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bitkeeper revision 1.1159.1.506 (41d00f89OifvQoN_EcnO5XuQN0RRjA)

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Update to Linux 2.6.10.
This commit is contained in:
cl349@arcadians.cl.cam.ac.uk committed 2004-12-27 13:35:05 +00:00
1 parent 3ad6377723
commit e1db94cbd1
16 files changed
+276 -80
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.rootkeys
+12 -12
View File
@@ -145,11 +145,14 @@
40f56238bnvciAuyzAiMkdzGErYt1A linux-2.6.10-xen-sparse/arch/xen/i386/kernel/head.S
40f58a0d31M2EkuPbG94ns_nOi0PVA linux-2.6.10-xen-sparse/arch/xen/i386/kernel/i386_ksyms.c
40faa751_zbZlAmLyQgCXdYekVFdWA linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ioport.c
41d00d82zN8IfLBRxc7G_i7lbwT3cQ linux-2.6.10-xen-sparse/arch/xen/i386/kernel/irq.c
40f56238ue3YRsK52HG7iccNzP1AwQ linux-2.6.10-xen-sparse/arch/xen/i386/kernel/ldt.c
4107adf1cNtsuOxOB4T6paAoY2R2PA linux-2.6.10-xen-sparse/arch/xen/i386/kernel/pci-dma.c
40f56238a8iOVDEoostsbun_sy2i4g linux-2.6.10-xen-sparse/arch/xen/i386/kernel/process.c
40f56238YQIJoYG2ehDGEcdTgLmGbg linux-2.6.10-xen-sparse/arch/xen/i386/kernel/setup.c
40f56238nWMQg7CKbyTy0KJNvCzbtg linux-2.6.10-xen-sparse/arch/xen/i386/kernel/signal.c
41811cac4lkCB-fHir6CcxuEJ2pGsQ linux-2.6.10-xen-sparse/arch/xen/i386/kernel/smp.c
41811ca9mbGpqBrZVrUGEiv8CTV3ng linux-2.6.10-xen-sparse/arch/xen/i386/kernel/smpboot.c
40f56238qVGkpO_ycnQA8k03kQzAgA linux-2.6.10-xen-sparse/arch/xen/i386/kernel/time.c
40f56238NzTgeO63RGoxHrW5NQeO3Q linux-2.6.10-xen-sparse/arch/xen/i386/kernel/timers/Makefile
40f56238BMqG5PuSHufpjbvp_helBw linux-2.6.10-xen-sparse/arch/xen/i386/kernel/timers/timer_tsc.c
@@ -175,6 +178,7 @@
412dfae9eA3_6e6bCGUtg1mj8b56fQ linux-2.6.10-xen-sparse/arch/xen/kernel/gnttab.c
40f562392LBhwmOxVPsYdkYXMxI_ZQ linux-2.6.10-xen-sparse/arch/xen/kernel/reboot.c
414c113396tK1HTVeUalm3u-1DF16g linux-2.6.10-xen-sparse/arch/xen/kernel/skbuff.c
418f90e4lGdeJK9rmbOB1kN-IKSjsQ linux-2.6.10-xen-sparse/arch/xen/kernel/smp.c
3f68905c5eiA-lBMQSvXLMWS1ikDEA linux-2.6.10-xen-sparse/arch/xen/kernel/xen_proc.c
41261688yS8eAyy-7kzG4KBs0xbYCA linux-2.6.10-xen-sparse/drivers/Makefile
4108f5c1WfTIrs0HZFeV39sttekCTw linux-2.6.10-xen-sparse/drivers/char/mem.c
@@ -193,6 +197,12 @@
40f56239-JNIaTzlviVJohVdoYOUpw linux-2.6.10-xen-sparse/drivers/xen/blkfront/blkfront.c
40f56239y9naBTXe40Pi2J_z3p-d1g linux-2.6.10-xen-sparse/drivers/xen/blkfront/block.h
40f56239BVfPsXBiWQitXgDRtOsiqg linux-2.6.10-xen-sparse/drivers/xen/blkfront/vbd.c
41a226e0vjAcDXHOnXE5ummcdUD2mg linux-2.6.10-xen-sparse/drivers/xen/blktap/Makefile
41a226e0VeZA1N8tbU6nvJ3OxUcJmw linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap.c
41a226e1k4J5VMLnrYXDWRqElS49YQ linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap.h
41a226e1-A_Hy7utS8vJKaXnH_tzfA linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_controlmsg.c
