linux-kernel - Re: [PATCH V3 1/10] X86/Hyper-V: Add parameter offset for hyperv_fill_flush_guest_mapping

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Message-ID: <CAOLK0pzVwH-1pObn3FjmLorc_pjLu2q0Q_EG4iYm3yb2aXL7PQ@mail.gmail.com>
Date:   Tue, 26 Feb 2019 21:00:03 +0800
From:   Tianyu Lan <lantianyu1986@...il.com>
To:     Stephen Hemminger <sthemmin@...rosoft.com>
Cc:     Tianyu Lan <Tianyu.Lan@...rosoft.com>,
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Subject: Re: [PATCH V3 1/10] X86/Hyper-V: Add parameter offset for hyperv_fill_flush_guest_mapping_list()

Hi Stephen:
               Thanks for your review.
On Sat, Feb 23, 2019 at 1:08 AM Stephen Hemminger
<sthemmin@...rosoft.com> wrote:
>
> 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 {
>                 /*
>
> Do you mean to support negative offsets here? Maybe unsigned would be better?

Yes, this makes sense. Will update. Thanks.

-- 
Best regards
Tianyu Lan