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author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-12-20 17:01:18 -0500 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-12-20 17:01:18 -0500 |
commit | cb85f123cd2393581bcffad335bfc6bcdd58569c (patch) | |
tree | 7b0de48b2a13ca96251c02245ab906f7efa3ac18 /arch/arm/kernel/machine_kexec.c | |
parent | b79d2ff98caee60c07a7598aba3b26acd1655a99 (diff) | |
parent | caca6a03d365883564885f2c1da3e88dcf65d139 (diff) |
Merge commit 'v3.2-rc3' into stable/for-linus-3.3
* commit 'v3.2-rc3': (412 commits)
Linux 3.2-rc3
virtio-pci: make reset operation safer
virtio-mmio: Correct the name of the guest features selector
virtio: add HAS_IOMEM dependency to MMIO platform bus driver
eCryptfs: Extend array bounds for all filename chars
eCryptfs: Flush file in vma close
eCryptfs: Prevent file create race condition
regulator: TPS65910: Fix VDD1/2 voltage selector count
i2c: Make i2cdev_notifier_call static
i2c: Delete ANY_I2C_BUS
i2c: Fix device name for 10-bit slave address
i2c-algo-bit: Generate correct i2c address sequence for 10-bit target
drm: integer overflow in drm_mode_dirtyfb_ioctl()
Revert "of/irq: of_irq_find_parent: check for parent equal to child"
drivers/gpu/vga/vgaarb.c: add missing kfree
drm/radeon/kms/atom: unify i2c gpio table handling
drm/radeon/kms: fix up gpio i2c mask bits for r4xx for real
ttm: Don't return the bo reserved on error path
mount_subtree() pointless use-after-free
iio: fix a leak due to improper use of anon_inode_getfd()
...
Diffstat (limited to 'arch/arm/kernel/machine_kexec.c')
-rw-r--r-- | arch/arm/kernel/machine_kexec.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index c1b4463dcc83..e59bbd496c39 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c | |||
@@ -32,24 +32,6 @@ static atomic_t waiting_for_crash_ipi; | |||
32 | 32 | ||
33 | int machine_kexec_prepare(struct kimage *image) | 33 | int machine_kexec_prepare(struct kimage *image) |
34 | { | 34 | { |
35 | unsigned long page_list; | ||
36 | void *reboot_code_buffer; | ||
37 | page_list = image->head & PAGE_MASK; | ||
38 | |||
39 | reboot_code_buffer = page_address(image->control_code_page); | ||
40 | |||
41 | /* Prepare parameters for reboot_code_buffer*/ | ||
42 | kexec_start_address = image->start; | ||
43 | kexec_indirection_page = page_list; | ||
44 | kexec_mach_type = machine_arch_type; | ||
45 | kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; | ||
46 | |||
47 | /* copy our kernel relocation code to the control code page */ | ||
48 | memcpy(reboot_code_buffer, | ||
49 | relocate_new_kernel, relocate_new_kernel_size); | ||
50 | |||
51 | flush_icache_range((unsigned long) reboot_code_buffer, | ||
52 | (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); | ||
53 | return 0; | 35 | return 0; |
54 | } | 36 | } |
55 | 37 | ||
@@ -100,14 +82,31 @@ void (*kexec_reinit)(void); | |||
100 | 82 | ||
101 | void machine_kexec(struct kimage *image) | 83 | void machine_kexec(struct kimage *image) |
102 | { | 84 | { |
85 | unsigned long page_list; | ||
103 | unsigned long reboot_code_buffer_phys; | 86 | unsigned long reboot_code_buffer_phys; |
104 | void *reboot_code_buffer; | 87 | void *reboot_code_buffer; |
105 | 88 | ||
89 | |||
90 | page_list = image->head & PAGE_MASK; | ||
91 | |||
106 | /* we need both effective and real address here */ | 92 | /* we need both effective and real address here */ |
107 | reboot_code_buffer_phys = | 93 | reboot_code_buffer_phys = |
108 | page_to_pfn(image->control_code_page) << PAGE_SHIFT; | 94 | page_to_pfn(image->control_code_page) << PAGE_SHIFT; |
109 | reboot_code_buffer = page_address(image->control_code_page); | 95 | reboot_code_buffer = page_address(image->control_code_page); |
110 | 96 | ||
97 | /* Prepare parameters for reboot_code_buffer*/ | ||
98 | kexec_start_address = image->start; | ||
99 | kexec_indirection_page = page_list; | ||
100 | kexec_mach_type = machine_arch_type; | ||
101 | kexec_boot_atags = image->start - KEXEC_ARM_ZIMAGE_OFFSET + KEXEC_ARM_ATAGS_OFFSET; | ||
102 | |||
103 | /* copy our kernel relocation code to the control code page */ | ||
104 | memcpy(reboot_code_buffer, | ||
105 | relocate_new_kernel, relocate_new_kernel_size); | ||
106 | |||
107 | |||
108 | flush_icache_range((unsigned long) reboot_code_buffer, | ||
109 | (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); | ||
111 | printk(KERN_INFO "Bye!\n"); | 110 | printk(KERN_INFO "Bye!\n"); |
112 | 111 | ||
113 | if (kexec_reinit) | 112 | if (kexec_reinit) |