From: Andi Kleen <ak@suse.de>
To: "Brown, Len" <len.brown@intel.com>
Cc: "Jan Engelhardt" <jengelh@linux01.gwdg.de>,
"Vladimir Dvorak" <dvorakv@vdsoft.org>,
linux-kernel@vger.kernel.org
Subject: Re: APIC error on CPUx
Date: Mon, 22 May 2006 16:50:59 +0200 [thread overview]
Message-ID: <200605221651.00063.ak@suse.de> (raw)
In-Reply-To: <CFF307C98FEABE47A452B27C06B85BB681D44D@hdsmsx411.amr.corp.intel.com>
> "noapic" is a perfectly reasonable thing to use if you don't
> have a lot of interrupt sources and there is no more sharing
> in PIC mode than IOAPIC mode.
It makes interrupt handling much slower. The PIC accesses can be > 50%
of the interrupt handling cost.
Of course that tends to hide some bugs.
-Andi
next prev parent reply other threads:[~2006-05-22 14:51 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-22 14:47 APIC error on CPUx Brown, Len
2006-05-22 14:50 ` Andi Kleen [this message]
2006-05-23 6:44 ` Vladimir Dvorak
-- strict thread matches above, loose matches on Subject: below --
2006-05-24 5:15 Brown, Len
2006-05-24 8:10 ` Mikael Pettersson
2006-05-23 20:16 Brown, Len
2006-05-23 20:37 ` Vladimir Dvorak
2006-05-25 11:51 ` Jan Engelhardt
2006-05-22 7:38 Vladimir Dvorak
2006-05-22 11:15 ` Andi Kleen
2006-05-22 11:58 ` Vladimir Dvorak
2006-05-22 12:03 ` Andi Kleen
2006-05-22 12:19 ` Vladimir Dvorak
2006-05-22 12:31 ` Jan Engelhardt
2006-05-22 12:54 ` Andi Kleen
2006-05-22 13:13 ` Xavier Bestel
2006-05-22 19:44 ` Junio C Hamano
2002-01-13 12:51 Teodor Iacob
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=200605221651.00063.ak@suse.de \
--to=ak@suse.de \
--cc=dvorakv@vdsoft.org \
--cc=jengelh@linux01.gwdg.de \
--cc=len.brown@intel.com \
--cc=linux-kernel@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