]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
LoongArch: kexec: Print out debugging message if required
authorQiang Ma <maqianga@uniontech.com>
Sun, 9 Nov 2025 08:02:01 +0000 (16:02 +0800)
committerHuacai Chen <chenhuacai@loongson.cn>
Mon, 10 Nov 2025 00:37:07 +0000 (08:37 +0800)
When specifying '-d' for kexec_file_load interface, loaded locations of
kernel/initrd/cmdline etc can be printed out to help debug.

Commit eb7622d908a0 ("kexec_file, riscv: print out debugging message if
required") fixes the same issue on RISC-V.

So, remove kexec_image_info() because the content has been printed out
in generic code.

And on Loongson-3A5000, the printed messages look like below:

 kexec_file: kernel: 00000000d9aad283 kernel_size: 0x2e77f30
 kexec_file(EFI): No LoongArch PE image header.
 kexec_file: Loaded initrd at 0x80000000 bufsz=0x1637cd0 memsz=0x1638000
 kexec_file(ELF): Loaded kernel at 0x9c20000 bufsz=0x27f1800 memsz=0x2950000
 kexec_file: nr_segments = 2
 kexec_file: segment[0]: buf=0x00000000cc3e6c33 bufsz=0x27f1800 mem=0x9c20000 memsz=0x2950000
 kexec_file: segment[1]: buf=0x00000000bb75a541 bufsz=0x1637cd0 mem=0x80000000 memsz=0x1638000
 kexec_file: kexec_file_load: type:0, start:0xb15d000 head:0x18db60002 flags:0x8

Signed-off-by: Qiang Ma <maqianga@uniontech.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
arch/loongarch/kernel/machine_kexec.c

index e4b2bbc47e6235e555b34ad4b2e2c71a1fc364a1..2d64b7c81e5e45df2a0ecb5473c8ed3775ac4162 100644 (file)
@@ -39,34 +39,12 @@ static unsigned long systable_ptr;
 static unsigned long start_addr;
 static unsigned long first_ind_entry;
 
-static void kexec_image_info(const struct kimage *kimage)
-{
-       unsigned long i;
-
-       pr_debug("kexec kimage info:\n");
-       pr_debug("\ttype:        %d\n", kimage->type);
-       pr_debug("\tstart:       %lx\n", kimage->start);
-       pr_debug("\thead:        %lx\n", kimage->head);
-       pr_debug("\tnr_segments: %lu\n", kimage->nr_segments);
-
-       for (i = 0; i < kimage->nr_segments; i++) {
-               pr_debug("\t    segment[%lu]: %016lx - %016lx", i,
-                       kimage->segment[i].mem,
-                       kimage->segment[i].mem + kimage->segment[i].memsz);
-               pr_debug("\t\t0x%lx bytes, %lu pages\n",
-                       (unsigned long)kimage->segment[i].memsz,
-                       (unsigned long)kimage->segment[i].memsz /  PAGE_SIZE);
-       }
-}
-
 int machine_kexec_prepare(struct kimage *kimage)
 {
        int i;
        char *bootloader = "kexec";
        void *cmdline_ptr = (void *)KEXEC_CMDLINE_ADDR;
 
-       kexec_image_info(kimage);
-
        kimage->arch.efi_boot = fw_arg0;
        kimage->arch.systable_ptr = fw_arg2;