On Mar 2, 2013, at 7:45 AM, Peter Maydell wrote:
> On 2 March 2013 15:18, Sanjay Lal <sanjayl@xxxxxxxxxxx> wrote:
>> + /* If we have an interrupt but the guest is not ready to receive an
>> + * interrupt, request an interrupt window exit. This will
>> + * cause a return to userspace as soon as the guest is ready to
>> + * receive interrupts.
>> + */
>> + if ((env->interrupt_request & CPU_INTERRUPT_HARD)) {
>> + run->request_interrupt_window = 1;
>> + } else {
>> + run->request_interrupt_window = 0;
>> + }
>> +}
>
> Does MIPS really need x86-style fully-synchronised delivery
> of interrupts from userspace to the kernel? Don't copy x86
> unless you know it's really what your architecture requires.
>
> -- PMM
>
Sorry my bad, this was from an older snapshot of the code. The whole request_interrupt_window code has been deprecated and will be removed from the v2 of patch set.
Regards
Sanjay
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