* Do not allocate memory (or fail in any way) in machine_kexec().
* We are past the point of no return, committed to rebooting now.
*/
-NORET_TYPE void machine_kexec(struct kimage *image)
+void machine_kexec(struct kimage *image)
{
if (ppc_md.machine_kexec)
ppc_md.machine_kexec(image);
ret = parse_crashkernel(boot_command_line, lmb_phys_mem_size(),
&crash_size, &crash_base);
if (ret == 0 && crash_size > 0) {
- if (crash_base == 0)
- crash_base = KDUMP_KERNELBASE;
crashk_res.start = crash_base;
- } else {
- /* handle the device tree */
- crash_size = crashk_res.end - crashk_res.start + 1;
+ crashk_res.end = crash_base + crash_size - 1;
}
- if (crash_size == 0)
+ if (crashk_res.end == crashk_res.start) {
+ crashk_res.start = crashk_res.end = 0;
return;
+ }
/* We might have got these values via the command line or the
* device tree, either way sanitise them now. */
+ crash_size = crashk_res.end - crashk_res.start + 1;
+
if (crashk_res.start != KDUMP_KERNELBASE)
printk("Crash kernel location must be 0x%x\n",
KDUMP_KERNELBASE);