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
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