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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 11:35:36 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-02-10 11:35:36 -0800
commit4ba24fef3eb3b142197135223b90ced2f319cd53 (patch)
treea20c125b27740ec7b4c761b11d801108e1b316b2 /arch/arm/kernel/machine_kexec.c
parent47c1ffb2b6b630894e9a16442611c056ab21c057 (diff)
parent98a4a59ee31a12105a2b84f5b8b515ac2cb208ef (diff)
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.20.
Diffstat (limited to 'arch/arm/kernel/machine_kexec.c')
-rw-r--r--arch/arm/kernel/machine_kexec.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 8cf0996aa1a..de2b085ad75 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -29,6 +29,7 @@ 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.
@@ -64,7 +65,7 @@ int machine_kexec_prepare(struct kimage *image)
return err;
if (be32_to_cpu(header) == OF_DT_HEADER)
- kexec_boot_atags = current_segment->mem;
+ dt_mem = current_segment->mem;
}
return 0;
}
@@ -126,12 +127,12 @@ void machine_crash_shutdown(struct pt_regs *regs)
msecs--;
}
if (atomic_read(&waiting_for_crash_ipi) > 0)
- printk(KERN_WARNING "Non-crashing CPUs did not react to IPI\n");
+ pr_warn("Non-crashing CPUs did not react to IPI\n");
crash_save_cpu(regs, smp_processor_id());
machine_kexec_mask_interrupts();
- printk(KERN_INFO "Loading crashdump kernel...\n");
+ pr_info("Loading crashdump kernel...\n");
}
/*
@@ -163,12 +164,12 @@ void machine_kexec(struct kimage *image)
reboot_code_buffer = page_address(image->control_code_page);
/* Prepare parameters for reboot_code_buffer*/
+ set_kernel_text_rw();
kexec_start_address = image->start;
kexec_indirection_page = page_list;
kexec_mach_type = machine_arch_type;
- if (!kexec_boot_atags)
- kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET;
-
+ kexec_boot_atags = dt_mem ?: image->start - KEXEC_ARM_ZIMAGE_OFFSET
+ + KEXEC_ARM_ATAGS_OFFSET;
/* copy our kernel relocation code to the control code page */
reboot_entry = fncpy(reboot_code_buffer,
@@ -177,7 +178,7 @@ void machine_kexec(struct kimage *image)
reboot_entry_phys = (unsigned long)reboot_entry +
(reboot_code_buffer_phys - (unsigned long)reboot_code_buffer);
- printk(KERN_INFO "Bye!\n");
+ pr_info("Bye!\n");
if (kexec_reinit)
kexec_reinit();