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authorRalf Baechle <ralf@linux-mips.org>2007-07-19 21:28:35 +0200
committerIngo Molnar <mingo@elte.hu>2007-07-19 21:28:35 +0200
commitc41917df8a1adde34864116ce2231a7fe308d2ff (patch)
treef0dd28ffef93117bacfbf8657ede880071de8e5d
parentce8c2293be47999584908069e78bf6d94beadc53 (diff)
downloadlinux-linaro-c41917df8a1adde34864116ce2231a7fe308d2ff.tar.gz
[PATCH] sched: sched_cacheflush is now unused
Since Ingo's recent scheduler rewrite which was merged as commit 0437e109e1841607f2988891eaa36c531c6aa6ac sched_cacheflush is unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/ia64/kernel/setup.c9
-rw-r--r--include/asm-alpha/system.h10
-rw-r--r--include/asm-arm/system.h10
-rw-r--r--include/asm-arm26/system.h10
-rw-r--r--include/asm-i386/system.h9
-rw-r--r--include/asm-ia64/system.h1
-rw-r--r--include/asm-m32r/system.h10
-rw-r--r--include/asm-mips/system.h10
-rw-r--r--include/asm-parisc/system.h11
-rw-r--r--include/asm-powerpc/system.h10
-rw-r--r--include/asm-ppc/system.h10
-rw-r--r--include/asm-s390/system.h10
-rw-r--r--include/asm-sh/system.h10
-rw-r--r--include/asm-sparc/system.h10
-rw-r--r--include/asm-sparc64/system.h10
-rw-r--r--include/asm-x86_64/system.h9
16 files changed, 0 insertions, 149 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 4d9864cc92c..cf06fe79904 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -980,15 +980,6 @@ cpu_init (void)
pm_idle = default_idle;
}
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- */
-void sched_cacheflush(void)
-{
- ia64_sal_cache_flush(3);
-}
-
void __init
check_bugs (void)
{
diff --git a/include/asm-alpha/system.h b/include/asm-alpha/system.h
index cf1021a97b2..620c4d86cbf 100644
--- a/include/asm-alpha/system.h
+++ b/include/asm-alpha/system.h
@@ -139,16 +139,6 @@ extern void halt(void) __attribute__((noreturn));
struct task_struct;
extern struct task_struct *alpha_switch_to(unsigned long, struct task_struct*);
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
#define imb() \
__asm__ __volatile__ ("call_pal %0 #imb" : : "i" (PAL_imb) : "memory")
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index 6f8e6a69dc5..94ea8c6dc1a 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -254,16 +254,6 @@ do { \
last = __switch_to(prev,task_thread_info(prev), task_thread_info(next)); \
} while (0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
#if defined(CONFIG_CPU_SA1100) || defined(CONFIG_CPU_SA110)
/*
* On the StrongARM, "swp" is terminally broken since it bypasses the
diff --git a/include/asm-arm26/system.h b/include/asm-arm26/system.h
index 4703593b3bb..e09da5ff1f5 100644
--- a/include/asm-arm26/system.h
+++ b/include/asm-arm26/system.h
@@ -110,16 +110,6 @@ do { \
} while (0)
/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
-/*
* Save the current interrupt enable state & disable IRQs
*/
#define local_irq_save(x) \
diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h
index 94ed3686a5f..609756c6167 100644
--- a/include/asm-i386/system.h
+++ b/include/asm-i386/system.h
@@ -310,15 +310,6 @@ void enable_hlt(void);
extern int es7000_plat;
void cpu_idle_wait(void);
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible:
- */
-static inline void sched_cacheflush(void)
-{
- wbinvd();
-}
-
extern unsigned long arch_align_stack(unsigned long sp);
extern void free_init_pages(char *what, unsigned long begin, unsigned long end);
diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 384fbf7f2a0..91bb8e00066 100644
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -259,7 +259,6 @@ extern void ia64_load_extra (struct task_struct *task);
#define ia64_platform_is(x) (strcmp(x, platform_name) == 0)
void cpu_idle_wait(void);
-void sched_cacheflush(void);
#define arch_align_stack(x) (x)
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 8ee73d3f316..2365de5c295 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -54,16 +54,6 @@
); \
} while(0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
/* Interrupt Control */
#if !defined(CONFIG_CHIP_M32102) && !defined(CONFIG_CHIP_M32104)
#define local_irq_enable() \
diff --git a/include/asm-mips/system.h b/include/asm-mips/system.h
index 46bdb3f566f..76339165bc2 100644
--- a/include/asm-mips/system.h
+++ b/include/asm-mips/system.h
@@ -71,16 +71,6 @@ do { \
write_c0_userlocal(task_thread_info(current)->tp_value);\
} while(0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
static inline unsigned long __xchg_u32(volatile int * m, unsigned int val)
{
__u32 retval;
diff --git a/include/asm-parisc/system.h b/include/asm-parisc/system.h
index 21fbfc5afd0..ee80c920b46 100644
--- a/include/asm-parisc/system.h
+++ b/include/asm-parisc/system.h
@@ -48,17 +48,6 @@ extern struct task_struct *_switch_to(struct task_struct *, struct task_struct *
(last) = _switch_to(prev, next); \
} while(0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
-
/* interrupt control */
#define local_save_flags(x) __asm__ __volatile__("ssm 0, %0" : "=r" (x) : : "memory")
#define local_irq_disable() __asm__ __volatile__("rsm %0,%%r0\n" : : "i" (PSW_I) : "memory" )
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 32aa42b748b..41520b7a7b7 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -184,16 +184,6 @@ struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
extern unsigned int rtas_data;
extern int mem_init_done; /* set on boot once kmalloc can be called */
extern unsigned long memory_limit;
diff --git a/include/asm-ppc/system.h b/include/asm-ppc/system.h
index d84a3cf4d03..f1311a8f310 100644
--- a/include/asm-ppc/system.h
+++ b/include/asm-ppc/system.h
@@ -129,16 +129,6 @@ extern struct task_struct *__switch_to(struct task_struct *,
struct task_struct *);
#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next)))
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index bbe137c3ed6..64a3cd05cae 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -97,16 +97,6 @@ static inline void restore_access_regs(unsigned int *acrs)
prev = __switch_to(prev,next); \
} while (0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
#ifdef CONFIG_VIRT_CPU_ACCOUNTING
extern void account_vtime(struct task_struct *);
extern void account_tick_vtime(struct task_struct *);
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index 7c75045ae22..24504253720 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -64,16 +64,6 @@ struct task_struct *__switch_to(struct task_struct *prev,
last = __last; \
} while (0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
#ifdef CONFIG_CPU_SH4A
#define __icbi() \
{ \
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h
index 8b4e23b3bb3..d1a2572e3f5 100644
--- a/include/asm-sparc/system.h
+++ b/include/asm-sparc/system.h
@@ -165,16 +165,6 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr,
} while(0)
/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
-/*
* Changing the IRQ level on the Sparc.
*/
extern void local_irq_restore(unsigned long);
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 8ba380ec6da..409067408ee 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -204,16 +204,6 @@ do { if (test_thread_flag(TIF_PERFCTR)) { \
} \
} while(0)
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)
{
unsigned long tmp1, tmp2;
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index ead9f9a5623..e4f246d62c4 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -111,15 +111,6 @@ static inline void write_cr4(unsigned long val)
#define wbinvd() \
__asm__ __volatile__ ("wbinvd": : :"memory");
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- */
-static inline void sched_cacheflush(void)
-{
- wbinvd();
-}
-
#endif /* __KERNEL__ */
#define nop() __asm__ __volatile__ ("nop")