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Re: [PATCH v3 14/22] microvm: use 2G split unconditionally
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From: |
Gerd Hoffmann |
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Subject: |
Re: [PATCH v3 14/22] microvm: use 2G split unconditionally |
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Date: |
Mon, 25 May 2020 13:45:08 +0200 |
On Thu, May 21, 2020 at 11:29:21AM +0200, Igor Mammedov wrote:
> On Wed, 20 May 2020 15:19:55 +0200
> Gerd Hoffmann <address@hidden> wrote:
>
> > Looks like the logiv was copied over from q35.
> >
> > q35 does this for backward compatibility, there is no reason to do this
> > on microvm though. So split @ 2G unconditionally.
>
> not related to your ACPI rework, but just an idea for future of microvm
>
> I wonder if we should carry over all this fixed RAM layout legacy from pc/q35
> with a bunch of knobs to tweak it (along with complicated logic).
Well, I think we can (should) drop max-ram-below-4g too. There is
no reason to use that with microvm, other that shooting yourself into
the foot (by making mmio overlap with ram).
With that being gone too there isn't much logic left ...
take care,
Gerd
- [PATCH v3 22/22] [RfC] acpi: flip default to off for microvm, (continued)
- [PATCH v3 22/22] [RfC] acpi: flip default to off for microvm, Gerd Hoffmann, 2020/05/20
- [PATCH v3 09/22] acpi: ged: rename event memory region, Gerd Hoffmann, 2020/05/20
- [PATCH v3 14/22] microvm: use 2G split unconditionally, Gerd Hoffmann, 2020/05/20
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Philippe Mathieu-Daudé, 2020/05/20
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/21
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/21
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally,
Gerd Hoffmann <=
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/25
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Gerd Hoffmann, 2020/05/26
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/27
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Paolo Bonzini, 2020/05/27
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/27
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Igor Mammedov, 2020/05/27
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Paolo Bonzini, 2020/05/27
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Gerd Hoffmann, 2020/05/28
- Re: [PATCH v3 14/22] microvm: use 2G split unconditionally, Gerd Hoffmann, 2020/05/28
[PATCH v3 13/22] x86: coldplug cpus, Gerd Hoffmann, 2020/05/20