41a226e19NoUUTOvs7jumDMRYDIO4Q linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_datapath.c
41a226e1MNSyWWK5dEVgvSQ5OW0fDA linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_userdev.c
40f56239fsLjvtD8YBRAWphps4FDjg linux-2.6.10-xen-sparse/drivers/xen/console/Makefile
3e5a4e651TH-SXHoufurnWjgl5bfOA linux-2.6.10-xen-sparse/drivers/xen/console/console.c
40f56239KYxO0YabhPzCTeUuln-lnA linux-2.6.10-xen-sparse/drivers/xen/evtchn/Makefile
@@ -217,6 +227,7 @@
40f5623aKXkBBxgpLx2NcvkncQ1Yyw linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/irq_vectors.h
40f5623aDMCsWOFO0jktZ4e8sjwvEg linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_post.h
40f5623arsFXkGdPvIqvFi3yFXGR0Q linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/setup_arch_pre.h
41811f07Iri9hrvs97t-baxmhOwWDQ linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/smpboot_hooks.h
4120f807GCO0uqsLqdZj9csxR1Wthw linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mmu_context.h
40f5623adgjZq9nAgCt0IXdWl7udSA linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/page.h
40f5623a54NuG-7qHihGYmw4wWQnMA linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/param.h
@@ -229,6 +240,7 @@
412ea0afQL2CAI-f522TbLjLPMibPQ linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/ptrace.h
40f5623bzLvxr7WoJIxVf2OH4rCBJg linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/segment.h
40f5623bG_LzgG6-qwk292nTc5Wabw linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/setup.h
4198c32a8NzmcKVOzKaEJfaQxxiA0A linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/spinlock.h
40f5623bgzm_9vwxpzJswlAxg298Gg linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/synch_bitops.h
40f5623bVdKP7Dt7qm8twu3NcnGNbA linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/system.h
40f5623bc8LKPRO09wY5dGDnY_YCpw linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/tlbflush.h
@@ -253,18 +265,6 @@
412f46c0LJuKAgSPGoC0Z1DEkLfuLA linux-2.6.10-xen-sparse/mm/memory.c
410a94a4KT6I6X0LVc7djB39tRDp4g linux-2.6.10-xen-sparse/mm/page_alloc.c
41505c572m-s9ATiO1LiD1GPznTTIg linux-2.6.10-xen-sparse/net/core/skbuff.c
41811cac4lkCB-fHir6CcxuEJ2pGsQ linux-2.6.9-xen-sparse/arch/xen/i386/kernel/smp.c
41811ca9mbGpqBrZVrUGEiv8CTV3ng linux-2.6.9-xen-sparse/arch/xen/i386/kernel/smpboot.c
418f90e4lGdeJK9rmbOB1kN-IKSjsQ linux-2.6.9-xen-sparse/arch/xen/kernel/smp.c
41a226e0vjAcDXHOnXE5ummcdUD2mg linux-2.6.9-xen-sparse/drivers/xen/blktap/Makefile
41a226e0VeZA1N8tbU6nvJ3OxUcJmw linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap.c
41a226e1k4J5VMLnrYXDWRqElS49YQ linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap.h
41a226e1-A_Hy7utS8vJKaXnH_tzfA linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_controlmsg.c
41a226e19NoUUTOvs7jumDMRYDIO4Q linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_datapath.c
41a226e1MNSyWWK5dEVgvSQ5OW0fDA linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_userdev.c
41a64cdeQ5SWVEVbSZ0K-IeHHhIJ_w linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/hardirq.h
