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SubjectRe: race in usbnet.c in full RT
Steven Rostedt wrote:
> On Wed, 2005-06-08 at 12:34 +0200, Ingo Molnar wrote:
>
>>* Eugeny S. Mints <emints@ru.mvista.com> wrote:
>>
>>
>>>seems there is a race in drivers/net/usbnet.c in full RT mode. To be
>>>honest I haven't hardly checked this on the latest kernel and latest
>>>RT patch but just took a look at usbnet.c and latest RT patch and
>>>haven't observed any related changes.
>>
>>thanks, i've applied your patch to my tree. Note that your patch is
>>specific to the -RT kernel (both in terms of semantics and in term of
>>API dependence), so it does not make any sense to apply it upstream.
>>David, please ignore it.
>>
>
>
> Is this action only take place on the same CPU, or is this also an SMP
> problem? I would think if this is a race with full RT, that this may
> also be a race with SMP, unless the race is guaranteed to always happen
> on the same CPU. Then this is only a RT problem.
thanks, good point. looks like it could be SMP problem but probably
David is able to say it for sure as usb host code expert.
David?
Eugeny
>
> -- Steve
>
>
>
>


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