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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] [RFC] Memory API |
Date: | Thu, 19 May 2011 17:40:50 +0300 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Thunderbird/3.1.10 |
On 05/19/2011 05:37 PM, Anthony Liguori wrote:
So.... do you do: isa_register_region(ISABus *bus, MemoryRegion *mr, int priority) { chipset_register_region(bus->chipset, mr, priority + 1); }I don't really understand how you can fold everything into one table and not allow devices to override their parents using priorities.
Think of how a window manager folds windows with priorities onto a flat framebuffer.
You do a depth-first walk of the tree. For each child list, you iterate it from the lowest to highest priority, allowing later subregions override earlier subregions.
-- error compiling committee.c: too many arguments to function
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