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Merge branch 'generic-ipi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'generic-ipi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (22 commits)
  generic-ipi: more merge fallout
  generic-ipi: merge fix
  x86, visws: use mach-default/entry_arch.h
  x86, visws: fix generic-ipi build
  generic-ipi: fixlet
  generic-ipi: fix s390 build bug
  generic-ipi: fix linux-next tree build failure
  fix: "smp_call_function: get rid of the unused nonatomic/retry argument"
  fix: "smp_call_function: get rid of the unused nonatomic/retry argument"
  fix "smp_call_function: get rid of the unused nonatomic/retry argument"
  on_each_cpu(): kill unused 'retry' parameter
  smp_call_function: get rid of the unused nonatomic/retry argument
  sh: convert to generic helpers for IPI function calls
  parisc: convert to generic helpers for IPI function calls
  mips: convert to generic helpers for IPI function calls
  m32r: convert to generic helpers for IPI function calls
  arm: convert to generic helpers for IPI function calls
  alpha: convert to generic helpers for IPI function calls
  ia64: convert to generic helpers for IPI function calls
  powerpc: convert to generic helpers for IPI function calls
  ...

Fix trivial conflicts due to rcu updates in kernel/rcupdate.c manually
This commit is contained in:
Linus Torvalds
2008-07-15 14:02:33 -07:00
parent 64fd52a520 f6f88e9bfb
commit 59190f4213
129 changed files with 891 additions and 1796 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/asm-alpha/smp.h
+3 -2
View File
@@ -47,12 +47,13 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS];
extern int smp_num_cpus;
#define cpu_possible_map cpu_present_map
int smp_call_function_on_cpu(void (*func) (void *info), void *info,int retry, int wait, cpumask_t cpu);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#else /* CONFIG_SMP */
#define hard_smp_processor_id() 0
#define smp_call_function_on_cpu(func,info,retry,wait,cpu) ({ 0; })
#define smp_call_function_on_cpu(func,info,wait,cpu) ({ 0; })
#endif /* CONFIG_SMP */
include/asm-arm/smp.h
+3
View File
@@ -101,6 +101,9 @@ extern void platform_cpu_die(unsigned int cpu);
extern int platform_cpu_kill(unsigned int cpu);
extern void platform_cpu_enable(unsigned int cpu);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
/*
* Local timer interrupt handling function (can be IPI'ed).
*/
include/asm-ia64/smp.h
+3 -5
View File
@@ -38,9 +38,6 @@ ia64_get_lid (void)
return lid.f.id << 8 | lid.f.eid;
}
extern int smp_call_function_mask(cpumask_t mask, void (*func)(void *),
void *info, int wait);
#define hard_smp_processor_id() ia64_get_lid()
#ifdef CONFIG_SMP
@@ -124,11 +121,12 @@ extern void __init init_smp_config (void);
extern void smp_do_timer (struct pt_regs *regs);
extern void smp_send_reschedule (int cpu);
extern void lock_ipi_calllock(void);
extern void unlock_ipi_calllock(void);
extern void identify_siblings (struct cpuinfo_ia64 *);
extern int is_multithreading_enabled(void);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#else /* CONFIG_SMP */
#define cpu_logical_id(i) 0
include/asm-m32r/smp.h
+4
View File
@@ -89,6 +89,9 @@ static __inline__ unsigned int num_booting_cpus(void)
extern void smp_send_timer(void);
extern unsigned long send_IPI_mask_phys(cpumask_t, int, int);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#endif /* not __ASSEMBLY__ */
