[PATCH 03/14] arch/tile: properly export __mb_incoherent for modules

From: Chris Metcalf
Date: Thu Oct 14 2010 - 17:18:40 EST


Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
---
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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