Re: forcedeth: option to disable 100Hz timer (try 2)

From: Andrew Morton
Date: Wed Sep 10 2008 - 19:32:48 EST

On Tue, 9 Sep 2008 23:34:35 +0400
Mikhail Kshevetskiy <mikhail.kshevetskiy@xxxxxxxxx> wrote:

> On some hardware no TX done interrupts are generated, thus special
> 100Hz timer interrupt is required to handle this situation properly.
> Other device do not require that timer interrupt feature.
> Forcedeth has a DEV_NEED_TIMERIRQ flag to mark the broken devices.
> Unfortunately, nobody know the actual list of broken devices, so all
> device has this flag on. Other problem, this flag is not user visible,
> so the kernel recompilation is required to disable timer interrupts and
> test a device.
> This patch add a "disable_timerirq" option to disable interrupt
> timer mentioned above. This may be extremely useful for laptop users.

Why do you feel that the timer-based completions need to be disabled?
Is it causing some problem?
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