[PATCH] sched: cleanup context switch locking

[mirror_ubuntu-eoan-kernel.git] / include / asm-ia64 / system.h

diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h
index 6f516e76d1f0cf0947d99fa6d429f01657343791..cd2cf76b2db1d77cb22a69f928f96c4a74d1c59c 100644 (file)
--- a/include/asm-ia64/system.h
+++ b/include/asm-ia64/system.h
@@ -183,8 +183,6 @@ do {                                                                \
 
 #ifdef __KERNEL__
 
-#define prepare_to_switch()    do { } while(0)
-
 #ifdef CONFIG_IA32_SUPPORT
 # define IS_IA32_PROCESS(regs) (ia64_psr(regs)->is != 0)
 #else
@@ -274,13 +272,7 @@ extern void ia64_load_extra (struct task_struct *task);
  * of that CPU which will not be released, because there we wait for the
  * tasklist_lock to become available.
  */
-#define prepare_arch_switch(rq, next)          \
-do {                                           \
-       spin_lock(&(next)->switch_lock);        \
-       spin_unlock(&(rq)->lock);               \
-} while (0)
-#define finish_arch_switch(rq, prev)   spin_unlock_irq(&(prev)->switch_lock)
-#define task_running(rq, p)            ((rq)->curr == (p) || spin_is_locked(&(p)->switch_lock))
+#define __ARCH_WANT_UNLOCKED_CTXSW
 
 #define ia64_platform_is(x) (strcmp(x, platform_name) == 0)