This patch adds vcpu fields to track lazy state, save host FPEXC, and
offsets to fields.
Signed-off-by: Mario Smarduch <m.smard...@samsung.com>
---
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 3df1e97..f1bf551 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -107,6 +107,12 @@ struct kvm_vcpu_arch {
/* Interrupt related fields */
u32 irq_lines; /* IRQ and FIQ levels */
+ /* fp/simd dirty flag true if guest accessed register file */
+ bool vfp_dirty;
+
+ /* Save host FPEXC register to later restore on vcpu put */
+ u32 host_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..9f79712 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_DIRTY, offsetof(struct kvm_vcpu, arch.vfp_dirty));
+ DEFINE(VCPU_VFP_HOST_FPEXC, offsetof(struct kvm_vcpu, arch.host_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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