diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/machine_kexec.c | 6 | ||||
| -rw-r--r-- | arch/arm/kernel/process.c | 17 |
2 files changed, 18 insertions, 5 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 598ca61e7bc..3b4872c2da8 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -74,7 +74,11 @@ void machine_kexec(struct kimage *image) (unsigned long) reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE); printk(KERN_INFO "Bye!\n"); - cpu_proc_fin(); + local_irq_disable(); + local_fiq_disable(); setup_mm_for_reboot(0); /* mode is not used, so just pass 0*/ + flush_cache_all(); + cpu_proc_fin(); + flush_cache_all(); cpu_reset(reboot_code_buffer_phys); } diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index a4a9cc88bec..aaf51159203 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -29,6 +29,7 @@ #include <linux/utsname.h> #include <linux/uaccess.h> +#include <asm/cacheflush.h> #include <asm/leds.h> #include <asm/processor.h> #include <asm/system.h> @@ -84,10 +85,9 @@ __setup("hlt", hlt_setup); void arm_machine_restart(char mode, const char *cmd) { - /* - * Clean and disable cache, and turn off interrupts - */ - cpu_proc_fin(); + /* Disable interrupts first */ + local_irq_disable(); + local_fiq_disable(); /* * Tell the mm system that we are going to reboot - @@ -96,6 +96,15 @@ void arm_machine_restart(char mode, const char *cmd) */ setup_mm_for_reboot(mode); + /* Clean and invalidate caches */ + flush_cache_all(); + + /* Turn off caching */ + cpu_proc_fin(); + + /* Push out any further dirty data, and ensure cache is empty */ + flush_cache_all(); + /* * Now call the architecture specific reboot code. */ |