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Date:      Wed, 15 Jul 2020 13:42:31 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 222996] FreeBSD 11.1-12 on Hyper-V with PCI Express Pass Through
Message-ID:  <bug-222996-27103-2Dh1TZXnby@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-222996-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-222996-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222996

--- Comment #31 from Wei Hu <weh@microsoft.com> ---
Created attachment 216468
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D216468&action=
=3Dedit
Proposed patch to reserve io sapce 0xf8000000 - 0xf87fffff on HyperV

This patch is for test. It reserves 8MB mmio space from 0xf8000000 from bei=
ng
used by any other PCI devices on HyperV. I would expect it succeeds on Gen2=
 VM
and fails on Gen1 VM.

--=20
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