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Re: [Qemu-devel] [RFC PATCH 1/7] devicetree: Add 8k instead of double dt
From: |
Grant Likely |
Subject: |
Re: [Qemu-devel] [RFC PATCH 1/7] devicetree: Add 8k instead of double dtb size when reserving extra memory |
Date: |
Fri, 9 Apr 2010 08:55:56 -0600 |
On Fri, Apr 9, 2010 at 6:00 AM, Paul Brook <address@hidden> wrote:
>> If a small 'seed' dtb file is loaded into qemu and then heavily modified
>> (say for runtime population of all the device nodes), then 2x the dtb
>> size turns out not to be very much.
>>
>> This patch changes the device tree loading code to add a fixed 8k of
>> additional space to the dtb buffer.
>
> In that case you almost certainly want double+8k. Or have the calleee tell you
> how much they're expecting to grow the tree.
Good point. I think I like the latter option.
g.
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
- [Qemu-devel] [RFC PATCH 0/7] QEMU patches to generate FDT from qdevs, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 1/7] devicetree: Add 8k instead of double dtb size when reserving extra memory, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 2/7] devicetree: auto-populate the device tree with qdev data, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 3/7] devicetree: add helper for determining IRQ properties in the device tree, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 4/7] devicetree: Add sysbus fdt populate hooks., Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 5/7] devicetree: Add helper to register devices with an fdt_populate hook, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 6/7] devicetree: Add fdt_populate hook to pl011 device, Grant Likely, 2010/04/07
- [Qemu-devel] [RFC PATCH 7/7] devicetree: Add fdt_populate hook to smc91x device, Grant Likely, 2010/04/07
- [Qemu-devel] Re: [RFC PATCH 0/7] QEMU patches to generate FDT from qdevs, Jeremy Kerr, 2010/04/07
- Re: [Qemu-devel] [RFC PATCH 0/7] QEMU patches to generate FDT from qdevs, Blue Swirl, 2010/04/07