> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Horms
> Sent: 2007年2月8日 15:37
> To: Zou, Nanhai
> Cc: [EMAIL PROTECTED]; fastboot; Linux-IA64; Luck, Tony
> Subject: Re: Zero size /proc/vmcore on ia64
>
> On Thu, Feb 08, 2007 at 12:21:02PM +0800, Zou
On Thu, Feb 08, 2007 at 12:21:02PM +0800, Zou Nan hai wrote:
> On Thu, 2007-02-08 at 13:34, Vivek Goyal wrote:
> > On Thu, Feb 08, 2007 at 12:06:53PM +0900, Horms wrote:
> > > On Thu, Feb 08, 2007 at 10:07:48AM +0800, Zou, Nanhai wrote:
> > > >
> > > > When crash dump kernel tries to access memory
On Thu, 2007-02-08 at 14:55, Keith Owens wrote:
> Keith Owens (on Thu, 08 Feb 2007 17:37:54 +1100) wrote:
> >Zou Nan hai (on 08 Feb 2007 12:27:31 +0800) wrote:
> >>On Thu, 2007-02-08 at 14:04, Keith Owens wrote:
> >>> Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
> >>> >Pin ar.kr2 of each CPU,
Keith Owens (on Thu, 08 Feb 2007 17:37:54 +1100) wrote:
>Zou Nan hai (on 08 Feb 2007 12:27:31 +0800) wrote:
>>On Thu, 2007-02-08 at 14:04, Keith Owens wrote:
>>> Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
>>> >Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
>>>
>>> Historicall
On Thu, 2007-02-08 at 14:37, Keith Owens wrote:
> Zou Nan hai (on 08 Feb 2007 12:27:31 +0800) wrote:
> >On Thu, 2007-02-08 at 14:04, Keith Owens wrote:
> >> Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
> >> >Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
> >>
> >> Historically
Zou Nan hai (on 08 Feb 2007 12:27:31 +0800) wrote:
>On Thu, 2007-02-08 at 14:04, Keith Owens wrote:
>> Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
>> >Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
>>
>> Historically ar.k2 has been reserved for debugging purposes, for
>> examp
On Thu, 2007-02-08 at 14:04, Keith Owens wrote:
> Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
> >Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
>
> Historically ar.k2 has been reserved for debugging purposes, for
> example in ivt.S. Debuggers often need a location that can be
On Thu, 2007-02-08 at 13:34, Vivek Goyal wrote:
> On Thu, Feb 08, 2007 at 12:06:53PM +0900, Horms wrote:
> > On Thu, Feb 08, 2007 at 10:07:48AM +0800, Zou, Nanhai wrote:
> > >
> > > Hi Vivek,
> > > I have a question about why saved_max_pfn check in vmcore.c is
> needed.
> > > Here is a typical
Zou Nan hai (on 08 Feb 2007 11:28:44 +0800) wrote:
>Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
Historically ar.k2 has been reserved for debugging purposes, for
example in ivt.S. Debuggers often need a location that can be used to
track progress, it has to be somewhere that does
On Thu, Feb 08, 2007 at 12:06:53PM +0900, Horms wrote:
> On Thu, Feb 08, 2007 at 10:07:48AM +0800, Zou, Nanhai wrote:
> >
> > Hi Vivek,
> > I have a question about why saved_max_pfn check in vmcore.c is needed.
> > Here is a typical memory layout of IA64 machine.
> >
> > - ===>max_pfn for
Pin ar.kr2 of each CPU, so that smp_processor_id can use it.
This will save some memory foot-print when smp_procerror_id()
is called.
This is also useful for implement sys_getcpu in fast path.
I have simply tested the patch by boot on a 16p system then try
offline and online some CPUs through /
On Thu, 8 Feb 2007 11:19:03 +0900 Horms wrote:
> On Wed, Feb 07, 2007 at 09:07:40AM -0800, Luck, Tony wrote:
> > > kexec.h is needed by arch/ia64/kernel/process.c so for the
> > > declaration of kexec_disable_iosapic() which is used in
> > > machine_shutdown().
> >
> > > +#include
> >
> > I mer
On Wed, Feb 07, 2007 at 03:19:06PM +0900, Horms wrote:
> Hi,
>
> I am resending this patch, which is a consolidated version of 3 or 4
> patches sent late last year. It includes a few minor fixes, and
> I have removed the portion which caused the pal code not to be mapped.
>
> I have been using th
On Wed, Feb 07, 2007 at 09:07:40AM -0800, Luck, Tony wrote:
> > kexec.h is needed by arch/ia64/kernel/process.c so for the
> > declaration of kexec_disable_iosapic() which is used in
> > machine_shutdown().
>
> > +#include
>
> I merged this into your earlier change (moving machine_shutdown() int
On Thu, Feb 08, 2007 at 10:07:48AM +0800, Zou, Nanhai wrote:
>
> Hi Vivek,
> I have a question about why saved_max_pfn check in vmcore.c is needed.
> Here is a typical memory layout of IA64 machine.
>
> - ===>max_pfn for first kernel
>the first kernel
> - ===>max_pfn for cra
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Zou, Nanhai
> Sent: 2007年2月6日 9:09
> To: Horms; fastboot@lists.osdl.org; linux-ia64@vger.kernel.org
> Cc: Khalid Aziz; Mel Gorman; Bob Picco; Magnus Damm
> Subject: RE: Zero size /proc/vmcore on ia64
>
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Luck, Tony
> Sent: 2007年2月8日 2:00
> To: Ken Chen; Yu, Fenghua
> Cc: linux-ia64@vger.kernel.org
> Subject: RE: [PATCH] Hook up getcpu system call for IA64
>
> > Andi Kleen used to lecture me every so of
> Andi Kleen used to lecture me every so often why it is important to
> have fast vgetcpu on x86-64 (I don't think ia64 is excluded from
> that). His lecture is also all over the lkml mailing list.
I dug though that thread ... it isn't ever explicitly stated, but
it does appear that the intent is
> kexec.h is needed by arch/ia64/kernel/process.c so for the
> declaration of kexec_disable_iosapic() which is used in machine_shutdown().
> +#include
I merged this into your earlier change (moving machine_shutdown() into
process.c). Linus pulled it last night.
I also added a "#ifdef CONFIG_KE
On Wed, 7 Feb 2007 00:04:41 -0800 (PST)
Christoph Lameter <[EMAIL PROTECTED]> wrote:
> On Wed, 7 Feb 2007, KAMEZAWA Hiroyuki wrote:
>
> > > Hmmm... Remove the node from the node_online_map instead?
> > >
> > Changing defintion of node_online_map is harmfil. (there are
> > cpu-only-nodes.)
> > H
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