This patch adds vcpu fields to track lazy state, save host FPEXC, and
offsets to fields.
Signed-off-by: Mario Smarduch <m.smarduch@xxxxxxxxxxx>
---
arch/arm/include/asm/kvm_host.h | 6 ++++++
arch/arm/kernel/asm-offsets.c | 2 ++
2 files changed, 8 insertions(+)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index dcba0fa..194a8ef 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -111,6 +111,12 @@ struct kvm_vcpu_arch {
/* Interrupt related fields */
u32 irq_lines; /* IRQ and FIQ levels */
+ /* Track fp/simd lazy switch state */
+ u32 vfp_lazy;
+
+ /* Save host FPEXC register to restore on vcpu put */
+ u32 saved_fpexc;
+
/* Exception Information */
struct kvm_vcpu_fault_info fault;
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 871b826..e1c3a41 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -186,6 +186,8 @@ int main(void)
DEFINE(VCPU_CPSR, offsetof(struct kvm_vcpu, arch.regs.usr_regs.ARM_cpsr));
DEFINE(VCPU_HCR, offsetof(struct kvm_vcpu, arch.hcr));
DEFINE(VCPU_IRQ_LINES, offsetof(struct kvm_vcpu, arch.irq_lines));
+ DEFINE(VCPU_VFP_LAZY, offsetof(struct kvm_vcpu, arch.vfp_lazy));
+ DEFINE(VCPU_VFP_FPEXC, offsetof(struct kvm_vcpu, arch.saved_fpexc));
DEFINE(VCPU_HSR, offsetof(struct kvm_vcpu, arch.fault.hsr));
DEFINE(VCPU_HxFAR, offsetof(struct kvm_vcpu, arch.fault.hxfar));
DEFINE(VCPU_HPFAR, offsetof(struct kvm_vcpu, arch.fault.hpfar));
--
1.9.1
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