linux-kernel - Re: [PATCH 0/2] Drivers: hv: Specify buffer size using Hyper-V page size

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Message-ID: <20191004152933.GI17454@sasha-vm>
Date:   Fri, 4 Oct 2019 11:29:33 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     Michael Kelley <mikelley@...rosoft.com>
Cc:     Himadri Pandya <himadrispandya@...il.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "himadri18.07" <himadri18.07@...il.com>
Subject: Re: [PATCH 0/2] Drivers: hv: Specify buffer size using Hyper-V page
 size

On Wed, Sep 04, 2019 at 11:40:21PM +0000, Michael Kelley wrote:
>From: Himadri Pandya <himadrispandya@...il.com>  Sent: Wednesday, July 24, 2019 10:03 PM
>>
>> recv_buffer and VMbus ring buffers are sized based on guest page size
>> which Hyper-V assumes to be 4KB. It might not be the case for some
>> architectures. Hence instead use the Hyper-V page size.
>>
>> Himadri Pandya (2):
>>   Drivers: hv: Specify receive buffer size using Hyper-V page size
>>   Drivers: hv: util: Specify ring buffer size using Hyper-V page size
>>
>>  drivers/hv/hv_fcopy.c    |  3 ++-
>>  drivers/hv/hv_kvp.c      |  3 ++-
>>  drivers/hv/hv_snapshot.c |  3 ++-
>>  drivers/hv/hv_util.c     | 13 +++++++------
>>  4 files changed, 13 insertions(+), 9 deletions(-)
>>
>> --
>> 2.17.1
>
>Thomas -- can you pick up this patch set in the x86/hyperv branch
>of your tip tree along with the other patches to fix wrong page size
>assumptions?

I've queued these two for hyperv-next, thanks!

-- 
Thanks,
Sasha