Gitweb: http://git.kernel.org/linus/06164f3194e01ea4c76941ac60f541d656c8975f
Commit: 06164f3194e01ea4c76941ac60f541d656c8975f
Parent: 54aee6a5f560d0e1bf3f39987c6ebe06daeb0ce1
Author: Dan Williams <dan.j.williams@intel.com>
AuthorDate: Wed Mar 25 09:13:25 2009 -0700
Committer: Dan Williams <dan.j.williams@intel.com>
CommitDate: Wed Mar 25 09:13:25 2009 -0700
async_tx: provide __async_inline for HAS_DMA=n archs
To allow an async_tx routine to be compiled away on HAS_DMA=n arch it
needs to be declared __always_inline otherwise the compiler may emit
code and cause a link error.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
crypto/async_tx/async_xor.c | 7 ++-----
include/linux/async_tx.h | 9 +++++++++
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 595b786..95fe2c8 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -30,11 +30,8 @@
#include <linux/raid/xor.h>
#include <linux/async_tx.h>
-/* do_async_xor - dma map the pages and perform the xor with an engine.
- * This routine is marked __always_inline so it can be compiled away
- * when CONFIG_DMA_ENGINE=n
- */
-static __always_inline struct dma_async_tx_descriptor *
+/* do_async_xor - dma map the pages and perform the xor with an engine */
+static __async_inline struct dma_async_tx_descriptor *
do_async_xor(struct dma_chan *chan, struct page *dest, struct page **src_list,
unsigned int offset, int src_cnt, size_t len,
enum async_tx_flags flags,
diff --git a/include/linux/async_tx.h b/include/linux/async_tx.h
index 45f6297..5fc2ef8 100644
--- a/include/linux/async_tx.h
+++ b/include/linux/async_tx.h
@@ -21,6 +21,15 @@
#include <linux/spinlock.h>
#include <linux/interrupt.h>
+/* on architectures without dma-mapping capabilities we need to ensure
+ * that the asynchronous path compiles away
+ */
+#ifdef CONFIG_HAS_DMA
+#define __async_inline
+#else
+#define __async_inline __always_inline
+#endif
+
/**
* dma_chan_ref - object used to manage dma channels received from the
* dmaengine core.
--
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
