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Re: [Qemu-devel] [PATCH v3 19/23] memory: per-AddressSpace dispatch
From: |
Avi Kivity |
Subject: |
Re: [Qemu-devel] [PATCH v3 19/23] memory: per-AddressSpace dispatch |
Date: |
Thu, 11 Oct 2012 10:31:46 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120911 Thunderbird/15.0.1 |
On 10/11/2012 05:38 AM, liu ping fan wrote:
>>
>> +void address_space_init_dispatch(AddressSpace *as)
>> +{
>> + AddressSpaceDispatch *d = g_new(AddressSpaceDispatch, 1);
>> +
>> + d->phys_map = (PhysPageEntry) { .ptr = PHYS_MAP_NODE_NIL, .is_leaf = 0
>> };
>> + d->listener = (MemoryListener) {
>> + .begin = mem_begin,
>> + .region_add = mem_add,
>
> mem_add() has the fixed mapping relationship between addr(in
> system_memory) and mr. If we want to fold lookup logic of iommu into
> radix-tree, it will need external behavior. So I think
> address_space_init_dispatch(as) should be
> address_space_init_dispatch(as, listener).
This is per address space, it's not tied to system_memory().
--
error compiling committee.c: too many arguments to function
- [Qemu-devel] [PATCH v3 15/23] memory: move address_space_memory and address_space_io out of memory core, (continued)
[Qemu-devel] [PATCH v3 11/23] xen_pt: drop no-op MemoryListener callbacks, Avi Kivity, 2012/10/09
[Qemu-devel] [PATCH v3 16/23] memory: move tcg flush into a tcg memory listener, Avi Kivity, 2012/10/09
[Qemu-devel] [PATCH v3 05/23] memory: prepare AddressSpace for exporting, Avi Kivity, 2012/10/09
Message not available
Re: [Qemu-devel] [PULL v3 00/23] Integrate DMA into the memory API, Anthony Liguori, 2012/10/11