Re: [RESEND PATCH v5 00/11] ppc64: enable kdump support for kexec_file_load syscall

2020-07-27 Thread piliu
On 07/27/2020 03:36 AM, Hari Bathini wrote: > Sorry! There was a gateway issue on my system while posting v5, due to > which some patches did not make it through. Resending... > > This patch series enables kdump support for kexec_file_load system > call (kexec -s -p) on PPC64. The changes are

Re: [PATCH v2 00/12] ppc64: enable kdump support for kexec_file_load syscall

2020-07-06 Thread piliu
On 07/03/2020 03:53 AM, Hari Bathini wrote: > This patch series enables kdump support for kexec_file_load system > call (kexec -s -p) on PPC64. The changes are inspired from kexec-tools > code but heavily modified for kernel consumption. There is scope to > expand purgatory to verify sha256

Re: [PATCH 04/11] ppc64/kexec_file: avoid stomping memory used by special regions

2020-07-01 Thread piliu
On 07/01/2020 03:40 PM, Dave Young wrote: > Hi Hari, > On 06/27/20 at 12:35am, Hari Bathini wrote: >> crashkernel region could have an overlap with special memory regions >> like opal, rtas, tce-table & such. These regions are referred to as >> exclude memory ranges. Setup this ranges during

Re: [PATCH 04/11] ppc64/kexec_file: avoid stomping memory used by special regions

2020-06-30 Thread piliu
On 06/30/2020 02:10 PM, Hari Bathini wrote: > > > On 30/06/20 9:00 am, piliu wrote: >> >> >> On 06/29/2020 01:55 PM, Hari Bathini wrote: >>> >>> >>> On 28/06/20 7:44 am, piliu wrote: >>>> Hi Hari, >>> >>> Hi

Re: [PATCH 04/11] ppc64/kexec_file: avoid stomping memory used by special regions

2020-06-29 Thread piliu
On 06/29/2020 01:55 PM, Hari Bathini wrote: > > > On 28/06/20 7:44 am, piliu wrote: >> Hi Hari, > > Hi Pingfan, > >> >> After a quick through for this series, I have a few question/comment on >> this patch for the time being. Pls see comment

Re: [PATCH 01/11] kexec_file: allow archs to handle special regions while locating memory hole

2020-06-27 Thread piliu
Hi Hari, If in [4/11], get_exclude_memory_ranges() turns out to be unnecessary ,then this patch is abundant either. As my understanding, memblock has already helped to achieved the purpose that get_exclude_memory_ranges() wants. Thanks, Pingfan On 06/27/2020 03:04 AM, Hari Bathini wrote: >

Re: [PATCH 04/11] ppc64/kexec_file: avoid stomping memory used by special regions

2020-06-27 Thread piliu
Hi Hari, After a quick through for this series, I have a few question/comment on this patch for the time being. Pls see comment inline. On 06/27/2020 03:05 AM, Hari Bathini wrote: > crashkernel region could have an overlap with special memory regions > like opal, rtas, tce-table & such. These

Re: [PATCH v1 1/2] powerpc/pseries/hotplug-memory: stop checking is_mem_section_removable()

2020-04-09 Thread piliu
On 04/09/2020 03:26 PM, David Hildenbrand wrote: > On 09.04.20 04:59, piliu wrote: >> >> >> On 04/08/2020 10:46 AM, Baoquan He wrote: >>> Add Pingfan to CC since he usually handles ppc related bugs for RHEL. >>> >>> On 04/07/20 at 03:54pm, Davi

Re: [PATCH v1 1/2] powerpc/pseries/hotplug-memory: stop checking is_mem_section_removable()

2020-04-08 Thread piliu
On 04/08/2020 10:46 AM, Baoquan He wrote: > Add Pingfan to CC since he usually handles ppc related bugs for RHEL. > > On 04/07/20 at 03:54pm, David Hildenbrand wrote: >> In commit 53cdc1cb29e8 ("drivers/base/memory.c: indicate all memory >> blocks as removable"), the user space interface to