#define NO_PROC_ID (0xff) /* No processor magic marker */
@@ -104,6 +107,7 @@ extern unsigned long send_IPI_mask_phys(cpumask_t, int, int);
#define LOCAL_TIMER_IPI (M32R_IRQ_IPI3-M32R_IRQ_IPI0)
#define INVALIDATE_CACHE_IPI (M32R_IRQ_IPI4-M32R_IRQ_IPI0)
#define CPU_BOOT_IPI (M32R_IRQ_IPI5-M32R_IRQ_IPI0)
#define CALL_FUNC_SINGLE_IPI (M32R_IRQ_IPI6-M32R_IRQ_IPI0)
#define IPI_SHIFT (0)
#define NR_IPIS (8)
include/asm-mips/smp.h
+3 -10
View File
@@ -35,16 +35,6 @@ extern int __cpu_logical_map[NR_CPUS];
#define NO_PROC_ID (-1)
struct call_data_struct {
void (*func)(void *);
void *info;
atomic_t started;
atomic_t finished;
int wait;
};
extern struct call_data_struct *call_data;
#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */
#define SMP_CALL_FUNCTION 0x2
@@ -67,4 +57,7 @@ static inline void smp_send_reschedule(int cpu)
extern asmlinkage void smp_call_function_interrupt(void);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#endif /* __ASM_SMP_H */
include/asm-parisc/smp.h
+3
View File
@@ -30,6 +30,9 @@ extern cpumask_t cpu_online_map;
extern void smp_send_reschedule(int cpu);
extern void smp_send_all_nop(void);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#endif /* !ASSEMBLY */
/*
include/asm-powerpc/smp.h
+4 -4
View File
@@ -67,10 +67,7 @@ DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
* in /proc/interrupts will be wrong!!! --Troy */
#define PPC_MSG_CALL_FUNCTION 0
#define PPC_MSG_RESCHEDULE 1
/* This is unused now */
#if 0
#define PPC_MSG_MIGRATE_TASK 2
#endif
#define PPC_MSG_CALL_FUNC_SINGLE 2
#define PPC_MSG_DEBUGGER_BREAK 3
void smp_init_iSeries(void);
@@ -117,6 +114,9 @@ extern void smp_generic_take_timebase(void);
extern struct smp_ops_t *smp_ops;
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
include/asm-sh/smp.h
+4 -10
View File
@@ -26,18 +26,10 @@ extern int __cpu_logical_map[NR_CPUS];
#define NO_PROC_ID (-1)
struct smp_fn_call_struct {
spinlock_t lock;
atomic_t finished;
void (*fn)(void *);
void *data;
};
extern struct smp_fn_call_struct smp_fn_call;
#define SMP_MSG_FUNCTION 0
#define SMP_MSG_RESCHEDULE 1
#define SMP_MSG_NR 2
#define SMP_MSG_FUNCTION_SINGLE 2
#define SMP_MSG_NR 3
void plat_smp_setup(void);
void plat_prepare_cpus(unsigned int max_cpus);
@@ -46,6 +38,8 @@ void plat_start_cpu(unsigned int cpu, unsigned long entry_point);
void plat_send_ipi(unsigned int cpu, unsigned int message);
int plat_register_ipi_handler(unsigned int message,
void (*handler)(void *), void *arg);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi(cpumask_t mask);
#else
include/asm-sparc/smp.h
+1 -1
View File
@@ -72,7 +72,7 @@ static inline void xc5(smpfunc_t func, unsigned long arg1, unsigned long arg2,
unsigned long arg3, unsigned long arg4, unsigned long arg5)
{ smp_cross_call(func, arg1, arg2, arg3, arg4, arg5); }
static inline int smp_call_function(void (*func)(void *info), void *info, int nonatomic, int wait)
static inline int smp_call_function(void (*func)(void *info), void *info, int wait)
{
xc1((smpfunc_t)func, (unsigned long)info);
return 0;
include/asm-x86/hw_irq.h
+1
View File
@@ -48,6 +48,7 @@ extern void irq_move_cleanup_interrupt(void);
extern void threshold_interrupt(void);
extern void call_function_interrupt(void);
extern void call_function_single_interrupt(void);
/* PIC specific functions */
extern void disable_8259A_irq(unsigned int irq);