41811f07Iri9hrvs97t-baxmhOwWDQ linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/smpboot_hooks.h
4198c32a8NzmcKVOzKaEJfaQxxiA0A linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/spinlock.h
413cb1e4zst25MDYjg63Y-NGC5_pLg netbsd-2.0-xen-sparse/Makefile
413cb1e5c_Mkxf_X0zimEhTKI_l4DA netbsd-2.0-xen-sparse/mkbuildtree
413cb1e5kY_Zil7-b0kI6hvCIxBEYg netbsd-2.0-xen-sparse/nbconfig-xen
linux-2.6.10-xen-sparse/arch/xen/configs/xen0_defconfig
+3 -3
View File
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.10-rc3-xen0
# Sun Dec 26 10:34:29 2004
# Linux kernel version: 2.6.10-xen0
# Mon Dec 27 10:14:40 2004
#
CONFIG_XEN=y
CONFIG_ARCH_XEN=y
@@ -17,8 +17,8 @@ CONFIG_XEN_BLKDEV_BACKEND=y
CONFIG_XEN_NETDEV_BACKEND=y
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_NETDEV_FRONTEND=y
# CONFIG_XEN_BLKDEV_TAP is not set
# CONFIG_XEN_NETDEV_FRONTEND_PIPELINED_TRANSMITTER is not set
# CONFIG_XEN_BLKDEV_TAP is not set
CONFIG_XEN_WRITABLE_PAGETABLES=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
linux-2.6.10-xen-sparse/arch/xen/configs/xenU_defconfig
+3 -4
View File
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.10-rc3-xenU
# Sun Dec 26 10:35:15 2004
# Linux kernel version: 2.6.10-xenU
# Mon Dec 27 10:15:03 2004
#
CONFIG_XEN=y
CONFIG_ARCH_XEN=y
@@ -13,12 +13,11 @@ CONFIG_NO_IDLE_HZ=y
# CONFIG_XEN_PRIVILEGED_GUEST is not set
# CONFIG_XEN_PHYSDEV_ACCESS is not set
# CONFIG_XEN_BLKDEV_BACKEND is not set
# CONFIG_XEN_BLKDEV_TAP_BE is not set
# CONFIG_XEN_NETDEV_BACKEND is not set
CONFIG_XEN_BLKDEV_FRONTEND=y
CONFIG_XEN_NETDEV_FRONTEND=y
# CONFIG_XEN_BLKDEV_TAP is not set
# CONFIG_XEN_NETDEV_FRONTEND_PIPELINED_TRANSMITTER is not set
# CONFIG_XEN_BLKDEV_TAP is not set
CONFIG_XEN_WRITABLE_PAGETABLES=y
CONFIG_XEN_SCRUB_PAGES=y
CONFIG_HAVE_ARCH_DEV_ALLOC_SKB=y
linux-2.6.10-xen-sparse/arch/xen/i386/kernel/irq.c
+258
View File
@@ -0,0 +1,258 @@
/*
* linux/arch/i386/kernel/irq.c
*
* Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
*
* This file contains the lowest level x86-specific interrupt
* entry, irq-stacks and irq statistics code. All the remaining
* irq logic is done by the generic kernel/irq/ code and
* by the x86-specific irq controller code. (e.g. i8259.c and
* io_apic.c.)
*/
#include <asm/uaccess.h>
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#ifndef CONFIG_X86_LOCAL_APIC
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
*/
void ack_bad_irq(unsigned int irq)
{
printk("unexpected IRQ trap at vector %02x\n", irq);
}
#endif
#ifdef CONFIG_4KSTACKS
/*
* per-CPU IRQ handling contexts (thread information and stack)
*/
union irq_ctx {
struct thread_info tinfo;
u32 stack[THREAD_SIZE/sizeof(u32)];
};
static union irq_ctx *hardirq_ctx[NR_CPUS];
static union irq_ctx *softirq_ctx[NR_CPUS];
#endif
/*
* do_IRQ handles all normal device IRQ's (the special
* SMP cross-CPU interrupts have their own specific
* handlers).
