Re: [PATCH v8 3/7] crash: add generic infrastructure for crash hotplug support

2022-05-31 Thread David Hildenbrand
On 12.05.22 18:10, Eric DeVolder wrote: > David, > Great questions! See inline responses below. > eric Sorry for the late reply, travel and vacation ... >> >>> + >>> +#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_MEMORY_HOTPLUG) >>> +void __weak arch_crash_handle_hotplug_event(struct kimage *

Re: [PATCH v8 0/7] crash: Kernel handling of CPU and memory hot un/plug

2022-05-31 Thread David Hildenbrand
On 26.05.22 15:39, Sourabh Jain wrote: > Hello Eric, > > On 26/05/22 18:46, Eric DeVolder wrote: >> >> >> On 5/25/22 10:13, Sourabh Jain wrote: >>> Hello Eric, >>> >>> On 06/05/22 00:15, Eric DeVolder wrote: When the kdump service is loaded, if a CPU or memory is hot un/plugged, the cras

Re: [PATCH] RISC-V: Prepare dropping week attribute from arch_kexec_apply_relocations[_add]

2022-05-31 Thread Palmer Dabbelt
On Mon, 30 May 2022 22:58:03 PDT (-0700), u.kleine-koe...@pengutronix.de wrote: On Mon, May 30, 2022 at 04:11:27PM -0700, Palmer Dabbelt wrote: On Mon, 30 May 2022 12:41:33 PDT (-0700), u.kleine-koe...@pengutronix.de wrote: > Hello, > > On Mon, May 30, 2022 at 11:58:16AM -0700, Palmer Dabbelt w

Re: [PATCH v8 7/7] x86/crash: Add x86 crash hotplug support for kexec_load

2022-05-31 Thread Eric DeVolder
On 5/25/22 09:26, Sourabh Jain wrote: Hello Eric, On 06/05/22 00:16, Eric DeVolder wrote: For kexec_file_load support, the loading of the crash kernel occurs entirely within the kernel, and as such the elfcorehdr is readily identified (so that it can be modified upon hotplug events). This ch

Re: [PATCH v8 0/7] crash: Kernel handling of CPU and memory hot un/plug

2022-05-31 Thread Eric DeVolder
On 5/31/22 08:18, David Hildenbrand wrote: On 26.05.22 15:39, Sourabh Jain wrote: Hello Eric, On 26/05/22 18:46, Eric DeVolder wrote: On 5/25/22 10:13, Sourabh Jain wrote: Hello Eric, On 06/05/22 00:15, Eric DeVolder wrote: When the kdump service is loaded, if a CPU or memory is hot un/

Re: [PATCH v8 3/7] crash: add generic infrastructure for crash hotplug support

2022-05-31 Thread Eric DeVolder
On 5/31/22 08:15, David Hildenbrand wrote: On 12.05.22 18:10, Eric DeVolder wrote: David, Great questions! See inline responses below. eric Sorry for the late reply, travel and vacation ... No problem, greatly appreciate the feedback! eric + +#if defined(CONFIG_HOTPLUG_CPU) || define