From: Robert Hancock <hancockr@shaw.ca>
To: YM Yen <yminyen@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Hooking to APIC timer on SMP 32-bit X86 system
Date: Sun, 06 Apr 2008 14:46:06 -0600 [thread overview]
Message-ID: <47F9368E.7070107@shaw.ca> (raw)
In-Reply-To: <fa.ORNHzXNKWJTtCts8OxkQgfojzSk@ifi.uio.no>
YM Yen wrote:
> hi,
>
> I am looking for a way to program the APIC timer in a kernel module so
> that the module depends only on the hardware timer instead of the timer
> provided by the kernel. Programming the LVT is easy, however I can't
> find a way to have the Linux kernel to call my interrupt service routine
> in addition to smp_apic_timer_interrupt().
>
> Is doing this even possible? There doesn't seem to be any sort of hook
> or notifier chain I can install a ISR to. Thanks in advance.
It might be possible, but likely not easy and not recommended. Why is a
kernel timer not sufficient for what you need?
next parent reply other threads:[~2008-04-06 20:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.ORNHzXNKWJTtCts8OxkQgfojzSk@ifi.uio.no>
2008-04-06 20:46 ` Robert Hancock [this message]
2008-04-06 19:48 Hooking to APIC timer on SMP 32-bit X86 system YM Yen
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=47F9368E.7070107@shaw.ca \
--to=hancockr@shaw.ca \
--cc=linux-kernel@vger.kernel.org \
--cc=yminyen@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.