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Commit 0bb3184d authored by Li Shaohua's avatar Li Shaohua Committed by Linus Torvalds
Browse files

[PATCH] init call cleanup 



Trival patch for CPU hotplug.  In CPU identify part, only did cleaup for intel
CPUs.  Need do for other CPUs if they support S3 SMP.

Signed-off-by: default avatarLi <Shaohua&lt;shaohua.li@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent d720803a

arch/i386/kernel/apic.c

+7 −7
Original line number Diff line number Diff line
@@ -364,7 +364,7 @@ void __init init_bsp_APIC(void) 
	apic_write_around(APIC_LVT1, value);

}



void __init setup_local_APIC (void)

void __devinit setup_local_APIC(void)

{

	unsigned long oldvalue, value, ver, maxlvt;
@@ -635,7 +635,7 @@ static struct sys_device device_lapic = { 
	.cls	= &lapic_sysclass,

};



static void __init apic_pm_activate(void)

static void __devinit apic_pm_activate(void)

{

	apic_pm_state.active = 1;

}
@@ -856,7 +856,7 @@ void __init init_apic_mappings(void) 
 * but we do not accept timer interrupts yet. We only allow the BP

 * to calibrate.

 */

static unsigned int __init get_8254_timer_count(void)

static unsigned int __devinit get_8254_timer_count(void)

{

	extern spinlock_t i8253_lock;

	unsigned long flags;
@@ -875,7 +875,7 @@ static unsigned int __init get_8254_timer_count(void) 
}



/* next tick in 8254 can be caught by catching timer wraparound */

static void __init wait_8254_wraparound(void)

static void __devinit wait_8254_wraparound(void)

{

	unsigned int curr_count, prev_count;
@@ -895,7 +895,7 @@ static void __init wait_8254_wraparound(void) 
 * Default initialization for 8254 timers. If we use other timers like HPET,

 * we override this later

 */

void (*wait_timer_tick)(void) __initdata = wait_8254_wraparound;

void (*wait_timer_tick)(void) __devinitdata = wait_8254_wraparound;



/*

 * This function sets up the local APIC timer, with a timeout of
@@ -931,7 +931,7 @@ static void __setup_APIC_LVTT(unsigned int clocks) 
	apic_write_around(APIC_TMICT, clocks/APIC_DIVISOR);

}



static void __init setup_APIC_timer(unsigned int clocks)

static void __devinit setup_APIC_timer(unsigned int clocks)

{

	unsigned long flags;
@@ -1044,7 +1044,7 @@ void __init setup_boot_APIC_clock(void) 
	local_irq_enable();

}



void __init setup_secondary_APIC_clock(void)

void __devinit setup_secondary_APIC_clock(void)

{

	setup_APIC_timer(calibration_result);

}

arch/i386/kernel/cpu/common.c

+15 −15
Original line number Diff line number Diff line
@@ -24,9 +24,9 @@ EXPORT_PER_CPU_SYMBOL(cpu_gdt_table); 
DEFINE_PER_CPU(unsigned char, cpu_16bit_stack[CPU_16BIT_STACK_SIZE]);

EXPORT_PER_CPU_SYMBOL(cpu_16bit_stack);



static int cachesize_override __initdata = -1;

static int disable_x86_fxsr __initdata = 0;

static int disable_x86_serial_nr __initdata = 1;

static int cachesize_override __devinitdata = -1;

static int disable_x86_fxsr __devinitdata = 0;

static int disable_x86_serial_nr __devinitdata = 1;



struct cpu_dev * cpu_devs[X86_VENDOR_NUM] = {};
@@ -59,7 +59,7 @@ static int __init cachesize_setup(char *str) 
}

__setup("cachesize=", cachesize_setup);



int __init get_model_name(struct cpuinfo_x86 *c)

int __devinit get_model_name(struct cpuinfo_x86 *c)

