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Date:   Mon, 28 Sep 2020 08:59:52 +0000
From:   Wei Liu <>
To:     Boqun Feng <>
        "K. Y. Srinivasan" <>,
        Haiyang Zhang <>,
        Stephen Hemminger <>,
        Wei Liu <>, Jiri Kosina <>,
        Benjamin Tissoires <>,
        Dmitry Torokhov <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        "James E.J. Bottomley" <>,
        "Martin K. Petersen" <>,
        Michael Kelley <>,,,,,,
Subject: Re: [PATCH v4 00/11] Hyper-V: Support PAGE_SIZE larger than 4K

On Wed, Sep 16, 2020 at 11:48:06AM +0800, Boqun Feng wrote:
> This patchset add the necessary changes to support guests whose page
> size is larger than 4K. And the main architecture which we develop this
> for is ARM64 (also it's the architecture that I use to test this
> feature).
> Previous version:
> v1:
> v2:
> v3:
> Changes since v3:
> *	Fix a bug that ringbuffer sizes are not page-aligned when
> 	PAGE_SIZE = 16k. Drop the Acked-by and Reviewed-by tags for
> 	those patches accordingly.
> *	Code improvement as per suggestion from Michael Kelley.
> I've done some tests with PAGE_SIZE=64k and PAGE_SIZE=16k configurations
> on ARM64 guests (with Michael's patchset[1] for ARM64 Hyper-V guest
> support), everything worked fine ;-)
> Looking forwards to comments and suggestions!
> Regards,
> Boqun
> [1]:
> Boqun Feng (11):
>   Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for gpadl
>   Drivers: hv: vmbus: Move __vmbus_open()
>   Drivers: hv: vmbus: Introduce types of GPADL
>   Drivers: hv: Use HV_HYP_PAGE in hv_synic_enable_regs()
>   Drivers: hv: vmbus: Move virt_to_hvpfn() to hyperv header
>   hv: hyperv.h: Introduce some hvpfn helper functions
>   hv_netvsc: Use HV_HYP_PAGE_SIZE for Hyper-V communication
>   Input: hyperv-keyboard: Use VMBUS_RING_SIZE() for ringbuffer sizes
>   HID: hyperv: Use VMBUS_RING_SIZE() for ringbuffer sizes
>   Driver: hv: util: Use VMBUS_RING_SIZE() for ringbuffer sizes
>   scsi: storvsc: Support PAGE_SIZE larger than 4K

Series applied to hyperv-next.

I also replaced the tabs with spaces in the commit messages of patch 8
through patch 10.


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