linux-kernel - [PATCH 03/14] arch/tile: properly export __mb

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Message-Id: <13c9d5a6309763a494f7c3ed5aa45fb473985fd7.1287090286.git.cmetcalf@tilera.com>
Date:	Thu, 14 Oct 2010 15:12:55 -0400
From:	Chris Metcalf <cmetcalf@...era.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 03/14] arch/tile: properly export __mb_incoherent for modules

Signed-off-by: Chris Metcalf <cmetcalf@...era.com>
---
 arch/tile/include/asm/system.h |    5 ++++-
 arch/tile/lib/exports.c        |    3 +++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/arch/tile/include/asm/system.h b/arch/tile/include/asm/system.h
index f749be3..96779c8 100644
--- a/arch/tile/include/asm/system.h
+++ b/arch/tile/include/asm/system.h
@@ -89,6 +89,10 @@
 #define get_cycles_low() __insn_mfspr(SPR_CYCLE)   /* just get all 64 bits */
 #endif
 
+#if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
+int __mb_incoherent(void);  /* Helper routine for mb_incoherent(). */
+#endif
+
 /* Fence to guarantee visibility of stores to incoherent memory. */
 static inline void
 mb_incoherent(void)
@@ -97,7 +101,6 @@ mb_incoherent(void)
 
 #if !CHIP_HAS_MF_WAITS_FOR_VICTIMS()
 	{
-		int __mb_incoherent(void);
 #if CHIP_HAS_TILE_WRITE_PENDING()
 		const unsigned long WRITE_TIMEOUT_CYCLES = 400;
 		unsigned long start = get_cycles_low();
diff --git a/arch/tile/lib/exports.c b/arch/tile/lib/exports.c
index ce5dbf5..1509c55 100644
--- a/arch/tile/lib/exports.c
+++ b/arch/tile/lib/exports.c
@@ -45,6 +45,9 @@ EXPORT_SYMBOL(__copy_from_user_zeroing);
 EXPORT_SYMBOL(__copy_in_user_inatomic);
 #endif
 
+/* arch/tile/lib/mb_incoherent.S */
+EXPORT_SYMBOL(__mb_incoherent);
+
 /* hypervisor glue */
 #include <hv/hypervisor.h>
 EXPORT_SYMBOL(hv_dev_open);
-- 
1.6.5.2

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