linux-kernel - [PATCH v4 1/7] arch/sparc: Remove the check #ifndef __LINUX_SPINLOCK_TYPES

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Message-Id: <1495670115-63960-2-git-send-email-babu.moger@oracle.com>
Date:   Wed, 24 May 2017 17:55:09 -0600
From:   Babu Moger <babu.moger@...cle.com>
To:     peterz@...radead.org, mingo@...hat.com, arnd@...db.de,
        davem@...emloft.net
Cc:     linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        sparclinux@...r.kernel.org, geert@...ux-m68k.org,
        babu.moger@...cle.com, shannon.nelson@...cle.com,
        haakon.bugge@...cle.com, steven.sistare@...cle.com,
        vijay.ac.kumar@...cle.com, jane.chu@...cle.com
Subject: [PATCH v4 1/7] arch/sparc: Remove the check #ifndef __LINUX_SPINLOCK_TYPES_H

Saw these compile errors on SPARC when queued rwlock feature is enabled.

   CC      kernel/locking/qrwlock.o
In file included from ./include/asm-generic/qrwlock_types.h:5,
                  from ./arch/sparc/include/asm/qrwlock.h:4,
                  from kernel/locking/qrwlock.c:24:
./arch/sparc/include/asm/spinlock_types.h:5:3: error:
         #error "please don't include this file directly"

SPARC has this guard which causes compile error when spinlock_types.h
is included directly.
@ifndef __LINUX_SPINLOCK_TYPES_H
@ error "please don't include this file directly"
@endif

Remove this un-necessary "ifndef __LINUX_SPINLOCK_TYPES_H" stanza from SPARC.

Signed-off-by: Babu Moger <babu.moger@...cle.com>
Suggested-by: David Miller <davem@...emloft.net>
---
 arch/sparc/include/asm/spinlock_types.h |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h
index 9c454fd..019c085 100644
--- a/arch/sparc/include/asm/spinlock_types.h
+++ b/arch/sparc/include/asm/spinlock_types.h
@@ -1,10 +1,6 @@
 #ifndef __SPARC_SPINLOCK_TYPES_H
 #define __SPARC_SPINLOCK_TYPES_H
 
-#ifndef __LINUX_SPINLOCK_TYPES_H
-# error "please don't include this file directly"
-#endif
-
 typedef struct {
 	volatile unsigned char lock;
 } arch_spinlock_t;
-- 
1.7.1