{

	unsigned int *v;

	char *p, *q;
@@ -89,7 +89,7 @@ int __init get_model_name(struct cpuinfo_x86 *c) 
}





void __init display_cacheinfo(struct cpuinfo_x86 *c)

void __devinit display_cacheinfo(struct cpuinfo_x86 *c)

{

	unsigned int n, dummy, ecx, edx, l2size;
@@ -130,7 +130,7 @@ void __init display_cacheinfo(struct cpuinfo_x86 *c) 
/* in particular, if CPUID levels 0x80000002..4 are supported, this isn't used */



/* Look up CPU names by table lookup. */

static char __init *table_lookup_model(struct cpuinfo_x86 *c)

static char __devinit *table_lookup_model(struct cpuinfo_x86 *c)

{

	struct cpu_model_info *info;
@@ -151,7 +151,7 @@ static char __init *table_lookup_model(struct cpuinfo_x86 *c) 
}





void __init get_cpu_vendor(struct cpuinfo_x86 *c, int early)

void __devinit get_cpu_vendor(struct cpuinfo_x86 *c, int early)

{

	char *v = c->x86_vendor_id;

	int i;
@@ -202,7 +202,7 @@ static inline int flag_is_changeable_p(u32 flag) 




/* Probe for the CPUID instruction */

static int __init have_cpuid_p(void)

static int __devinit have_cpuid_p(void)

{

	return flag_is_changeable_p(X86_EFLAGS_ID);

}
@@ -249,7 +249,7 @@ static void __init early_cpu_detect(void) 
#endif

}



void __init generic_identify(struct cpuinfo_x86 * c)

void __devinit generic_identify(struct cpuinfo_x86 * c)

{

	u32 tfms, xlvl;

	int junk;
@@ -296,7 +296,7 @@ void __init generic_identify(struct cpuinfo_x86 * c) 
	}

}



static void __init squash_the_stupid_serial_number(struct cpuinfo_x86 *c)

static void __devinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c)

{

	if (cpu_has(c, X86_FEATURE_PN) && disable_x86_serial_nr ) {

		/* Disable processor serial number */
@@ -324,7 +324,7 @@ __setup("serialnumber", x86_serial_nr_setup); 
/*

 * This does the hard work of actually picking apart the CPU stuff...

 */

void __init identify_cpu(struct cpuinfo_x86 *c)

void __devinit identify_cpu(struct cpuinfo_x86 *c)

{

	int i;
@@ -438,7 +438,7 @@ void __init identify_cpu(struct cpuinfo_x86 *c) 
}



#ifdef CONFIG_X86_HT

void __init detect_ht(struct cpuinfo_x86 *c)

void __devinit detect_ht(struct cpuinfo_x86 *c)

{

	u32 	eax, ebx, ecx, edx;

	int 	index_msb, tmp;
@@ -493,7 +493,7 @@ void __init detect_ht(struct cpuinfo_x86 *c) 
}

#endif



void __init print_cpu_info(struct cpuinfo_x86 *c)

void __devinit print_cpu_info(struct cpuinfo_x86 *c)

{

	char *vendor = NULL;
@@ -516,7 +516,7 @@ void __init print_cpu_info(struct cpuinfo_x86 *c) 
		printk("\n");

}



cpumask_t cpu_initialized __initdata = CPU_MASK_NONE;

cpumask_t cpu_initialized __devinitdata = CPU_MASK_NONE;



/* This is hacky. :)

 * We're emulating future behavior.
@@ -563,7 +563,7 @@ void __init early_cpu_init(void) 
 * and IDT. We reload them nevertheless, this function acts as a

 * 'CPU state barrier', nothing should get across.

