On Mon, Dec 14, 2015 at 10:35 AM, Paolo Bonzini wrote:
>
>
> On 14/12/2015 09:41, Alvise Rigo wrote:
>> +static inline void excl_history_put_addr(CPUState *cpu, hwaddr addr)
>> +{
>> +/* Avoid some overhead if the address we are about to put is equal to
>> + * the last one */
>> +if (c
On 14/12/2015 09:41, Alvise Rigo wrote:
> +static inline void excl_history_put_addr(CPUState *cpu, hwaddr addr)
> +{
> +/* Avoid some overhead if the address we are about to put is equal to
> + * the last one */
> +if (cpu->excl_protected_addr[cpu->excl_protected_last] !=
> +
Add a circular buffer to store the hw addresses used in the last
EXCLUSIVE_HISTORY_LEN exclusive accesses.
When an address is pop'ed from the buffer, its page will be set as not
exclusive. In this way, we avoid:
- frequent set/unset of a page (causing frequent flushes as well)
- the possibility to
