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x86/hyper-v: Add HvFlushGuestAddressList hypercall support

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Hyper-V provides HvFlushGuestAddressList() hypercall to flush EPT tlb
with specified ranges. This patch is to add the hypercall support.

Reviewed-by:  Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Lan Tianyu
2018-12-06 21:21:05 +08:00
committed by Paolo Bonzini
parent a49b96352e
commit cc4edae4b9
4 changed files with 141 additions and 0 deletions
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14
arch/x86/include/asm/trace/hyperv.h
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@@ -42,6 +42,20 @@ TRACE_EVENT(hyperv_nested_flush_guest_mapping,
TP_printk("address space %llx ret %d", __entry->as, __entry->ret)
);
TRACE_EVENT(hyperv_nested_flush_guest_mapping_range,
TP_PROTO(u64 as, int ret),
TP_ARGS(as, ret),
TP_STRUCT__entry(
__field(u64, as)
__field(int, ret)
),
TP_fast_assign(__entry->as = as;
__entry->ret = ret;
),
TP_printk("address space %llx ret %d", __entry->as, __entry->ret)
);
TRACE_EVENT(hyperv_send_ipi_mask,
TP_PROTO(const struct cpumask *cpus,
int vector),