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Re: [Qemu-devel] [RFC] Memory API

From: Jan Kiszka
Subject: Re: [Qemu-devel] [RFC] Memory API
Date: Wed, 18 May 2011 21:40:21 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 
On 2011-05-18 15:12, Avi Kivity wrote:
> void cpu_register_memory_region(MemoryRegion *mr, target_phys_addr_t addr);

OK, let's allow overlapping, but make it explicit:

void cpu_register_memory_region_overlap(MemoryRegion *mr,
                                        target_phys_addr_t addr,
                                        int priority);

We need that ordering, so we need an interface. Regions registered via
cpu_register_memory_region must not overlap with existing one or we will
throw an hwerror. And they shall get a low default priority.

Jan

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