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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Daniel Kiper <daniel.kiper@oracle.com>
Cc: olaf@aepfle.de, xen-devel@lists.xensource.com,
	andrew cooper3 <andrew.cooper3@citrix.com>,
	kexec@lists.infradead.org, Dave Anderson <anderson@redhat.com>,
	crash-utility@redhat.com
Subject: Re: [PATCH 0/5] crash: Small bundle of fixes for Xen
Date: Thu, 5 Jul 2012 11:33:33 -0400	[thread overview]
Message-ID: <20120705153333.GA27568@phenom.dumpdata.com> (raw)
In-Reply-To: <20120705152950.GH2007@host-192-168-1-59.local.net-space.pl>

On Thu, Jul 05, 2012 at 05:29:50PM +0200, Daniel Kiper wrote:
> On Thu, Jul 05, 2012 at 11:15:29AM -0400, Dave Anderson wrote:
> >
> >
> > ----- Original Message -----
> > > Hi,
> > >
> > > It looks that Xen support for crash have not been maintained
> > > since 2009. I am trying to fix this. Here it is small
> > > bundle of fixes:
> > >   - xen: Always calculate max_cpus value,
> > >   - xen: Read only crash notes for onlined CPUs,
> > >   - x86/xen: Read variables from dynamically allocated per_cpu data,
> > >   - xen: Get idle data from alternative source,
> > >   - xen: Read data correctly from dynamically allocated console ring
> > >   too.
> > >
> > > Daniel
> >
> > Daniel,
> >
> > Can you absolutely confirm that these changes are all backwards-compatible?
> 
> I have not done tests with older versions of Xen. However,
> I made all patches with backward compatibility in mind. Anyway,
> If you wish I could do tests with let's say Xen Ver. 3.4
> and Xen Linux Kernel Ver. 2.6.18 at least.

I think Dave is worried about it breaking with the version that is bundled
with RHEL5U8?

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kexec@lists.infradead.org
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WARNING: multiple messages have this Message-ID (diff)
From: Konrad Rzeszutek Wilk <konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Daniel Kiper <daniel.kiper-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: olaf-QOLJcTWqO2uzQB+pC5nmwQ@public.gmane.org,
	xen-devel-GuqFBffKawuULHF6PoxzQEEOCMrvLtNR@public.gmane.org,
	andrew cooper3
	<andrew.cooper3-Sxgqhf6Nn4DQT0dZR+AlfA@public.gmane.org>,
	kexec-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Dave Anderson <anderson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	crash-utility-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH 0/5] crash: Small bundle of fixes for Xen
Date: Thu, 5 Jul 2012 11:33:33 -0400	[thread overview]
Message-ID: <20120705153333.GA27568@phenom.dumpdata.com> (raw)
In-Reply-To: <20120705152950.GH2007-UojuW/CpjwpdUOLzJiIvSsFoITBeLw/klGfBN0aaEZ+lPcVs/6D9LQ@public.gmane.org>

On Thu, Jul 05, 2012 at 05:29:50PM +0200, Daniel Kiper wrote:
> On Thu, Jul 05, 2012 at 11:15:29AM -0400, Dave Anderson wrote:
> >
> >
> > ----- Original Message -----
> > > Hi,
> > >
> > > It looks that Xen support for crash have not been maintained
> > > since 2009. I am trying to fix this. Here it is small
> > > bundle of fixes:
> > >   - xen: Always calculate max_cpus value,
> > >   - xen: Read only crash notes for onlined CPUs,
> > >   - x86/xen: Read variables from dynamically allocated per_cpu data,
> > >   - xen: Get idle data from alternative source,
> > >   - xen: Read data correctly from dynamically allocated console ring
> > >   too.
> > >
> > > Daniel
> >
> > Daniel,
> >
> > Can you absolutely confirm that these changes are all backwards-compatible?
> 
> I have not done tests with older versions of Xen. However,
> I made all patches with backward compatibility in mind. Anyway,
> If you wish I could do tests with let's say Xen Ver. 3.4
> and Xen Linux Kernel Ver. 2.6.18 at least.

I think Dave is worried about it breaking with the version that is bundled
with RHEL5U8?

  reply	other threads:[~2012-07-05 15:42 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-05 14:58 [PATCH 0/5] crash: Small bundle of fixes for Xen Daniel Kiper
2012-07-05 14:58 ` Daniel Kiper
2012-07-05 15:00 ` [PATCH 1/5] xen: Always calculate max_cpus value Daniel Kiper
2012-07-05 15:00   ` Daniel Kiper
2012-07-05 15:56   ` [Xen-devel] " Jan Beulich
2012-07-05 15:56     ` Jan Beulich
2012-07-13 13:19     ` Daniel Kiper
2012-07-13 13:19     ` [Xen-devel] " Daniel Kiper
2012-07-13 14:51       ` Andrew Cooper
2012-07-13 14:51       ` Andrew Cooper
2012-07-05 15:01 ` [PATCH 2/5] xen: Read only crash notes for onlined CPUs Daniel Kiper
2012-07-05 15:01   ` Daniel Kiper
2012-07-05 15:02 ` [PATCH 3/5] x86/xen: Read variables from dynamically allocated per_cpu data Daniel Kiper
2012-07-05 15:02   ` Daniel Kiper
2012-07-05 15:03 ` [PATCH 4/5] xen: Get idle data from alternative source Daniel Kiper
2012-07-05 15:03   ` Daniel Kiper
2012-07-05 15:04 ` [PATCH 5/5] xen: Read data correctly from dynamically allocated console ring too Daniel Kiper
2012-07-05 15:04   ` Daniel Kiper
2012-07-05 15:15 ` [PATCH 0/5] crash: Small bundle of fixes for Xen Dave Anderson
2012-07-05 15:15   ` Dave Anderson
2012-07-05 15:29   ` Daniel Kiper
2012-07-05 15:29     ` Daniel Kiper
2012-07-05 15:33     ` Konrad Rzeszutek Wilk [this message]
2012-07-05 15:33       ` Konrad Rzeszutek Wilk
2012-07-05 17:06       ` Dave Anderson
2012-07-05 17:06         ` Dave Anderson
2012-07-05 19:20         ` Dave Anderson
2012-07-05 19:20           ` Dave Anderson
2012-07-05 15:39     ` Dave Anderson
2012-07-05 15:39       ` Dave Anderson
2012-07-05 15:51       ` Daniel Kiper
2012-07-05 15:51         ` Daniel Kiper

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