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| author | Marcin Nowakowski <marcin.nowakowski@imgtec.com> | 2016-11-23 14:43:51 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2017-01-03 16:34:46 +0100 |
| commit | 856b0f591e951a234d6642cc466023df182eb51c (patch) | |
| tree | a7b54af7b77f0f6c8df7412c340cc24cd0726816 | |
| parent | MIPS: kexec: Do not reserve invalid crashkernel memory on boot (diff) | |
| download | linux-856b0f591e951a234d6642cc466023df182eb51c.tar.xz linux-856b0f591e951a234d6642cc466023df182eb51c.zip | |
MIPS: kexec: add debug info about the new kexec'ed image
Print details of the new kexec image loaded.
Based on the original code from
commit 221f2c770e10d ("arm64/kexec: Add pr_debug output")
Signed-off-by: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/14614/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/machine_kexec.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/kernel/machine_kexec.c b/arch/mips/kernel/machine_kexec.c index 59725204105c..8b574bcd39ba 100644 --- a/arch/mips/kernel/machine_kexec.c +++ b/arch/mips/kernel/machine_kexec.c @@ -28,9 +28,31 @@ atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0); void (*_crash_smp_send_stop)(void) = NULL; #endif +static void kexec_image_info(const struct kimage *kimage) +{ + unsigned long i; + + pr_debug("kexec kimage info:\n"); + pr_debug(" type: %d\n", kimage->type); + pr_debug(" start: %lx\n", kimage->start); + pr_debug(" head: %lx\n", kimage->head); + pr_debug(" nr_segments: %lu\n", kimage->nr_segments); + + for (i = 0; i < kimage->nr_segments; i++) { + pr_debug(" segment[%lu]: %016lx - %016lx, 0x%lx bytes, %lu pages\n", + i, + kimage->segment[i].mem, + kimage->segment[i].mem + kimage->segment[i].memsz, + (unsigned long)kimage->segment[i].memsz, + (unsigned long)kimage->segment[i].memsz / PAGE_SIZE); + } +} + int machine_kexec_prepare(struct kimage *kimage) { + kexec_image_info(kimage); + if (_machine_kexec_prepare) return _machine_kexec_prepare(kimage); return 0; |