diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/entry-armv.S | 1 | ||||
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 2 | ||||
| -rw-r--r-- | arch/arm/kernel/irq.c | 20 | ||||
| -rw-r--r-- | arch/arm/kernel/machine_kexec.c | 4 | ||||
| -rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 1 |
5 files changed, 18 insertions, 10 deletions
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S index 77b04747553..85040cfeb5e 100644 --- a/arch/arm/kernel/entry-armv.S +++ b/arch/arm/kernel/entry-armv.S @@ -650,6 +650,7 @@ ENTRY(fp_enter) no_fp: mov pc, lr __und_usr_unknown: + enable_irq mov r0, sp adr lr, ret_from_exception b do_undefinstr diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S index 06269ea375c..49a6ba926c2 100644 --- a/arch/arm/kernel/entry-common.S +++ b/arch/arm/kernel/entry-common.S @@ -136,7 +136,7 @@ ENTRY(mcount) ldmia sp!, {r0-r3, pc} trace: - ldr r1, [fp, #-4] + ldr r1, [fp, #-4] @ lr of instrumented routine mov r0, lr sub r0, r0, #MCOUNT_INSN_SIZE mov lr, pc diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index 7141cee1fab..45eacb5a2ec 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -101,9 +101,14 @@ unlock: /* Handle bad interrupts */ static struct irq_desc bad_irq_desc = { .handle_irq = handle_bad_irq, - .lock = SPIN_LOCK_UNLOCKED + .lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock), }; +#ifdef CONFIG_CPUMASK_OFFSTACK +/* We are not allocating bad_irq_desc.affinity or .pending_mask */ +#error "ARM architecture does not support CONFIG_CPUMASK_OFFSTACK." +#endif + /* * do_IRQ handles all hardware IRQ's. Decoded IRQs should not * come via this function. Instead, they should provide their @@ -161,7 +166,7 @@ void __init init_IRQ(void) irq_desc[irq].status |= IRQ_NOREQUEST | IRQ_NOPROBE; #ifdef CONFIG_SMP - bad_irq_desc.affinity = CPU_MASK_ALL; + cpumask_setall(bad_irq_desc.affinity); bad_irq_desc.cpu = smp_processor_id(); #endif init_arch_irq(); @@ -191,15 +196,16 @@ void migrate_irqs(void) struct irq_desc *desc = irq_desc + i; if (desc->cpu == cpu) { - unsigned int newcpu = any_online_cpu(desc->affinity); - - if (newcpu == NR_CPUS) { + unsigned int newcpu = cpumask_any_and(desc->affinity, + cpu_online_mask); + if (newcpu >= nr_cpu_ids) { if (printk_ratelimit()) printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n", i, cpu); - cpus_setall(desc->affinity); - newcpu = any_online_cpu(desc->affinity); + cpumask_setall(desc->affinity); + newcpu = cpumask_any_and(desc->affinity, + cpu_online_mask); } route_irq(desc, i, newcpu); diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 440dc62cdc3..598ca61e7bc 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -13,8 +13,8 @@ #include <asm/cacheflush.h> #include <asm/mach-types.h> -const extern unsigned char relocate_new_kernel[]; -const extern unsigned int relocate_new_kernel_size; +extern const unsigned char relocate_new_kernel[]; +extern const unsigned int relocate_new_kernel_size; extern void setup_mm_for_reboot(char mode); diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 00216071eaf..85598f7da40 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -65,6 +65,7 @@ SECTIONS #endif . = ALIGN(4096); __per_cpu_start = .; + *(.data.percpu.page_aligned) *(.data.percpu) *(.data.percpu.shared_aligned) __per_cpu_end = .; |