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Re: [PATCH v1] libxc/bitops: increase potential size of bitmaps

To: Olaf Hering <olaf@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Date: Thu, 24 Sep 2020 21:12:23 +0100
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Cc: Ian Jackson <iwj@xxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
Delivery-date: Thu, 24 Sep 2020 20:12:53 +0000
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List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On 24/09/2020 19:08, Olaf Hering wrote:
> If the bitmap is used to represent domU pages, the amount of memory is
> limited to 8TB due to the 32bit value. Adjust the code to use 64bit
> values as input. All callers already use some form of 64bit as input,
> so no further adjustment is required.
>
> Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>

Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

I definitely should have pushed harder to do this the first time around...

References:
- [PATCH v1] libxc/bitops: increase potential size of bitmaps
  - From: Olaf Hering

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