From: Cyrill Gorcunov <gorcunov@gmail.com>
To: "Maciej W. Rozycki" <macro@linux-mips.org>,
Don Zickus <dzickus@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>,
mingo@elte.hu, fweisbec@gmail.com, robert.richter@amd.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] arch generic way to trigger unknown NMIs
Date: Mon, 11 Oct 2010 00:23:57 +0400 [thread overview]
Message-ID: <20101010202357.GA28938@lenovo> (raw)
In-Reply-To: <alpine.LFD.2.00.1010072342170.15889@eddie.linux-mips.org>
On Thu, Oct 07, 2010 at 11:45:59PM +0100, Maciej W. Rozycki wrote:
> On Thu, 7 Oct 2010, Don Zickus wrote:
>
> > No I prefer a single one too, but there didn't seem to be a
> > send_IPI_self() command, so I took the short route and sent it to
> > everyone. :-(
>
> Odd, APIC hardware does explicitly support such a mode (there are three
> shorthands like this actually: all-but-self, all and self), so why don't
> just add a suitable wrapper?
>
> Maciej
>
We have send_IPI_self which can't be used for NMI delivery mode (ie with
self shortland) but still can be used as say (didn't test)
apic->send_IPI_mask(cpumask_of(cpu), NMI_VECTOR)
where cpu is a target.
Cyrill
next prev parent reply other threads:[~2010-10-10 20:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-07 3:08 [RFC] arch generic way to trigger unknown NMIs Don Zickus
2010-10-07 7:26 ` Andi Kleen
2010-10-07 14:01 ` Don Zickus
2010-10-07 15:11 ` Andi Kleen
2010-10-07 15:47 ` Don Zickus
2010-10-07 16:17 ` Andi Kleen
2010-10-07 22:45 ` Maciej W. Rozycki
2010-10-10 20:23 ` Cyrill Gorcunov [this message]
2010-10-16 7:24 ` Maciej W. Rozycki
2010-10-16 15:32 ` Cyrill Gorcunov
2010-10-16 16:15 ` Maciej W. Rozycki
2010-10-16 16:36 ` Cyrill Gorcunov
2010-10-16 23:59 ` Maciej W. Rozycki
2010-10-17 8:58 ` Cyrill Gorcunov
2010-10-17 16:08 ` Cyrill Gorcunov
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=20101010202357.GA28938@lenovo \
--to=gorcunov@gmail.com \
--cc=andi@firstfloor.org \
--cc=dzickus@redhat.com \
--cc=fweisbec@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=macro@linux-mips.org \
--cc=mingo@elte.hu \
--cc=robert.richter@amd.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox