Hi Baoquan, On Wed, Jan 24, 2024 at 6:13 AM Baoquan He <bhe@xxxxxxxxxx> wrote: > Now move the relevant codes into separate files: > kernel/crash_reserve.c, include/linux/crash_reserve.h. > > And add config item CRASH_RESERVE to control its enabling. > > And also update the old ifdeffery of CONFIG_CRASH_CORE, including of > <linux/crash_core.h> and config item dependency on CRASH_CORE > accordingly. > > And also do renaming as follows: > - arch/xxx/kernel/{crash_core.c => vmcore_info.c} > because they are only related to vmcoreinfo exporting on x86, arm64, > riscv. > > And also Remove config item CRASH_CORE, and rely on CONFIG_KEXEC_CORE to > decide if build in crash_core.c. > > Signed-off-by: Baoquan He <bhe@xxxxxxxxxx> > --- > v2->v3: > - There's conflict when rebasing to linux-next in kernel/crash_core.c > because of below commits from Uladzislau: > commit 699d9351822e ("mm: vmalloc: Fix a warning in the crash_save_vmcoreinfo_init()") > commit 5f4c0c1e2a51 (:mm/vmalloc: remove vmap_area_list") Thanks for your patch, which is now commit 443cbaf9e2fdbef7 ("crash: split vmcoreinfo exporting code out from crash_core.c") in v6.9-rc1. After this, there are still two references left to CRASH_CORE: 1. Documentation/admin-guide/kdump/kdump.rst: Subsequently, CRASH_CORE is selected by KEXEC_CORE:: 2. arch/loongarch/Kconfig config ARCH_HAS_GENERIC_CRASHKERNEL_RESERVATION def_bool CRASH_CORE Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds