Re: [PATCH v3 01/11] kexec: introduce kexec firmware support

2013-01-04 Thread Daniel Kiper
On Thu, Dec 27, 2012 at 07:06:13PM -0800, ebied...@xmission.com wrote: Daniel Kiper daniel.ki...@oracle.com writes: Daniel Kiper daniel.ki...@oracle.com writes: Some kexec/kdump implementations (e.g. Xen PVOPS) could not use default Linux infrastructure and require some support from

Re: [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE

2013-01-04 Thread Daniel Kiper
On Fri, Dec 28, 2012 at 01:59:27PM +0100, Borislav Petkov wrote: On Thu, Dec 27, 2012 at 03:19:24PM -0800, Daniel Kiper wrote: Hmm... this code is being redone at the moment... this might conflict. Is this available somewhere? May I have a look at it?

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Daniel Kiper
On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: On 27/12/12 18:02, Eric W. Biederman wrote: Andrew Cooperandrew.coop...@citrix.com writes: On 27/12/2012 07:53, Eric W. Biederman wrote: The syscall ABI still has the wrong semantics. Aka totally unmaintainable and

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Ian Campbell
On Fri, 2013-01-04 at 14:22 +, Daniel Kiper wrote: On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: On 27/12/12 18:02, Eric W. Biederman wrote: Andrew Cooperandrew.coop...@citrix.com writes: On 27/12/2012 07:53, Eric W. Biederman wrote: The syscall ABI still has the

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Jan Beulich
On 04.01.13 at 15:22, Daniel Kiper daniel.ki...@oracle.com wrote: On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: /sbin/kexec can load the Xen crash kernel itself by issuing hypercalls using /dev/xen/privcmd. This would remove the need for the dom0 kernel to distinguish

Re: [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE

2013-01-04 Thread Daniel Kiper
On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote: On 27.12.12 at 03:18, Daniel Kiper daniel.ki...@oracle.com wrote: Some implementations (e.g. Xen PVOPS) could not use part of identity page table to construct transition page table. It means that they require separate PUDs,

Re: [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE

2013-01-04 Thread Jan Beulich
On 04.01.13 at 16:15, Daniel Kiper daniel.ki...@oracle.com wrote: On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote: On 27.12.12 at 03:18, Daniel Kiper daniel.ki...@oracle.com wrote: Some implementations (e.g. Xen PVOPS) could not use part of identity page table to construct

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Daniel Kiper
On Fri, Jan 04, 2013 at 02:38:44PM +, David Vrabel wrote: On 04/01/13 14:22, Daniel Kiper wrote: On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: On 27/12/12 18:02, Eric W. Biederman wrote: Andrew Cooperandrew.coop...@citrix.com writes: On 27/12/2012 07:53, Eric W.

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Daniel Kiper
On Fri, Jan 04, 2013 at 02:41:17PM +, Jan Beulich wrote: On 04.01.13 at 15:22, Daniel Kiper daniel.ki...@oracle.com wrote: On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: /sbin/kexec can load the Xen crash kernel itself by issuing hypercalls using /dev/xen/privcmd. This

Re: [PATCH v3 02/11] x86/kexec: Add extra pointers to transition page table PGD, PUD, PMD and PTE

2013-01-04 Thread Daniel Kiper
On Fri, Jan 04, 2013 at 04:12:32PM +, Jan Beulich wrote: On 04.01.13 at 16:15, Daniel Kiper daniel.ki...@oracle.com wrote: On Thu, Jan 03, 2013 at 09:34:55AM +, Jan Beulich wrote: On 27.12.12 at 03:18, Daniel Kiper daniel.ki...@oracle.com wrote: Some implementations (e.g. Xen

Re: [Xen-devel] [PATCH v3 00/11] xen: Initial kexec/kdump implementation

2013-01-04 Thread Konrad Rzeszutek Wilk
On Fri, Jan 04, 2013 at 06:07:51PM +0100, Daniel Kiper wrote: On Fri, Jan 04, 2013 at 02:41:17PM +, Jan Beulich wrote: On 04.01.13 at 15:22, Daniel Kiper daniel.ki...@oracle.com wrote: On Wed, Jan 02, 2013 at 11:26:43AM +, Andrew Cooper wrote: /sbin/kexec can load the Xen crash