[PATCH] linux/seqlock.h should #include asm/processor.h forcpu_relax()

[David Howells]

linux/seqlock.h should #include asm/processor.h as it uses cpu_relax().

Without this patch, I see:

 CC      arch/mn10300/kernel/asm-offsets.s
In file included from include/linux/time.h:8,
                 from include/linux/timex.h:56,
                 from include/linux/sched.h:57,
                 from arch/mn10300/kernel/asm-offsets.c:7:
include/linux/seqlock.h: In function 'read_seqbegin':
include/linux/seqlock.h:91: error: implicit declaration of function 'cpu_relax'

whilst building asb2364_defconfig on MN10300.

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

 include/linux/seqlock.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index e981189..c6db9fb 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -28,6 +28,7 @@
 
 #include <linux/spinlock.h>
 #include <linux/preempt.h>
+#include <asm/processor.h>
 
 typedef struct {
 	unsigned sequence;

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