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authorJosh Poimboeuf <jpoimboe@redhat.com>2016-02-28 22:22:39 -0600
committerIngo Molnar <mingo@kernel.org>2016-02-29 08:35:11 +0100
commit049369487e2068294b61cee19233be0ffac7d243 (patch)
tree8b06e0dcc5be0eb8f2a1afc961e45ab08b1025c4 /kernel/sched
parent8e05e96ac949c80704d0a38420bf60dcf18c938f (diff)
sched: Always inline context_switch()
When CONFIG_GCOV is enabled, gcc decides to put context_switch() out-of-line, which is inconsistent with its normal behavior. It also causes an objtool warning because __schedule() no longer inlines context_switch(), so the "STACK_FRAME_NON_STANDARD(__schedule)" statement loses its effect. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at> Cc: Borislav Petkov <bp@alien8.de> Cc: Chris J Arges <chris.j.arges@canonical.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Michal Marek <mmarek@suse.cz> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Pedro Alves <palves@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: live-patching@vger.kernel.org Link: http://lkml.kernel.org/r/d62aee926b6e303394e34a06999a964dc2773cf6.1456719558.git.jpoimboe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 641043dfc773..bb0daabe0ffe 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2763,7 +2763,7 @@ asmlinkage __visible void schedule_tail(struct task_struct *prev)
/*
* context_switch - switch to the new MM and the new thread's register state.
*/
-static inline struct rq *
+static __always_inline struct rq *
context_switch(struct rq *rq, struct task_struct *prev,
struct task_struct *next)
{