From: "H. Peter Anvin" <hpa@zytor.com>
To: "Pan, Jacob jun" <jacob.jun.pan@intel.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
"kerstin.jonsson" <kerstin.jonsson@ericsson.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jbohac@novell.com" <jbohac@novell.com>,
Yinghai Lu <yinghai@kernel.org>, "mingo@elte.hu" <mingo@elte.hu>,
Avi Kivity <avi@redhat.com>, "trenn@suse.de" <trenn@suse.de>
Subject: Re: [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec - V5
Date: Wed, 16 Jun 2010 17:19:59 -0700 [thread overview]
Message-ID: <4C196A2F.5010604@zytor.com> (raw)
In-Reply-To: <43F901BD926A4E43B106BF17856F0755E7C393B9@orsmsx508.amr.corp.intel.com>
On 06/16/2010 02:11 PM, Pan, Jacob jun wrote:
>
> W.R.T. the loop limits, is it possible to use a default max_loops value in
> case when cpu_khz is not set? The reason is that on Moorestown platform
> we need to do an early APIC setup before tsc_init(), so cpu_khz is 0 at the
> time we setup local APIC. The result is that we hit WARN_ON(max_loops<= 0)
> on Moorestown for early APIC setup.
>
> The early APIC setup is needed because Moorestown does not have a PIT and the
> system timer interrupts are routed via IOAPIC.
>
Can't MRST install a quick ballpark value into cpu_khz?
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
next prev parent reply other threads:[~2010-06-17 0:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-08 11:17 [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec Thomas Renninger
2010-03-08 11:26 ` Avi Kivity
2010-03-08 11:34 ` [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec - V3 Thomas Renninger
2010-03-08 11:26 ` [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec Thomas Renninger
2010-03-08 11:34 ` Cyrill Gorcunov
2010-03-08 11:40 ` Thomas Renninger
2010-03-08 11:43 ` [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec - V4 Thomas Renninger
2010-03-08 16:25 ` Kerstin Jonsson
2010-03-09 9:14 ` kerstin.jonsson
2010-03-09 10:52 ` [PATCH] x86 apic: Ack all pending irqs when crashed/on kexec - V5 Thomas Renninger
2010-03-19 1:18 ` Eric W. Biederman
2010-03-20 6:42 ` Eric W. Biederman
2010-03-22 11:28 ` kerstin.jonsson
2010-03-22 12:23 ` Eric W. Biederman
[not found] ` <43F901BD926A4E43B106BF17856F0755E7C393B9@orsmsx508.amr.corp.intel.com>
2010-06-17 0:19 ` H. Peter Anvin [this message]
2010-06-17 1:51 ` Eric W. Biederman
[not found] ` <43F901BD926A4E43B106BF17856F0755E7C3985D@orsmsx508.amr.corp.intel.com>
2010-06-17 17:00 ` H. Peter Anvin
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=4C196A2F.5010604@zytor.com \
--to=hpa@zytor.com \
--cc=akpm@linux-foundation.org \
--cc=avi@redhat.com \
--cc=ebiederm@xmission.com \
--cc=jacob.jun.pan@intel.com \
--cc=jbohac@novell.com \
--cc=kerstin.jonsson@ericsson.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=trenn@suse.de \
--cc=yinghai@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 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.