summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMarc Zyngier <marc.zyngier@arm.com>2012-10-27 18:23:25 +0100
committerChristoffer Dall <cdall@cs.columbia.edu>2013-03-06 15:48:44 -0800
commit9c7a6432fb081563f084b25bbd2774b1547c4fad (patch)
treea5aa3aa416b762feae8ea424f1ba374d30268592
parente7858c58d52237a4519e2fdb1ce8f2d9805ce0ce (diff)
ARM: KVM: use kvm_kernel_vfp_t as an abstract type for VFP containers
In order to keep the VFP allocation code common, use an abstract type for the VFP containers. Maps onto struct vfp_hard_struct on ARM. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
-rw-r--r--arch/arm/include/asm/kvm_host.h6
-rw-r--r--arch/arm/kvm/arm.c6
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index f00a557c107..0c4e643d939 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -87,6 +87,8 @@ struct kvm_vcpu_fault_info {
u32 hyp_pc; /* PC when exception was taken from Hyp mode */
};
+typedef struct vfp_hard_struct kvm_kernel_vfp_t;
+
struct kvm_vcpu_arch {
struct kvm_regs regs;
@@ -103,8 +105,8 @@ struct kvm_vcpu_arch {
struct kvm_vcpu_fault_info fault;
/* Floating point registers (VFP and Advanced SIMD/NEON) */
- struct vfp_hard_struct vfp_guest;
- struct vfp_hard_struct *vfp_host;
+ kvm_kernel_vfp_t vfp_guest;
+ kvm_kernel_vfp_t *vfp_host;
/* VGIC state */
struct vgic_cpu vgic_cpu;
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 3c7c50a6a28..f0530499dec 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -49,7 +49,7 @@ __asm__(".arch_extension virt");
#endif
static DEFINE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page);
-static struct vfp_hard_struct __percpu *kvm_host_vfp_state;
+static kvm_kernel_vfp_t __percpu *kvm_host_vfp_state;
static unsigned long hyp_default_vectors;
/* Per-CPU variable containing the currently running vcpu. */
@@ -908,7 +908,7 @@ static int init_hyp_mode(void)
/*
* Map the host VFP structures
*/
- kvm_host_vfp_state = alloc_percpu(struct vfp_hard_struct);
+ kvm_host_vfp_state = alloc_percpu(kvm_kernel_vfp_t);
if (!kvm_host_vfp_state) {
err = -ENOMEM;
kvm_err("Cannot allocate host VFP state\n");
@@ -916,7 +916,7 @@ static int init_hyp_mode(void)
}
for_each_possible_cpu(cpu) {
- struct vfp_hard_struct *vfp;
+ kvm_kernel_vfp_t *vfp;
vfp = per_cpu_ptr(kvm_host_vfp_state, cpu);
err = create_hyp_mappings(vfp, vfp + 1);