diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:47:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-03-30 08:50:06 +0200 |
| commit | 186e54cbe1145f4d11e32fe10e7e20a11f1b27dd (patch) | |
| tree | 9b6cf3667a3ea90e0cec0ea7119688ba76c55a71 /arch/arm/kernel/machine_kexec.c | |
| parent | 99dd5497e5be4fe4194cad181d45fd6569a930db (diff) | |
| parent | 4bde23f8751f388867766b0a62ed1ef8b7e01561 (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: Needed for include file dependencies.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel/machine_kexec.c')
| -rw-r--r-- | arch/arm/kernel/machine_kexec.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 764bd456d84f..dfcdb9f7c126 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -7,12 +7,13 @@ #include <linux/delay.h> #include <linux/reboot.h> #include <linux/io.h> +#include <linux/irq.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> #include <asm/mach-types.h> -#include <asm/system.h> +#include <asm/system_misc.h> extern const unsigned char relocate_new_kernel[]; extern const unsigned int relocate_new_kernel_size; @@ -53,6 +54,29 @@ void machine_crash_nonpanic_core(void *unused) cpu_relax(); } +static void machine_kexec_mask_interrupts(void) +{ + unsigned int i; + struct irq_desc *desc; + + for_each_irq_desc(i, desc) { + struct irq_chip *chip; + + chip = irq_desc_get_chip(desc); + if (!chip) + continue; + + if (chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data)) + chip->irq_eoi(&desc->irq_data); + + if (chip->irq_mask) + chip->irq_mask(&desc->irq_data); + + if (chip->irq_disable && !irqd_irq_disabled(&desc->irq_data)) + chip->irq_disable(&desc->irq_data); + } +} + void machine_crash_shutdown(struct pt_regs *regs) { unsigned long msecs; @@ -70,6 +94,7 @@ void machine_crash_shutdown(struct pt_regs *regs) printk(KERN_WARNING "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"); } |