*/
fastcall unsigned int do_IRQ(struct pt_regs *regs)
{
/* high bits used in ret_from_ code */
int irq = regs->orig_eax & __IRQ_MASK(HARDIRQ_BITS);
#ifdef CONFIG_4KSTACKS
union irq_ctx *curctx, *irqctx;
u32 *isp;
#endif
irq_enter();
#ifdef CONFIG_DEBUG_STACKOVERFLOW
/* Debugging check for stack overflow: is there less than 1KB free? */
{
long esp;
__asm__ __volatile__("andl %%esp,%0" :
"=r" (esp) : "0" (THREAD_SIZE - 1));
if (unlikely(esp < (sizeof(struct thread_info) + STACK_WARN))) {
printk("do_IRQ: stack overflow: %ld\n",
esp - sizeof(struct thread_info));
dump_stack();
}
}
#endif
#ifdef CONFIG_4KSTACKS
curctx = (union irq_ctx *) current_thread_info();
irqctx = hardirq_ctx[smp_processor_id()];
/*
* this is where we switch to the IRQ stack. However, if we are
* already using the IRQ stack (because we interrupted a hardirq
* handler) we can't do that and just have to keep using the
* current stack (which is the irq stack already after all)
*/
if (curctx != irqctx) {
int arg1, arg2, ebx;
/* build the stack frame on the IRQ stack */
isp = (u32*) ((char*)irqctx + sizeof(*irqctx));
irqctx->tinfo.task = curctx->tinfo.task;
irqctx->tinfo.previous_esp = current_stack_pointer;
asm volatile(
" xchgl %%ebx,%%esp \n"
" call __do_IRQ \n"
" movl %%ebx,%%esp \n"
: "=a" (arg1), "=d" (arg2), "=b" (ebx)
: "0" (irq), "1" (regs), "2" (isp)
: "memory", "cc", "ecx"
);
} else
#endif
__do_IRQ(irq, regs);
irq_exit();
return 1;
}
#ifdef CONFIG_4KSTACKS
/*
* These should really be __section__(".bss.page_aligned") as well, but
* gcc's 3.0 and earlier don't handle that correctly.
*/
static char softirq_stack[NR_CPUS * THREAD_SIZE]
__attribute__((__aligned__(THREAD_SIZE)));
static char hardirq_stack[NR_CPUS * THREAD_SIZE]
__attribute__((__aligned__(THREAD_SIZE)));
/*
* allocate per-cpu stacks for hardirq and for softirq processing
*/
void irq_ctx_init(int cpu)
{
union irq_ctx *irqctx;
if (hardirq_ctx[cpu])
return;
irqctx = (union irq_ctx*) &hardirq_stack[cpu*THREAD_SIZE];
irqctx->tinfo.task = NULL;
irqctx->tinfo.exec_domain = NULL;
irqctx->tinfo.cpu = cpu;
irqctx->tinfo.preempt_count = HARDIRQ_OFFSET;
irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
hardirq_ctx[cpu] = irqctx;
irqctx = (union irq_ctx*) &softirq_stack[cpu*THREAD_SIZE];
irqctx->tinfo.task = NULL;
irqctx->tinfo.exec_domain = NULL;
irqctx->tinfo.cpu = cpu;
irqctx->tinfo.preempt_count = SOFTIRQ_OFFSET;
irqctx->tinfo.addr_limit = MAKE_MM_SEG(0);
softirq_ctx[cpu] = irqctx;
printk("CPU %u irqstacks, hard=%p soft=%p\n",
cpu,hardirq_ctx[cpu],softirq_ctx[cpu]);
}
extern asmlinkage void __do_softirq(void);
asmlinkage void do_softirq(void)
{
unsigned long flags;
struct thread_info *curctx;
union irq_ctx *irqctx;
u32 *isp;
if (in_interrupt())
return;
local_irq_save(flags);
if (local_softirq_pending()) {
curctx = current_thread_info();
irqctx = softirq_ctx[smp_processor_id()];
irqctx->tinfo.task = curctx->task;
irqctx->tinfo.previous_esp = current_stack_pointer;
/* build the stack frame on the softirq stack */
isp = (u32*) ((char*)irqctx + sizeof(*irqctx));
asm volatile(
" xchgl %%ebx,%%esp \n"
" call __do_softirq \n"
" movl %%ebx,%%esp \n"
: "=b"(isp)
: "0"(isp)
: "memory", "cc", "edx", "ecx", "eax"
);
}
local_irq_restore(flags);
}
EXPORT_SYMBOL(do_softirq);
#endif
/*
* Interrupt statistics:
*/
atomic_t irq_err_count;
/*
* /proc/interrupts printing:
*/
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
struct irqaction * action;
unsigned long flags;
if (i == 0) {
seq_printf(p, " ");
for (j=0; j<NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "CPU%d ",j);
seq_putc(p, '\n');
}
if (i < NR_IRQS) {
spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
seq_printf(p, "%3d: ",i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
for (j = 0; j < NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
#endif
seq_printf(p, " %14s", irq_desc[i].handler->typename);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
