Re: [PATCH v3 2/7] kexec_file: print out debugging message if required

Joe Perches
2023-11-30T02:52:45Z

On Thu, 2023-11-30 at 10:39 +0800, Baoquan He wrote:
> Replace pr_debug() with the newly added kexec_dprintk() in kexec_file
> loading related codes.

trivia:

> diff --git a/kernel/crash_core.c b/kernel/crash_core.c
[]
> @@ -551,9 +551,12 @@ int crash_prepare_elf64_headers(struct crash_mem *mem, int need_kernel_map,
> phdr->p_filesz = phdr->p_memsz = mend - mstart + 1;
> phdr->p_align = 0;
> ehdr->e_phnum++;
> - pr_debug("Crash PT_LOAD ELF header. phdr=%p vaddr=0x%llx, paddr=0x%llx, sz=0x%llx e_phnum=%d p_offset=0x%llx\n",
> - phdr, phdr->p_vaddr, phdr->p_paddr, phdr->p_filesz,
> - ehdr->e_phnum, phdr->p_offset);
> +#ifdef CONFIG_KEXEC_FILE
> + kexec_dprintk("Crash PT_LOAD ELF header. phdr=%p vaddr=0x%llx, paddr=0x%llx, "
> + "sz=0x%llx e_phnum=%d p_offset=0x%llx\n",
> + phdr, phdr->p_vaddr, phdr->p_paddr, phdr->p_filesz,
> + ehdr->e_phnum, phdr->p_offset);
> +#endif

Perhaps run checkpatch and coalesce the format string.