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authorPeter Zijlstra <peterz@infradead.org>2013-09-12 15:10:31 +0200
committerIngo Molnar <mingo@kernel.org>2013-09-25 13:53:09 +0200
commit3150398626466c6cc626732f60bc901d58f40677 (patch)
treeca507db3b4bf6f2bc32c42a0dc213349e7a700b5
parentb021fe3e25094fbec22d0eff846d2adeee1b9736 (diff)
downloadop-kernel-dev-3150398626466c6cc626732f60bc901d58f40677.zip
op-kernel-dev-3150398626466c6cc626732f60bc901d58f40677.tar.gz
sched: Remove {set,clear}_need_resched
Preemption semantics are going to change which mandate a change. All DRM usage sites are already broken and will not be affected (much) by this change. DRM people are aware and will remove the last few stragglers. For now, leave an empty stub that generates a warning, once all users are gone we can remove this. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: airlied@linux.ie Cc: daniel.vetter@ffwll.ch Cc: paulmck@linux.vnet.ibm.com Link: http://lkml.kernel.org/n/tip-qfc1el2zvhxiyut4ai99ij4n@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--include/linux/thread_info.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h
index e7e0473..a629e4b 100644
--- a/include/linux/thread_info.h
+++ b/include/linux/thread_info.h
@@ -104,8 +104,19 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag)
#define test_thread_flag(flag) \
test_ti_thread_flag(current_thread_info(), flag)
-#define set_need_resched() set_thread_flag(TIF_NEED_RESCHED)
-#define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED)
+static inline __deprecated void set_need_resched(void)
+{
+ /*
+ * Use of this function in deprecated.
+ *
+ * As of this writing there are only a few users in the DRM tree left
+ * all of which are wrong and can be removed without causing too much
+ * grief.
+ *
+ * The DRM people are aware and are working on removing the last few
+ * instances.
+ */
+}
#if defined TIF_RESTORE_SIGMASK && !defined HAVE_SET_RESTORE_SIGMASK
/*
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