linux-kernel - [PATCH 4/7] bitops: Silence nested-externs warnings

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Date:	Fri, 19 Sep 2014 08:29:37 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	sparse@...isli.org
Cc:	Mark Rustad <mark.d.rustad@...el.com>,
	linux-sparse@...r.kernel.org, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...nel.org>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Theodore Ts'o" <tytso@....edu>,
	Brian Norris <computersforpeace@...il.com>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [PATCH 4/7] bitops: Silence nested-externs warnings

From: Mark Rustad <mark.d.rustad@...el.com>

Use the diagnostic control macros to ignore nested-externs warnings
in these caes.

CC: Ingo Molnar <mingo@...nel.org>
CC: Jacob Pan <jacob.jun.pan@...ux.intel.com>
CC: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
CC: Peter Zijlstra <peterz@...radead.org>
CC: "Theodore Ts'o" <tytso@....edu>
CC: Brian Norris <computersforpeace@...il.com>
Signed-off-by: Mark Rustad <mark.d.rustad@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 include/linux/bitops.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index cbc5833..0e072bd 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -36,6 +36,7 @@ extern unsigned long __sw_hweight64(__u64 w);
  * Provide __deprecated wrappers for the new interface, avoid flag day changes.
  * We need the ugly external functions to break header recursion hell.
  */
+DIAG_PUSH DIAG_IGNORE(nested-externs)
 #ifndef smp_mb__before_clear_bit
 static inline void __deprecated smp_mb__before_clear_bit(void)
 {
@@ -51,6 +52,7 @@ static inline void __deprecated smp_mb__after_clear_bit(void)
 	__smp_mb__after_atomic();
 }
 #endif
+DIAG_POP
 
 #define for_each_set_bit(bit, addr, size) \
 	for ((bit) = find_first_bit((addr), (size));		\
-- 
1.9.3

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