[PATCH V2 1/10] X86/Hyper-V: Add parameter offset for hyperv_fill_flush_guest_mapping_list()

[lantianyu1986]

From: Lan Tianyu <tianyu....@microsoft.com>

Add parameter offset to specify start position to add flush ranges in
guest address list of struct hv_guest_mapping_flush_list.

Signed-off-by: Lan Tianyu <tianyu....@microsoft.com>
---
arch/x86/hyperv/nested.c        | 4 ++--
 arch/x86/include/asm/mshyperv.h | 2 +-
 arch/x86/kvm/vmx/vmx.c          | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/hyperv/nested.c b/arch/x86/hyperv/nested.c
index dd0a843f766d..96f8bac7476d 100644
--- a/arch/x86/hyperv/nested.c
+++ b/arch/x86/hyperv/nested.c
@@ -58,11 +58,11 @@ EXPORT_SYMBOL_GPL(hyperv_flush_guest_mapping);
 
 int hyperv_fill_flush_guest_mapping_list(
                struct hv_guest_mapping_flush_list *flush,
-               u64 start_gfn, u64 pages)
+               int offset, u64 start_gfn, u64 pages)
 {
        u64 cur = start_gfn;
        u64 additional_pages;
-       int gpa_n = 0;
+       int gpa_n = offset;
 
        do {
                /*
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index cc60e617931c..d6be685ab6b0 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -357,7 +357,7 @@ int hyperv_flush_guest_mapping_range(u64 as,
                hyperv_fill_flush_list_func fill_func, void *data);
 int hyperv_fill_flush_guest_mapping_list(
                struct hv_guest_mapping_flush_list *flush,
-               u64 start_gfn, u64 end_gfn);
+               int offset, u64 start_gfn, u64 end_gfn);
 
 #ifdef CONFIG_X86_64
 void hv_apic_init(void);
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index f6915f10e584..9d954b4adce3 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -428,7 +428,7 @@ int kvm_fill_hv_flush_list_func(struct 
hv_guest_mapping_flush_list *flush,
 {
        struct kvm_tlb_range *range = data;
 
-       return hyperv_fill_flush_guest_mapping_list(flush, range->start_gfn,
+       return hyperv_fill_flush_guest_mapping_list(flush, 0, range->start_gfn,
                        range->pages);
 }
 
-- 
2.14.4

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