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    Subject[PATCH 1/11] X86/Hyper-V: Add parameter offset for hyperv_fill_flush_guest_mapping_list()
    Date
    From: Lan Tianyu <Tianyu.Lan@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.Lan@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 87224e4c2fd9..2c159efedc40 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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