 */

void __init cpu_init (void)

void __devinit cpu_init(void)

{

	int cpu = smp_processor_id();

	struct tss_struct * t = &per_cpu(init_tss, cpu);

arch/i386/kernel/cpu/intel.c

+6 −6
Original line number Diff line number Diff line
@@ -28,7 +28,7 @@ extern int trap_init_f00f_bug(void); 
struct movsl_mask movsl_mask;

#endif



void __init early_intel_workaround(struct cpuinfo_x86 *c)

void __devinit early_intel_workaround(struct cpuinfo_x86 *c)

{

	if (c->x86_vendor != X86_VENDOR_INTEL)

		return;
@@ -43,7 +43,7 @@ void __init early_intel_workaround(struct cpuinfo_x86 *c) 
 *	This is called before we do cpu ident work

 */

 

int __init ppro_with_ram_bug(void)

int __devinit ppro_with_ram_bug(void)

{

	/* Uses data from early_cpu_detect now */

	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
@@ -61,7 +61,7 @@ int __init ppro_with_ram_bug(void) 
 * P4 Xeon errata 037 workaround.

 * Hardware prefetcher may cause stale data to be loaded into the cache.

 */

static void __init Intel_errata_workarounds(struct cpuinfo_x86 *c)

static void __devinit Intel_errata_workarounds(struct cpuinfo_x86 *c)

{

	unsigned long lo, hi;
@@ -80,7 +80,7 @@ static void __init Intel_errata_workarounds(struct cpuinfo_x86 *c) 
/*

 * find out the number of processor cores on the die

 */

static int __init num_cpu_cores(struct cpuinfo_x86 *c)

static int __devinit num_cpu_cores(struct cpuinfo_x86 *c)

{

	unsigned int eax;
@@ -98,7 +98,7 @@ static int __init num_cpu_cores(struct cpuinfo_x86 *c) 
		return 1;

}



static void __init init_intel(struct cpuinfo_x86 *c)

static void __devinit init_intel(struct cpuinfo_x86 *c)

{

	unsigned int l2 = 0;

	char *p = NULL;
@@ -204,7 +204,7 @@ static unsigned int intel_size_cache(struct cpuinfo_x86 * c, unsigned int size) 
	return size;

}



static struct cpu_dev intel_cpu_dev __initdata = {

static struct cpu_dev intel_cpu_dev __devinitdata = {

	.c_vendor	= "Intel",

	.c_ident 	= { "GenuineIntel" },

	.c_models = {

arch/i386/kernel/cpu/intel_cacheinfo.c

+2 −2
Original line number Diff line number Diff line
@@ -28,7 +28,7 @@ struct _cache_table 
};



/* all the cache descriptor types we care about (no TLB or trace cache entries) */

static struct _cache_table cache_table[] __initdata =

static struct _cache_table cache_table[] __devinitdata =

{

	{ 0x06, LVL_1_INST, 8 },	/* 4-way set assoc, 32 byte line size */

	{ 0x08, LVL_1_INST, 16 },	/* 4-way set assoc, 32 byte line size */
@@ -160,7 +160,7 @@ static int __init find_num_cache_leaves(void) 
	return retval;

}



unsigned int __init init_intel_cacheinfo(struct cpuinfo_x86 *c)

unsigned int __devinit init_intel_cacheinfo(struct cpuinfo_x86 *c)

{

	unsigned int trace = 0, l1i = 0, l1d = 0, l2 = 0, l3 = 0; /* Cache sizes */

	unsigned int new_l1d = 0, new_l1i = 0; /* Cache sizes from cpuid(4) */

arch/i386/kernel/cpu/mcheck/mce.c

+1 −1
Original line number Diff line number Diff line
@@ -31,7 +31,7 @@ static fastcall void unexpected_machine_check(struct pt_regs * regs, long error_ 
void fastcall (*machine_check_vector)(struct pt_regs *, long error_code) = unexpected_machine_check;



/* This has to be run for each processor */

void __init mcheck_init(struct cpuinfo_x86 *c)

void __devinit mcheck_init(struct cpuinfo_x86 *c)

{

	if (mce_disabled==1)

		return;