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

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Message-Id: <20170217110607.31264-1-broonie@kernel.org>
Date:   Fri, 17 Feb 2017 11:06:07 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     Mike Galbraith <efault@....de>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org, 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) in current -next 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