From ceacc2c1c85ac498ca4cf297bdfe5b4aaa9fd0e0 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 16 Jan 2009 14:46:40 +0100 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar --- init/Kconfig | 1 - kernel/sched_rt.c | 21 +++++++++++++++------ lib/Kconfig | 6 ------ lib/Makefile | 4 ++-- 4 files changed, 17 insertions(+), 15 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index a724a149bf3f..19b78aa010e3 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -874,7 +874,6 @@ config SLABINFO config RT_MUTEXES boolean - select PLIST config BASE_SMALL int diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index 4230b15fe90e..48d1f6e8497a 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -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 */ diff --git a/lib/Kconfig b/lib/Kconfig index 03c2c24b9083..fc8ea1ca59d8 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -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 diff --git a/lib/Makefile b/lib/Makefile index 32b0e64ded27..902d73851044 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -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