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RE: [PATCH] Change AllocatePage to use ExAllocatePoolWithTag
- To: "paul@xxxxxxx" <paul@xxxxxxx>, "win-pv-devel@xxxxxxxxxxxxxxxxxxxx" <win-pv-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Martin Harvey <martin.harvey@xxxxxxxxxx>
- Date: Tue, 13 Jul 2021 08:58:32 +0000
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- List-id: Developer list for the Windows PV Drivers subproject <win-pv-devel.lists.xenproject.org>
- Thread-index: AQHXcw87fHf7Qwb5uU2wdCPUfVSNNKs/vOyAgADnUNA=
- Thread-topic: [PATCH] Change AllocatePage to use ExAllocatePoolWithTag
NB. We also have a xenvif patch with a corresponding change that we were going
to push up, so this is all or nothing for both xenbus or xenvif.
MH.
-----Original Message-----
From: win-pv-devel <win-pv-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of
Paul Durrant
Sent: 12 July 2021 20:10
To: win-pv-devel@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [PATCH] Change AllocatePage to use ExAllocatePoolWithTag
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On 07/07/2021 09:54, Martin Harvey wrote:
> From: Owen Smith <owen.smith@xxxxxxxxxx>
>
> Windows appears to have an edge case bug in which zeroing memory using
> MmAllocatePAgesForMdlEx (which in Win 10 1803 happens even if you
> specify MM_DONT_ZERO_ALLOCATION) can cause a BSOD 139 1e.
It is my understanding that this bug was fixed. Is this not the case?
Paul
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