swiotlb: unexport is_swiotlb_active

Christoph Hellwig · Christoph Hellwig · commit 42e584a98560 · 2023-07-31T17:54:27.000+02:00
Drivers have no business looking at dma-mapping or swiotlb internals.

Signed-off-by: Christoph Hellwig &lt;hch@lst.de&gt;
Reviewed-by: Juergen Gross &lt;jgross@suse.com&gt;
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
@@ -956,7 +956,6 @@ bool is_swiotlb_active(struct device *dev)
 
 	return mem && mem->nslabs;
 }
-EXPORT_SYMBOL_GPL(is_swiotlb_active);
 
 #ifdef CONFIG_DEBUG_FS
 

Original file line number	Diff line number	Diff line change
`@@ -956,7 +956,6 @@ bool is_swiotlb_active(struct device *dev)`
`956`	`956`
`957`	`957`	`return mem && mem->nslabs;`
`958`	`958`	`}`
`959`		`-EXPORT_SYMBOL_GPL(is_swiotlb_active);`
`960`	`959`
`961`	`960`	`#ifdef CONFIG_DEBUG_FS`
`962`	`961`