netdev - [mm PATCH v2 01/26] swiotlb: Drop unused functions swiotlb_map_sg and swiotlb_unmap

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161102111211.79519.39931.stgit@ahduyck-blue-test.jf.intel.com>
Date:   Wed, 02 Nov 2016 07:12:31 -0400
From:   Alexander Duyck <alexander.h.duyck@...el.com>
To:     linux-mm@...ck.org, akpm@...ux-foundation.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Subject: [mm PATCH v2 01/26] swiotlb: Drop unused functions swiotlb_map_sg
 and swiotlb_unmap_sg

There are no users for swiotlb_map_sg or swiotlb_unmap_sg so we might as
well just drop them.

Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
Signed-off-by: Alexander Duyck <alexander.h.duyck@...el.com>
---

v2: Added swiotlb_unmap_sg to functions dropped.

 include/linux/swiotlb.h |    8 --------
 lib/swiotlb.c           |   16 ----------------
 2 files changed, 24 deletions(-)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 5f81f8a..f0d2589 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -73,14 +73,6 @@ extern void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 			       unsigned long attrs);
 
 extern int
-swiotlb_map_sg(struct device *hwdev, struct scatterlist *sg, int nents,
-	       enum dma_data_direction dir);
-
-extern void
-swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sg, int nents,
-		 enum dma_data_direction dir);
-
-extern int
 swiotlb_map_sg_attrs(struct device *hwdev, struct scatterlist *sgl, int nelems,
 		     enum dma_data_direction dir,
 		     unsigned long attrs);
diff --git a/lib/swiotlb.c b/lib/swiotlb.c
index 22e13a0..5005316 100644
--- a/lib/swiotlb.c
+++ b/lib/swiotlb.c
@@ -910,14 +910,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 }
 EXPORT_SYMBOL(swiotlb_map_sg_attrs);
 
-int
-swiotlb_map_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
-	       enum dma_data_direction dir)
-{
-	return swiotlb_map_sg_attrs(hwdev, sgl, nelems, dir, 0);
-}
-EXPORT_SYMBOL(swiotlb_map_sg);
-
 /*
  * Unmap a set of streaming mode DMA translations.  Again, cpu read rules
  * concerning calls here are the same as for swiotlb_unmap_page() above.
@@ -938,14 +930,6 @@ void swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
 }
 EXPORT_SYMBOL(swiotlb_unmap_sg_attrs);
 
-void
-swiotlb_unmap_sg(struct device *hwdev, struct scatterlist *sgl, int nelems,
-		 enum dma_data_direction dir)
-{
-	return swiotlb_unmap_sg_attrs(hwdev, sgl, nelems, dir, 0);
-}
-EXPORT_SYMBOL(swiotlb_unmap_sg);
-
 /*
  * Make physical memory consistent for a set of streaming mode DMA translations
  * after a transfer.