linux-kernel - Re: [PATCH -v2 7/9] swiotlb: add swiotlb

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Date:	Tue, 10 Nov 2009 12:27:50 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Cc:	linux-kernel@...r.kernel.org, chrisw@...s-sol.org,
	wmw2@...radead.org, joerg.roedel@....com, muli@...ibm.com
Subject: Re: [PATCH -v2 7/9] swiotlb: add swiotlb_free function


this patch needed the fix below, for the !CONFIG_SWIOTLB case.

	Ingo

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index 6b70068..eb9bdb4 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -87,6 +87,11 @@ swiotlb_dma_mapping_error(struct device *hwdev, dma_addr_t dma_addr);
 extern int
 swiotlb_dma_supported(struct device *hwdev, u64 mask);
 
+#ifdef CONFIG_SWIOTLB
 extern void __init swiotlb_free(void);
+#else
+static inline void swiotlb_free(void) { }
+#endif
+
 extern void swiotlb_print_info(void);
 #endif /* __LINUX_SWIOTLB_H */

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