From: "Dong Feng" <middle.fengdong@gmail.com>
To: pradeep singh <2500.pradeep@gmail.com>
Cc: Bahadir Balban <bahadir.balban@gmail.com>,
Learning Linux <learninglinux4@gmail.com>,
kernelnewbies@nl.linux.org, linux-newbie@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: Why can't we sleep in an ISR?
Date: Tue, 15 May 2007 14:45:43 +0800 [thread overview]
Message-ID: <a2ebde260705142345m440c70fbu33934334fbb69f8e@mail.gmail.com> (raw)
In-Reply-To: <366312910705142217geba69dbm98a6c0bf2aabb937@mail.gmail.com>
>
> good enough, but i have a query regarding this then.
> On a 8K kernel stack system, doesn't interrupts share the stack associated
> with the current process which was interrupted?
Yes, I think so.
> Doesn't interrupt steals the CPU slice time allocated to the running process
> to run?
I don't think so but I am not sure.
> Doesn't it run in current process's context ?
>
No. I think the concept of process context is a higher-level logical
concept. Though the interrupt share stack with the interrupted
process, in my opinion it logically does not share the context with
the process.
> What am i missing here?
>
> Thanks
> ~psr
>
But I do not see the exact relationship between your specific queries
and the original question. Could you elaborate?
next prev parent reply other threads:[~2007-05-15 6:45 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-14 6:37 Why can't we sleep in an ISR? Learning Linux
2007-05-14 7:10 ` pradeep singh
2007-05-14 7:16 ` Learning Linux
2007-05-14 15:24 ` Bahadir Balban
2007-05-14 15:56 ` Dong Feng
2007-05-15 5:17 ` pradeep singh
2007-05-15 6:45 ` Dong Feng [this message]
2007-05-15 7:10 ` pradeep singh
2007-05-15 7:28 ` Dong Feng
2007-05-15 8:12 ` pradeep singh
2007-05-15 8:40 ` Learning Linux
2007-05-15 8:58 ` Dong Feng
2007-05-15 16:57 ` Phillip Susi
2007-05-15 22:49 ` Dong Feng
2007-05-16 15:20 ` Phillip Susi
2007-05-16 23:17 ` Dong Feng
2007-05-17 16:07 ` Phillip Susi
2007-05-17 23:50 ` Dong Feng
2007-05-14 12:25 ` Helge Hafting
2007-05-14 12:52 ` pradeep singh
2007-05-14 13:36 ` Dong Feng
-- strict thread matches above, loose matches on Subject: below --
2007-05-14 15:22 linux
2007-05-14 15:55 ` Rik van Riel
2007-05-15 9:34 rohit hooda
2007-05-15 9:46 ` pradeep singh
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=a2ebde260705142345m440c70fbu33934334fbb69f8e@mail.gmail.com \
--to=middle.fengdong@gmail.com \
--cc=2500.pradeep@gmail.com \
--cc=bahadir.balban@gmail.com \
--cc=kernelnewbies@nl.linux.org \
--cc=learninglinux4@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-newbie@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox