linux-kernel - Re: [PATCH v4 00/11] Hyper-V: Support PAGE

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Message-ID: <20200928085952.t5ji5rjl3h6g7zks@liuwe-devbox-debian-v2>
Date:   Mon, 28 Sep 2020 08:59:52 +0000
From:   Wei Liu <wei.liu@...nel.org>
To:     Boqun Feng <boqun.feng@...il.com>
Cc:     linux-hyperv@...r.kernel.org, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Michael Kelley <mikelley@...rosoft.com>, will@...nel.org,
        ardb@...nel.org, arnd@...db.de, catalin.marinas@....com,
        mark.rutland@....com, maz@...nel.org
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: https://lore.kernel.org/lkml/20200721014135.84140-1-boqun.feng@gmail.com/
> v2: https://lore.kernel.org/lkml/20200902030107.33380-1-boqun.feng@gmail.com
> v3: https://lore.kernel.org/lkml/20200910143455.109293-1-boqun.feng@gmail.com/
> 
> 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]: https://lore.kernel.org/lkml/1598287583-71762-1-git-send-email-mikelley@microsoft.com/
> 
> 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.

Wei.