linux-kernel - [PATCH] sched/core: Fix build paravirt build on arm and arm64

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Date:   Tue, 21 Feb 2017 09:29:01 -0800
From:   Mark Brown <broonie@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Mike Galbraith <efault@....de>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH] sched/core: Fix build paravirt build on arm and arm64

Commit 004172bdad64432 (sched/core: Remove unnecessary #include
headers) removed the inclusion of asm/paravirt.h which is used to get
declarations of paravirt_steal_rq_enabled and paravirt_steal_clock.  It
is implicitly included on but not on arm and arm64 breaking the build if
paravirtualization is used.  Since things from that header are used
directly fix the build by putting the direct inclusion back.

Signed-off-by: Mark Brown <broonie@...nel.org>
---
 kernel/sched/core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c7ded3311ec4..6ea1925ac5c0 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -23,6 +23,9 @@

 #include <asm/switch_to.h>
 #include <asm/tlb.h>
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#endif

 #include "sched.h"
 #include "../workqueue_internal.h"
-- 
2.11.0