[0] = v;
+ hpret[1] = r;
return H_SUCCESS;
}
+EXPORT_SYMBOL_GPL(kvmppc_do_h_remove);
+
+long kvmppc_h_remove(struct kvm_vcpu *vcpu, unsigned long flags,
+unsigned long pte_index, unsigned long avpn)
+{
+ return kvmppc_do_h_remove(vcpu-kvm, flags, pte_index, avpn,
+ vcpu-arch.gpr[4]);
+}
long kvmppc_h_bulk_remove(struct kvm_vcpu *vcpu)
{
--
1.7.10.4
--
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