mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Suresh Siddha <suresh.b.siddha@intel.com>
To: Chris Wright <chrisw@sous-sol.org>
Cc: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>,
	"tglx@linutronix.de" <tglx@linutronix.de>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"indou.takao@jp.fujitsu.com" <indou.takao@jp.fujitsu.com>
Subject: Re: [PATCH 0/2] Fix dmar fault interrupt problems
Date: Tue, 30 Nov 2010 10:20:19 -0800	[thread overview]
Message-ID: <1291141220.2623.13.camel@sbsiddha-MOBL3> (raw)
In-Reply-To: <20101130181314.GH10050@sequoia.sous-sol.org>

On Tue, 2010-11-30 at 10:13 -0800, Chris Wright wrote:
> * Suresh Siddha (suresh.b.siddha@intel.com) wrote:
> > On Tue, 2010-11-30 at 00:28 -0800, Kenji Kaneshige wrote:
> > > Hi,
> > > 
> > > Here are patches to fix the following problems regarding dmar fault interrupt.
> > > 
> > > - No dmar fault event is notified in x2apic cluster mode
> > > - Changing IRQ affinity of dmar fault interrupt causes "No irq handler
> > >   for vector (irq XX)" message and dmar fault interrupts are never
> > >   notified after that.
> > 
> > Kenji, In addition to these two, there are couple of more patches that
> > are needed to fix the kexec/kdump issue that we are debugging on RH
> > bugzilla.
> > 
> > I will post all these 4 patches shortly. I already noticed and queued
> > the second patch (dmar irq migration)  you mentioned.
> 
> And one of them (the additional call to flushing existing dmar faults)
> is not needed.

yes, that patch is not needed for the current kexec/kdump issue. But
nevertheless that is an issue that needs to be addressed aswell.

thanks,
suresh


  reply	other threads:[~2010-11-30 18:20 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-30  8:28 Kenji Kaneshige
2010-11-30  8:30 ` [PATCH 1/2] dmar: fix fault interrupt setup Kenji Kaneshige
2010-11-30 20:18   ` Suresh Siddha
2010-12-01  5:13     ` Kenji Kaneshige
2010-11-30  8:32 ` [PATCH 2/2] dmar: Fix dmar interrupt affinity handling Kenji Kaneshige
2010-11-30 18:09 ` [PATCH 0/2] Fix dmar fault interrupt problems Suresh Siddha
2010-11-30 18:13   ` Chris Wright
2010-11-30 18:20     ` Suresh Siddha [this message]
2010-11-30 19:28       ` Chris Wright
2010-11-30 19:52         ` Suresh Siddha
2010-11-30 22:20           ` Chris Wright

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=1291141220.2623.13.camel@sbsiddha-MOBL3 \
    --to=suresh.b.siddha@intel.com \
    --cc=chrisw@sous-sol.org \
    --cc=hpa@zytor.com \
    --cc=indou.takao@jp.fujitsu.com \
    --cc=kaneshige.kenji@jp.fujitsu.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=tglx@linutronix.de \
    --cc=x86@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

all inboxes | Powered by JetHome®