mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Thomas Gleixner <tglx@linutronix.de>
To: "bhe@redhat.com" <bhe@redhat.com>
Cc: "Wei, Jiangang" <weijg.fnst@cn.fujitsu.com>,
	"fenghua.yu@intel.com" <fenghua.yu@intel.com>,
	"x86@kernel.org" <x86@kernel.org>,
	"kexec@lists.infradead.org" <kexec@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"ebiederm@xmission.com" <ebiederm@xmission.com>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"jiang.liu@linux.intel.com" <jiang.liu@linux.intel.com>,
	"vgoyal@redhat.com" <vgoyal@redhat.com>
Subject: Re: [PATCH 0/3] Enable legacy irq mode before jump to kexec/kdump kernel
Date: Wed, 20 Jul 2016 08:32:01 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.11.1607200830270.3564@nanos> (raw)
In-Reply-To: <20160720041527.GA5273@x1.redhat.com>

On Wed, 20 Jul 2016, bhe@redhat.com wrote:
> On 07/20/16 at 03:54am, Wei, Jiangang wrote:
>
> >  In fact, Eric and Ingo suggested that "it should be fixed in the bootup
> > path of the dump kernel, not the crash kernel reboot path", which is
> > convincing and reasonable.
> 
> Well this patch doesn't do differently with Eric's original implemention
> in kexec/kdump path.
> By taking out clear_IO_APIC from disable_IO_APIC, the left code of
> disable_IO_APIC will only do the virtual wire setting. So for
> kexec/kdump path, code basically is the same as Eric's method. But for
> poweroff/halt/reboot, it's enough to call clear_IO_APIC to disable
> IO-APIC.

You're completely ignoring what Jiangang said: 

 "it should be fixed in the bootup path of the dump kernel, not the crash
  kernel reboot path"

and that's the right way to do it. End of story.

Thanks,

	tglx

  reply	other threads:[~2016-07-20  6:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-20  2:58 Baoquan He
2016-07-20  2:58 ` [PATCH 1/3] x86/apic/kexec: " Baoquan He
2016-07-20  2:58 ` [PATCH 2/3] x86/apic: Clean up the names of legacy irq mode setting related functions Baoquan He
2016-07-20  2:58 ` [PATCH 3/3] x86/apic: Clean up the apic delivery mode macro definition Baoquan He
2016-07-23 23:06   ` kbuild test robot
2016-07-23 23:07   ` kbuild test robot
2016-07-27 22:20     ` Baoquan He
2016-07-20  3:54 ` [PATCH 0/3] Enable legacy irq mode before jump to kexec/kdump kernel Wei, Jiangang
2016-07-20  4:15   ` bhe
2016-07-20  6:32     ` Thomas Gleixner [this message]
2016-07-20  6:48       ` bhe
2016-07-20  6:28   ` bhe

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=alpine.DEB.2.11.1607200830270.3564@nanos \
    --to=tglx@linutronix.de \
    --cc=bhe@redhat.com \
    --cc=ebiederm@xmission.com \
    --cc=fenghua.yu@intel.com \
    --cc=hpa@zytor.com \
    --cc=jiang.liu@linux.intel.com \
    --cc=kexec@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=vgoyal@redhat.com \
    --cc=weijg.fnst@cn.fujitsu.com \
    --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®