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Date:   Thu, 23 Jul 2020 07:20:35 +0800
From:   Boqun Feng <>
To:     Wei Liu <>
Cc:,,,,, "K. Y. Srinivasan" <>,
        Haiyang Zhang <>,
        Stephen Hemminger <>,
        Jiri Kosina <>,
        Benjamin Tissoires <>,
        Dmitry Torokhov <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        "James E.J. Bottomley" <>,
        "Martin K. Petersen" <>,
        Michael Kelley <>
Subject: Re: [RFC 01/11] Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for

On Tue, Jul 21, 2020 at 03:22:18PM +0000, Wei Liu wrote:
> On Tue, Jul 21, 2020 at 09:41:25AM +0800, Boqun Feng wrote:
> > Since the hypervisor always uses 4K as its page size, the size of PFNs
> > used for gpadl should be HV_HYP_PAGE_SIZE rather than PAGE_SIZE, so
> > adjust this accordingly as the preparation for supporting 16K/64K page
> > size guests.
> It may be worth calling out there is no change on x86 because
> HV_HYP_PAGE_SHIFT and PAGE_SHIFT are of the same value there.

Sure, I will call it out in the commit log of the next version, thanks!


> Wei.

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