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Re: [Qemu-trivial] [PATCH v2 2/7] hw/mips/mips_jazz.c: Store irq array i


From: Shannon Zhao
Subject: Re: [Qemu-trivial] [PATCH v2 2/7] hw/mips/mips_jazz.c: Store irq array in MachineState to fix memory leak
Date: Thu, 04 Jun 2015 23:09:11 +0800
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0



On 2015/6/4 22:57, Michael Tokarev wrote:
04.06.2015 17:51, Shannon Zhao wrote:
>Yeah, but I think something like below would work.
>
>     cpu_exit_irq = &qemu_allocate_irq(cpu_request_exit, NULL, 0);
>     DMA_init(0, cpu_exit_irq);
NO!!!:)

Hmm...really?

This is used by DMA_schedule.

void DMA_schedule(int nchan)
{
    struct dma_cont *d = &dma_controllers[nchan > 3];

    qemu_irq_pulse(*d->cpu_request_exit);
}

--
Shannon



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