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genirq: revert dynarray

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Revert the dynarray changes. They need more thought and polishing.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner
2008-10-16 16:53:15 +02:00
committed by Ingo Molnar
parent ee32c97322
commit d6c88a507e
19 changed files with 103 additions and 496 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/asm-generic/vmlinux.lds.h
-13
View File
@@ -210,19 +210,6 @@
* All archs are supposed to use RO_DATA() */
#define RODATA RO_DATA(4096)
#define DYN_ARRAY_INIT(align) \
. = ALIGN((align)); \
.dyn_array.init : AT(ADDR(.dyn_array.init) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__dyn_array_start) = .; \
*(.dyn_array.init) \
VMLINUX_SYMBOL(__dyn_array_end) = .; \
} \
. = ALIGN((align)); \
.per_cpu_dyn_array.init : AT(ADDR(.per_cpu_dyn_array.init) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__per_cpu_dyn_array_start) = .; \
*(.per_cpu_dyn_array.init) \
VMLINUX_SYMBOL(__per_cpu_dyn_array_end) = .; \
}
#define SECURITY_INIT \
.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__security_initcall_start) = .; \
include/linux/init.h
-43
View File
@@ -247,49 +247,6 @@ struct obs_kernel_param {
/* Relies on boot_command_line being set */
void __init parse_early_param(void);
struct dyn_array {
void **name;
unsigned long size;
unsigned int *nr;
unsigned long align;
void (*init_work)(void *);
};
extern struct dyn_array *__dyn_array_start[], *__dyn_array_end[];
extern struct dyn_array *__per_cpu_dyn_array_start[], *__per_cpu_dyn_array_end[];
#define DEFINE_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
static struct dyn_array __dyn_array_##nameX __initdata = \
{ .name = (void **)&(nameX),\
.size = sizeX,\
.nr = &(nrX),\
.align = alignX,\
.init_work = init_workX,\
}; \
static struct dyn_array *__dyn_array_ptr_##nameX __used \
__attribute__((__section__(".dyn_array.init"))) = \
&__dyn_array_##nameX
#define DEFINE_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
DEFINE_DYN_ARRAY_ADDR(nameX, nameX, sizeX, nrX, alignX, init_workX)
#define DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, addrX, sizeX, nrX, alignX, init_workX) \
static struct dyn_array __per_cpu_dyn_array_##nameX __initdata = \
{ .name = (void **)&(addrX),\
.size = sizeX,\
.nr = &(nrX),\
.align = alignX,\
.init_work = init_workX,\
}; \
static struct dyn_array *__per_cpu_dyn_array_ptr_##nameX __used \
__attribute__((__section__(".per_cpu_dyn_array.init"))) = \
&__per_cpu_dyn_array_##nameX
#define DEFINE_PER_CPU_DYN_ARRAY(nameX, sizeX, nrX, alignX, init_workX) \
DEFINE_PER_CPU_DYN_ARRAY_ADDR(nameX, nameX, nrX, alignX, init_workX)
extern void pre_alloc_dyn_array(void);
extern unsigned long per_cpu_dyn_array_size(unsigned long *align);
extern void per_cpu_alloc_dyn_array(int cpu, char *ptr);
#endif /* __ASSEMBLY__ */
/**
include/linux/irq.h
-15
View File
@@ -139,8 +139,6 @@ struct irq_chip {
const char *typename;
};
struct timer_rand_state;
struct irq_2_iommu;
/**
* struct irq_desc - interrupt descriptor
*
@@ -167,9 +165,6 @@ struct irq_2_iommu;
*/
struct irq_desc {
unsigned int irq;
#ifdef CONFIG_HAVE_DYN_ARRAY
unsigned int *kstat_irqs;
#endif
irq_flow_handler_t handle_irq;
struct irq_chip *chip;
struct msi_desc *msi_desc;
@@ -198,23 +193,13 @@ struct irq_desc {
} ____cacheline_internodealigned_in_smp;
#ifndef CONFIG_HAVE_DYN_ARRAY
/* could be removed if we get rid of all irq_desc reference */
extern struct irq_desc irq_desc[NR_IRQS];
#else
extern struct irq_desc *irq_desc;
#endif
static inline struct irq_desc *irq_to_desc(unsigned int irq)
{
return (irq < nr_irqs) ? irq_desc + irq : NULL;
}
#ifdef CONFIG_HAVE_DYN_ARRAY
#define kstat_irqs_this_cpu(DESC) \
((DESC)->kstat_irqs[smp_processor_id()])
#endif
/*
* Migration helpers for obsolete names, they will go away:
*/
include/linux/kernel_stat.h
+6 -10
View File
@@ -28,9 +28,7 @@ struct cpu_usage_stat {
struct kernel_stat {
struct cpu_usage_stat cpustat;
#ifndef CONFIG_HAVE_DYN_ARRAY
unsigned int irqs[NR_IRQS];
#endif
};
DECLARE_PER_CPU(struct kernel_stat, kstat);
@@ -41,20 +39,18 @@ DECLARE_PER_CPU(struct kernel_stat, kstat);
extern unsigned long long nr_context_switches(void);
#ifndef CONFIG_HAVE_DYN_ARRAY
#define kstat_irqs_this_cpu(irq) \
(kstat_this_cpu.irqs[irq])
#endif
struct irq_desc;
static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
struct irq_desc *desc)
{
kstat_this_cpu.irqs[irq]++;
}
#ifndef CONFIG_HAVE_DYN_ARRAY
static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
{
return kstat_cpu(cpu).irqs[irq];
}
#else
extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
#endif
/*
* Number of interrupts per specific IRQ source, since bootup