Define arch_[un]map_crash_pages functions to avoid build issues due to undefined arch specific function to access crash memory pages. A temporary patch to avoid build issues may need some changes in generic code to avoid this. The issue is under discussion: https://lkml.org/lkml/2022/6/20/22 Signed-off-by: Sourabh Jain <sourabhjain@xxxxxxxxxxxxx> --- arch/powerpc/kexec/core_64.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/kexec/core_64.c b/arch/powerpc/kexec/core_64.c index 373cb46bcc0e..d833fa96dcfa 100644 --- a/arch/powerpc/kexec/core_64.c +++ b/arch/powerpc/kexec/core_64.c @@ -492,6 +492,13 @@ int update_cpus_node(void *fdt) #if defined(CONFIG_HOTPLUG_CPU) +void *arch_map_crash_pages(unsigned long paddr, unsigned long size) +{ + return __va(paddr); +} + +void arch_unmap_crash_pages(void **ptr) { } + int crash_hotplug_support(void) { return 1; } /** -- 2.36.1 _______________________________________________ kexec mailing list kexec@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/kexec