#include <linux/stddef.h>
#include <linux/types.h>
#include <linux/cache.h>
+#include <asm/page.h>
/* Per processor datastructure. %gs points to it while the kernel runs */
struct x8664_pda {
unsigned long data_offset; /* Per cpu data offset from linker address */
unsigned long kernelstack; /* top of kernel stack for current */
unsigned long oldrsp; /* user rsp for system call */
+#if DEBUG_STKSZ > EXCEPTION_STKSZ
+ unsigned long debugstack; /* #DB/#BP stack. */
+#endif
int irqcount; /* Irq nesting counter. Starts with -1 */
int cpunumber; /* Logical CPU number */
char *irqstackptr; /* top of irqstack */
int nodenumber; /* number of current node */
unsigned int __softirq_pending;
unsigned int __nmi_count; /* number of NMI on this CPUs */
- struct mm_struct *active_mm;
int mmu_state;
+ struct mm_struct *active_mm;
unsigned apic_timer_irqs;
} ____cacheline_aligned_in_smp;
+extern struct x8664_pda *_cpu_pda[];
+extern struct x8664_pda boot_cpu_pda[];
-#define IRQSTACK_ORDER 2
-#define IRQSTACKSIZE (PAGE_SIZE << IRQSTACK_ORDER)
-
-extern struct x8664_pda cpu_pda[];
+#define cpu_pda(i) (_cpu_pda[i])
/*
* There is no fast way to get the base address of the PDA, all the accesses