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sched: make plist a library facility 

Ingo Molnar wrote:

> here's a new build failure with tip/sched/rt:
>
>   LD      .tmp_vmlinux1
> kernel/built-in.o: In function `set_curr_task_rt':
> sched.c:(.text+0x3675): undefined reference to `plist_del'
> kernel/built-in.o: In function `pick_next_task_rt':
> sched.c:(.text+0x37ce): undefined reference to `plist_del'
> kernel/built-in.o: In function `enqueue_pushable_task':
> sched.c:(.text+0x381c): undefined reference to `plist_del'

Eliminate the plist library kconfig and make it available
unconditionally.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-01-16 14:46:40 +01:00 committed by Ingo Molnar
parent 398a153b16
commit ceacc2c1c8
4 changed files with 17 additions and 15 deletions
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1
init/Kconfig
View File

@ -874,7 +874,6 @@ config SLABINFO
config RT_MUTEXES
boolean
select PLIST
config BASE_SMALL
int

21
kernel/sched_rt.c
View File

@ -114,14 +114,23 @@ static void dequeue_pushable_task(struct rq *rq, struct task_struct *p)
#else
static inline void enqueue_pushable_task(struct rq *rq, struct task_struct *p)
{
}
static inline void dequeue_pushable_task(struct rq *rq, struct task_struct *p)
{
}
static inline
void enqueue_pushable_task(struct rq *rq, struct task_struct *p) {}
void inc_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
{
}
static inline
void dequeue_pushable_task(struct rq *rq, struct task_struct *p) {}
static inline
void inc_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq) {}
static inline
void dec_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq) {}
void dec_rt_migration(struct sched_rt_entity *rt_se, struct rt_rq *rt_rq)
{
}
#endif /* CONFIG_SMP */

6
lib/Kconfig
View File

@ -136,12 +136,6 @@ config TEXTSEARCH_BM
config TEXTSEARCH_FSM
tristate
#
# plist support is select#ed if needed
#
config PLIST
boolean
config HAS_IOMEM
boolean
depends on !NO_IOMEM

4
lib/Makefile
View File

@ -11,7 +11,8 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \
rbtree.o radix-tree.o dump_stack.o \
idr.o int_sqrt.o extable.o prio_tree.o \
sha1.o irq_regs.o reciprocal_div.o argv_split.o \
proportions.o prio_heap.o ratelimit.o show_mem.o is_single_threaded.o
proportions.o prio_heap.o ratelimit.o show_mem.o \
is_single_threaded.o plist.o
lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
@ -40,7 +41,6 @@ lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
lib-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
obj-$(CONFIG_LOCK_KERNEL) += kernel_lock.o
obj-$(CONFIG_PLIST) += plist.o
obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
obj-$(CONFIG_DEBUG_LIST) += list_debug.o
obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o