seq_putc(p, '\n');
skip:
spin_unlock_irqrestore(&irq_desc[i].lock, flags);
} else if (i == NR_IRQS) {
seq_printf(p, "NMI: ");
for (j = 0; j < NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "%10u ", nmi_count(j));
seq_putc(p, '\n');
#ifdef CONFIG_X86_LOCAL_APIC
seq_printf(p, "LOC: ");
for (j = 0; j < NR_CPUS; j++)
if (cpu_online(j))
seq_printf(p, "%10u ",
irq_stat[j].apic_timer_irqs);
seq_putc(p, '\n');
#endif
seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
#if defined(CONFIG_X86_IO_APIC)
seq_printf(p, "MIS: %10u\n", atomic_read(&irq_mis_count));
#endif
}
return 0;
}
linux-2.6.9-xen-sparse/arch/xen/i386/kernel/smp.c → linux-2.6.10-xen-sparse/arch/xen/i386/kernel/smp.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/arch/xen/i386/kernel/smpboot.c → linux-2.6.10-xen-sparse/arch/xen/i386/kernel/smpboot.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/arch/xen/kernel/smp.c → linux-2.6.10-xen-sparse/arch/xen/kernel/smp.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/Makefile → linux-2.6.10-xen-sparse/drivers/xen/blktap/Makefile
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap.c → linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap.h → linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap.h
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_controlmsg.c → linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_controlmsg.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_datapath.c → linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_datapath.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/drivers/xen/blktap/blktap_userdev.c → linux-2.6.10-xen-sparse/drivers/xen/blktap/blktap_userdev.c
View File
File renamed without changes.
linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/mach-xen/smpboot_hooks.h → linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/mach-xen/smpboot_hooks.h
View File
File renamed without changes.
linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/spinlock.h → linux-2.6.10-xen-sparse/include/asm-xen/asm-i386/spinlock.h
View File
File renamed without changes.
linux-2.6.9-xen-sparse/include/asm-xen/asm-i386/hardirq.h
-61
View File
@@ -1,61 +0,0 @@
#ifndef __ASM_HARDIRQ_H
#define __ASM_HARDIRQ_H
#include <linux/config.h>
#include <linux/threads.h>
#include <linux/irq.h>
typedef struct {
unsigned int __softirq_pending;
unsigned long idle_timestamp;
unsigned int __nmi_count; /* arch dependent */
unsigned int apic_timer_irqs; /* arch dependent */
} ____cacheline_aligned irq_cpustat_t;
#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */
/*
* We put the hardirq and softirq counter into the preemption
* counter. The bitmask has the following meaning:
*
* - bits 0-7 are the preemption count (max preemption depth: 256)
* - bits 8-15 are the softirq count (max # of softirqs: 256)
* - bits 16-24 are the hardirq count (max # of hardirqs: 512)
*
* - ( bit 26 is the PREEMPT_ACTIVE flag. )
*
* PREEMPT_MASK: 0x000000ff
* SOFTIRQ_MASK: 0x0000ff00
* HARDIRQ_MASK: 0x01ff0000
*/
#define PREEMPT_BITS 8
#define SOFTIRQ_BITS 8
#define HARDIRQ_BITS 9
#define PREEMPT_SHIFT 0
#define SOFTIRQ_SHIFT (PREEMPT_SHIFT + PREEMPT_BITS)
#define HARDIRQ_SHIFT (SOFTIRQ_SHIFT + SOFTIRQ_BITS)
/*
* The hardirq mask has to be large enough to have
* space for potentially all IRQ sources in the system
* nesting on a single CPU:
*/
#if (1 << HARDIRQ_BITS) < NR_IRQS
# error HARDIRQ_BITS is too low!
#endif
#define nmi_enter() (irq_enter())
#define nmi_exit() (preempt_count() -= HARDIRQ_OFFSET)
#define irq_enter() (preempt_count() += HARDIRQ_OFFSET)
#define irq_exit() \
do { \
preempt_count() -= IRQ_EXIT_OFFSET; \
if (!in_interrupt() && softirq_pending(smp_processor_id())) \
do_softirq(); \
preempt_enable_no_resched(); \
} while (0)
#endif /* __ASM_HARDIRQ_H */
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