include/asm-x86/irq_vectors.h
+5 -1
View File
@@ -64,6 +64,7 @@
# define INVALIDATE_TLB_VECTOR 0xfd
# define RESCHEDULE_VECTOR 0xfc
# define CALL_FUNCTION_VECTOR 0xfb
# define CALL_FUNCTION_SINGLE_VECTOR 0xfa
# define THERMAL_APIC_VECTOR 0xf0
#else
@@ -72,6 +73,7 @@
#define ERROR_APIC_VECTOR 0xfe
#define RESCHEDULE_VECTOR 0xfd
#define CALL_FUNCTION_VECTOR 0xfc
#define CALL_FUNCTION_SINGLE_VECTOR 0xfb
#define THERMAL_APIC_VECTOR 0xfa
#define THRESHOLD_APIC_VECTOR 0xf9
#define INVALIDATE_TLB_VECTOR_END 0xf7
@@ -143,6 +145,7 @@
#define VIC_RESCHEDULE_CPI 4
#define VIC_ENABLE_IRQ_CPI 5
#define VIC_CALL_FUNCTION_CPI 6
#define VIC_CALL_FUNCTION_SINGLE_CPI 7
/* Now the QIC CPIs: Since we don't need the two initial levels,
* these are 2 less than the VIC CPIs */
@@ -152,9 +155,10 @@
#define QIC_RESCHEDULE_CPI (VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET)
#define QIC_ENABLE_IRQ_CPI (VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET)
#define QIC_CALL_FUNCTION_CPI (VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET)
#define QIC_CALL_FUNCTION_SINGLE_CPI (VIC_CALL_FUNCTION_SINGLE_CPI - QIC_CPI_OFFSET)
#define VIC_START_FAKE_CPI VIC_TIMER_CPI
#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_CPI
#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_SINGLE_CPI
/* this is the SYS_INT CPI. */
#define VIC_SYS_INT 8
include/asm-x86/mach-default/entry_arch.h
+1
View File
@@ -13,6 +13,7 @@
BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
#endif
/*
include/asm-x86/mach-visws/entry_arch.h
+2 -20
View File
@@ -1,23 +1,5 @@
/*
* The following vectors are part of the Linux architecture, there
* is no hardware IRQ pin equivalent for them, they are triggered
* through the ICC by us (IPIs)
* VISWS uses the standard Linux entry points:
*/
#ifdef CONFIG_X86_SMP
BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
#endif
/*
* every pentium local APIC has two 'local interrupts', with a
* soft-definable vector attached to both interrupts, one of
* which is a timer interrupt, the other one is error counter
* overflow. Linux uses the local APIC timer interrupt to get
* a much simpler SMP time architecture:
*/
#ifdef CONFIG_X86_LOCAL_APIC
BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR)
BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR)
BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR)
#endif
#include "../mach-default/entry_arch.h"
include/asm-x86/mach-voyager/entry_arch.h
+1 -1
View File
@@ -23,4 +23,4 @@ BUILD_INTERRUPT(qic_invalidate_interrupt, QIC_INVALIDATE_CPI);
BUILD_INTERRUPT(qic_reschedule_interrupt, QIC_RESCHEDULE_CPI);
BUILD_INTERRUPT(qic_enable_irq_interrupt, QIC_ENABLE_IRQ_CPI);
BUILD_INTERRUPT(qic_call_function_interrupt, QIC_CALL_FUNCTION_CPI);
BUILD_INTERRUPT(qic_call_function_single_interrupt, QIC_CALL_FUNCTION_SINGLE_CPI);
include/asm-x86/smp.h
+12 -9
View File
@@ -50,9 +50,9 @@ struct smp_ops {
void (*smp_send_stop)(void);
void (*smp_send_reschedule)(int cpu);
int (*smp_call_function_mask)(cpumask_t mask,
void (*func)(void *info), void *info,
int wait);
void (*send_call_func_ipi)(cpumask_t mask);
void (*send_call_func_single_ipi)(int cpu);
};
/* Globals due to paravirt */
@@ -94,17 +94,22 @@ static inline void smp_send_reschedule(int cpu)
smp_ops.smp_send_reschedule(cpu);
}
static inline int smp_call_function_mask(cpumask_t mask,
void (*func) (void *info), void *info,
int wait)
