nanosecond delay in kernel module
Roman Kurakin
rik at inse.ru
Tue Aug 15 20:23:47 UTC 2006
Hi,
Julian Elischer:
> m.ehinger at ltur.de wrote:
>
>> Hi,
>>
>> what is the official way to delay in a kernel module for about 10
>> nanoseconds (1/1,000,000,000th second).
>>
>> I found DELAY(9), but it uses microseconds (1/1,000,000th second).
>>
>>
>
> at this time there is none. maybe you can write one?
> You probably need to find some machine instructions with a known delay
Probably PCI read/write ...
rik
>
>> Any help would be appeciated
>>
>> Maik
>>
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