linux-kernel - [PATCH 10/13] set_memory.h: provide set_memory

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Date:   Mon,  5 Mar 2018 09:46:52 -0800
From:   Christoph Hellwig <hch@....de>
To:     x86@...nel.org
Cc:     Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        David Woodhouse <dwmw2@...radead.org>,
        Muli Ben-Yehuda <mulix@...ix.org>,
        Jon Mason <jdmason@...zu.us>, Joerg Roedel <joro@...tes.org>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: [PATCH 10/13] set_memory.h: provide set_memory_{en,de}crypted stubs

Signed-off-by: Christoph Hellwig <hch@....de>
---
 include/linux/set_memory.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/set_memory.h b/include/linux/set_memory.h
index e5140648f638..da5178216da5 100644
--- a/include/linux/set_memory.h
+++ b/include/linux/set_memory.h
@@ -17,4 +17,16 @@ static inline int set_memory_x(unsigned long addr,  int numpages) { return 0; }
 static inline int set_memory_nx(unsigned long addr, int numpages) { return 0; }
 #endif
 
+#ifndef CONFIG_ARCH_HAS_MEM_ENCRYPT
+static inline int set_memory_encrypted(unsigned long addr, int numpages)
+{
+	return 0;
+}
+
+static inline int set_memory_decrypted(unsigned long addr, int numpages)
+{
+	return 0;
+}
+#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */
+
 #endif /* _LINUX_SET_MEMORY_H_ */
-- 
2.14.2