On Mon, May 27, 2013 at 7:54 PM, Paolo Bonzini wrote:
> Il 26/05/2013 15:02, liu ping fan ha scritto:
>> [...]
>> +static PhysPageTable *cur_pgtbl;
>> +static PhysPageTable *next_pgtbl;
>
> You shouldn't need cur_pgtbl. Instead, each AddressSpaceDispatch should
> have a pointe
Il 26/05/2013 15:02, liu ping fan ha scritto:
> [...]
> +static PhysPageTable *cur_pgtbl;
> +static PhysPageTable *next_pgtbl;
You shouldn't need cur_pgtbl. Instead, each AddressSpaceDispatch should
have a pointer to its own cur_pgtbl. In the commit hook you can then
t
[...]
+static PhysPageTable *cur_pgtbl;
+static PhysPageTable *next_pgtbl;
>>>
>>> You shouldn't need cur_pgtbl. Instead, each AddressSpaceDispatch should
>>> have a pointer to its own cur_pgtbl. In the commit hook you can then
>>> take a lock, unref the old table, assign cur_pgtbl = ne
On Tue, May 14, 2013 at 5:27 PM, Paolo Bonzini wrote:
> Il 14/05/2013 05:38, liu ping fan ha scritto:
+struct PhysPageTable {
+int ref;
+PhysSection *phys_sections;
+unsigned phys_sections_nb;
+unsigned phys_sections_nb_alloc;
+uint16_t phys_sectio
Il 14/05/2013 05:38, liu ping fan ha scritto:
>>> +struct PhysPageTable {
>>> +int ref;
>>> +PhysSection *phys_sections;
>>> +unsigned phys_sections_nb;
>>> +unsigned phys_sections_nb_alloc;
>>> +uint16_t phys_section_unassigned;
>>> +uint16_t phys_section_notdirty;
>>> +
On Mon, May 13, 2013 at 5:20 PM, Paolo Bonzini wrote:
> Il 13/05/2013 05:21, Liu Ping Fan ha scritto:
>> From: Liu Ping Fan
>>
>> Now, each AddressSpaceDispatch has its own radix-tree, and all of them
>> lie on phys_section[] and phys_map_nodes[]. When we want lockless
>> mmio dispatch, we need s
Il 13/05/2013 05:21, Liu Ping Fan ha scritto:
> From: Liu Ping Fan
>
> Now, each AddressSpaceDispatch has its own radix-tree, and all of them
> lie on phys_section[] and phys_map_nodes[]. When we want lockless
> mmio dispatch, we need something like RCU.
>
> Acheive this with PhysPageTable which
From: Liu Ping Fan
Now, each AddressSpaceDispatch has its own radix-tree, and all of them
lie on phys_section[] and phys_map_nodes[]. When we want lockless
mmio dispatch, we need something like RCU.
Acheive this with PhysPageTable which contains all of the info for all
radix trees. After all add
