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Date:   Mon, 22 Apr 2019 09:25:31 -0400
From:   Sasha Levin <>
To:     Greg KH <>
Subject: Re: [GIT PULL] Hyper-V commits for 5.1


On Wed, Apr 17, 2019 at 08:41:57AM -0400, Sasha Levin wrote:
>On Wed, Apr 17, 2019 at 08:28:54AM +0200, Greg KH wrote:
>>On Tue, Apr 16, 2019 at 09:34:51PM -0400, Sasha Levin wrote:
>>> 2. Fix to show monitor data only when monitor pages are actually
>>>allocated, also by Kimberly Brown.
>>That's not really a "fix", more like a "new feature", right?
>This is (sadly) a fix; we access invalid memory or leak kernel memory to
>userspace if we access the monitor sysfs files when there are no monitor
>pages allocated.
>>> drivers/hv/vmbus_drv.c                   | 166 +++++++++++++++++++++++++------
>>A patch this big so late in the release cycle is not good.
>Indeed, but I've had it in my queue for a few weeks now so it's been
>receiving a good amount of testing - it's not something we came up with
>a few days ago.
>>Can you drop this one and resend the others?  If you sent this as a
>>patch series, I could have done it that way on my own :)
>I would prefer if you could take it in. While it's on the bigger side, a
>lot of it is documentation (and comments!), and the code itself is
>straightforward and was well reviewed over 6 iterations of the original

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