Messages in this thread | | | Date | Mon, 13 Jan 2003 12:36:57 -0800 | From | Ross Biro <> | Subject | Re: Linux 2.4.21-pre3-ac4 |
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Alan Cox wrote:
>On Mon, 2003-01-13 at 19:32, Ross Biro wrote: > > >>One thing we could do to solve this entire problem is wait for the >>interrupt to finish before sending the command to the drive in the first >>place. Basically in ide_do_request we just have to change >> >> > > > > >> if (!masked_irq) { >> disable_irq_sync(hwif->irq); >> } >> >> > >You cannot disable an IRQ synchronously holding a spin lock taken by an >IRQ handler > >
You are correct, you have to drop the spinlock first. And it doesn't really help anyway.
Ross
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