From: Gaurav Dhiman <gaurav4lkg@gmail.com>
To: lab liscs <liscs.lab@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: when the kernel runs in softirq and tasklet , which context is it in ?
Date: Sun, 28 Aug 2005 12:26:16 +0530 [thread overview]
Message-ID: <1e33f571050827235629b70120@mail.gmail.com> (raw)
In-Reply-To: <1132fcd605082709051c2a7141@mail.gmail.com>
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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prev parent reply other threads:[~2005-08-28 6:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
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