static inline void arch_send_call_function_single_ipi(int cpu)
{
return smp_ops.smp_call_function_mask(mask, func, info, wait);
smp_ops.send_call_func_single_ipi(cpu);
}
static inline void arch_send_call_function_ipi(cpumask_t mask)
{
smp_ops.send_call_func_ipi(mask);
}
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void native_smp_cpus_done(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
void native_send_call_func_ipi(cpumask_t mask);
void native_send_call_func_single_ipi(int cpu);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
@@ -197,7 +202,5 @@ static inline int hard_smp_processor_id(void)
extern void cpu_uninit(void);
#endif
extern void lock_ipi_call_lock(void);
extern void unlock_ipi_call_lock(void);
#endif /* __ASSEMBLY__ */
#endif
include/asm-x86/xen/events.h
+1
View File
@@ -4,6 +4,7 @@
enum ipi_vector {
XEN_RESCHEDULE_VECTOR,
XEN_CALL_FUNCTION_VECTOR,
XEN_CALL_FUNCTION_SINGLE_VECTOR,
XEN_NR_IPIS,
};
include/linux/smp.h
+38 -8
View File
@@ -7,9 +7,18 @@
*/
#include <linux/errno.h>
#include <linux/list.h>
#include <linux/cpumask.h>
extern void cpu_idle(void);
struct call_single_data {
struct list_head list;
void (*func) (void *info);
void *info;
unsigned int flags;
};
#ifdef CONFIG_SMP
#include <linux/preempt.h>
@@ -52,15 +61,34 @@ extern void smp_cpus_done(unsigned int max_cpus);
/*
* Call a function on all other processors
*/
int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
int smp_call_function(void(*func)(void *info), void *info, int wait);
int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
int wait);
int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
int retry, int wait);
int wait);
void __smp_call_function_single(int cpuid, struct call_single_data *data);
/*
* Generic and arch helpers
*/
#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
void generic_smp_call_function_single_interrupt(void);
void generic_smp_call_function_interrupt(void);
void init_call_single_data(void);
void ipi_call_lock(void);
void ipi_call_unlock(void);
void ipi_call_lock_irq(void);
void ipi_call_unlock_irq(void);
#else
static inline void init_call_single_data(void)
{
}
#endif
/*
* Call a function on all processors
*/
int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
int on_each_cpu(void (*func) (void *info), void *info, int wait);
#define MSG_ALL_BUT_SELF 0x8000 /* Assume <32768 CPU's */
#define MSG_ALL 0x8001
@@ -90,9 +118,9 @@ static inline int up_smp_call_function(void (*func)(void *), void *info)
{
return 0;
}
#define smp_call_function(func, info, retry, wait) \
#define smp_call_function(func, info, wait) \
(up_smp_call_function(func, info))
#define on_each_cpu(func,info,retry,wait) \
#define on_each_cpu(func,info,wait) \
({ \
local_irq_disable(); \
func(info); \
@@ -102,7 +130,7 @@ static inline int up_smp_call_function(void (*func)(void *), void *info)
static inline void smp_send_reschedule(int cpu) { }
#define num_booting_cpus() 1
#define smp_prepare_boot_cpu() do {} while (0)
#define smp_call_function_single(cpuid, func, info, retry, wait) \
#define smp_call_function_single(cpuid, func, info, wait) \
({ \
WARN_ON(cpuid != 0); \
local_irq_disable(); \
@@ -112,7 +140,9 @@ static inline void smp_send_reschedule(int cpu) { }
})
#define smp_call_function_mask(mask, func, info, wait) \
(up_smp_call_function(func, info))
static inline void init_call_single_data(void)
{
}
#endif /* !SMP */
/*