[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 0/2] exclude hyperv synic sections from vhost

From: Vitaly Kuznetsov
Subject: Re: [PATCH 0/2] exclude hyperv synic sections from vhost
Date: Thu, 09 Jan 2020 10:07:50 +0100

Jason Wang <address@hidden> writes:

> On 2020/1/8 下午9:53, Dr. David Alan Gilbert (git) wrote:
>> From: "Dr. David Alan Gilbert" <address@hidden>
>> Hyperv's synic (that we emulate) is a feature that allows the guest
>> to place some magic (4k) pages of RAM anywhere it likes in GPA.
>> This confuses vhost's RAM section merging when these pages
>> land over the top of hugepages.
> Hi David:
> A silly question, is this because the alignment when adding sections? If 
> yes, what's the reason for doing alignment which is not a must for vhost 
> memory table.

SynIC regions are two 4k pages and they are picked by the guest, not the
host. These can be anywhere in guest's ram.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]