diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/check.c | 27 | ||||
| -rw-r--r-- | arch/x86/mm/init_32.c | 2 | ||||
| -rw-r--r-- | arch/x86/mm/init_64.c | 2 |
3 files changed, 17 insertions, 14 deletions
diff --git a/arch/x86/kernel/check.c b/arch/x86/kernel/check.c index 5056703e1b05..55eed1752b43 100644 --- a/arch/x86/kernel/check.c +++ b/arch/x86/kernel/check.c | |||
| @@ -1,6 +1,7 @@ | |||
| 1 | #include <linux/module.h> | 1 | #include <linux/module.h> |
| 2 | #include <linux/sched.h> | 2 | #include <linux/sched.h> |
| 3 | 3 | #include <linux/kthread.h> | |
| 4 | #include <linux/workqueue.h> | ||
| 4 | #include <asm/e820.h> | 5 | #include <asm/e820.h> |
| 5 | #include <asm/proto.h> | 6 | #include <asm/proto.h> |
| 6 | 7 | ||
| @@ -108,13 +109,14 @@ void __init setup_bios_corruption_check(void) | |||
| 108 | update_e820(); | 109 | update_e820(); |
| 109 | } | 110 | } |
| 110 | 111 | ||
| 111 | static struct timer_list periodic_check_timer; | ||
| 112 | 112 | ||
| 113 | void check_for_bios_corruption(void) | 113 | void check_for_bios_corruption(void) |
| 114 | { | 114 | { |
| 115 | int i; | 115 | int i; |
| 116 | int corruption = 0; | 116 | int corruption = 0; |
| 117 | 117 | ||
| 118 | printk("dot\n"); | ||
| 119 | |||
| 118 | if (!memory_corruption_check) | 120 | if (!memory_corruption_check) |
| 119 | return; | 121 | return; |
| 120 | 122 | ||
| @@ -135,24 +137,29 @@ void check_for_bios_corruption(void) | |||
| 135 | WARN(corruption, KERN_ERR "Memory corruption detected in low memory\n"); | 137 | WARN(corruption, KERN_ERR "Memory corruption detected in low memory\n"); |
| 136 | } | 138 | } |
| 137 | 139 | ||
| 138 | static void periodic_check_for_corruption(unsigned long data) | 140 | static void check_corruption(struct work_struct *dummy); |
| 141 | static DECLARE_DELAYED_WORK(bios_check_work, check_corruption); | ||
| 142 | |||
| 143 | static void check_corruption(struct work_struct *dummy) | ||
| 139 | { | 144 | { |
| 140 | check_for_bios_corruption(); | 145 | check_for_bios_corruption(); |
| 141 | mod_timer(&periodic_check_timer, | 146 | schedule_delayed_work(&bios_check_work, |
| 142 | round_jiffies(jiffies + corruption_check_period*HZ)); | 147 | round_jiffies_relative(corruption_check_period*HZ)); |
| 143 | } | 148 | } |
| 144 | 149 | ||
| 145 | void start_periodic_check_for_corruption(void) | 150 | static int start_periodic_check_for_corruption(void) |
| 146 | { | 151 | { |
| 147 | if (!memory_corruption_check || corruption_check_period == 0) | 152 | if (!memory_corruption_check || corruption_check_period == 0) |
| 148 | return; | 153 | return 0; |
| 149 | 154 | ||
| 150 | printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n", | 155 | printk(KERN_INFO "Scanning for low memory corruption every %d seconds\n", |
| 151 | corruption_check_period); | 156 | corruption_check_period); |
| 152 | 157 | ||
| 153 | init_timer(&periodic_check_timer); | 158 | /* First time we run the checks right away */ |
| 154 | periodic_check_timer.function = &periodic_check_for_corruption; | 159 | schedule_delayed_work(&bios_check_work, 0); |
| 155 | periodic_check_for_corruption(0); | 160 | return 0; |
| 156 | } | 161 | } |
| 162 | |||
| 163 | module_init(start_periodic_check_for_corruption); | ||
| 157 | #endif | 164 | #endif |
| 158 | 165 | ||
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c index 8396868e82c5..5e6377560ff1 100644 --- a/arch/x86/mm/init_32.c +++ b/arch/x86/mm/init_32.c | |||
| @@ -970,8 +970,6 @@ void __init mem_init(void) | |||
| 970 | int codesize, reservedpages, datasize, initsize; | 970 | int codesize, reservedpages, datasize, initsize; |
| 971 | int tmp; | 971 | int tmp; |
| 972 | 972 | ||
| 973 | start_periodic_check_for_corruption(); | ||
| 974 | |||
| 975 | #ifdef CONFIG_FLATMEM | 973 | #ifdef CONFIG_FLATMEM |
| 976 | BUG_ON(!mem_map); | 974 | BUG_ON(!mem_map); |
| 977 | #endif | 975 | #endif |
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index b8e461d49412..d6ef1589b95a 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c | |||
| @@ -879,8 +879,6 @@ void __init mem_init(void) | |||
| 879 | { | 879 | { |
| 880 | long codesize, reservedpages, datasize, initsize; | 880 | long codesize, reservedpages, datasize, initsize; |
| 881 | 881 | ||
| 882 | start_periodic_check_for_corruption(); | ||
| 883 | |||
| 884 | pci_iommu_alloc(); | 882 | pci_iommu_alloc(); |
| 885 | 883 | ||
| 886 | /* clear_bss() already clear the empty_zero_page */ | 884 | /* clear_bss() already clear the empty_zero_page */ |
