* when the kernel runs in softirq and tasklet , which context is it in ?
@ 2005-08-27 16:05 lab liscs
2005-08-28 6:56 ` Gaurav Dhiman
0 siblings, 1 reply; 2+ messages in thread
From: lab liscs @ 2005-08-27 16:05 UTC (permalink / raw)
To: linux-kernel
I thought it must be in system context ,but always with a litte doubt.
is there third context the kernel can run in ?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: when the kernel runs in softirq and tasklet , which context is it in ?
2005-08-27 16:05 when the kernel runs in softirq and tasklet , which context is it in ? lab liscs
@ 2005-08-28 6:56 ` Gaurav Dhiman
0 siblings, 0 replies; 2+ messages in thread
From: Gaurav Dhiman @ 2005-08-28 6:56 UTC (permalink / raw)
To: lab liscs; +Cc: linux-kernel
On 8/27/05, lab liscs <liscs.lab@gmail.com> wrote:
> I thought it must be in system context ,but always with a litte doubt.
>
> is there third context the kernel can run in ?
> -
If I am not wrong, softirq runs in process context (system call is
also done through softirq, int 0x80 - this runs in process context),
where as hardware irq and taslets run in no context, i mean no process
context, so we should not use current pointer here.
Please cortrect me if I am wrong.
regards,
-Gaurav
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2005-08-27 16:05 when the kernel runs in softirq and tasklet , which context is it in ? lab liscs
2005-08-28 6:56 ` Gaurav Dhiman
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