On 11/23/23 at 11:16pm, Joe Perches wrote:

On Fri, 2023-11-24 at 11:36 +0800, Baoquan He wrote:

quoted

Replace pr_debug() with the newly added kexec_dprintk() in kexec_file
loading related codes.

trivia for pr_debug -> kexec_dprintk conversions for
the entire patch set:

OK, will check all patchset and adjust the indendation, thanks.

quoted

diff --git a/kernel/crash_core.c b/kernel/crash_core.c

[]

quoted

@@ -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",
+#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);

It's good form to rewrap continuation lines to the open parenthesis

quoted

diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c

[]

quoted

@@ -389,11 +391,12 @@ SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
 	if (ret)
 		goto out;
 
+	kexec_dprintk("nr_segments = %lu\n", image->nr_segments);
 	for (i = 0; i < image->nr_segments; i++) {
 		struct kexec_segment *ksegment;
 
 		ksegment = &image->segment[i];
-		pr_debug("Loading segment %d: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n",
+		kexec_dprintk("segment[%d]: buf=0x%p bufsz=0x%zx mem=0x%lx memsz=0x%zx\n",
 			 i, ksegment->buf, ksegment->bufsz, ksegment->mem,
 			 ksegment->memsz);

here too etc...