Merge branch 'parisc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...

[sfrench/cifs-2.6.git] / arch / arm / kernel / machine_kexec.c

diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 15495887ca14eedc883daa60b9a9a034913f0c3e..fe1419eeb9321ea553fcd68462596dadaf385185 100644 (file)
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -30,7 +30,6 @@ extern unsigned long kexec_boot_atags;
 
 static atomic_t waiting_for_crash_ipi;
 
-static unsigned long dt_mem;
 /*
  * Provide a dummy crash_notes definition while crash dump arrives to arm.
  * This prevents breakage of crash_notes attribute in kernel/ksysfs.c.
@@ -42,6 +41,9 @@ int machine_kexec_prepare(struct kimage *image)
        __be32 header;
        int i, err;
 
+       image->arch.kernel_r2 = image->start - KEXEC_ARM_ZIMAGE_OFFSET
+                                    + KEXEC_ARM_ATAGS_OFFSET;
+
        /*
         * Validate that if the current HW supports SMP, then the SW supports
         * and implements CPU hotplug for the current HW. If not, we won't be
@@ -66,8 +68,8 @@ int machine_kexec_prepare(struct kimage *image)
                if (err)
                        return err;
 
-               if (be32_to_cpu(header) == OF_DT_HEADER)
-                       dt_mem = current_segment->mem;
+               if (header == cpu_to_be32(OF_DT_HEADER))
+                       image->arch.kernel_r2 = current_segment->mem;
        }
        return 0;
 }
@@ -165,8 +167,7 @@ void machine_kexec(struct kimage *image)
        kexec_start_address = image->start;
        kexec_indirection_page = page_list;
        kexec_mach_type = machine_arch_type;
-       kexec_boot_atags = dt_mem ?: image->start - KEXEC_ARM_ZIMAGE_OFFSET
-                                    + KEXEC_ARM_ATAGS_OFFSET;
+       kexec_boot_atags = image->arch.kernel_r2;
 
        /* copy our kernel relocation code to the control code page */
        reboot_entry = fncpy(reboot_code_buffer,