Commit-ID: b7fa07460b0f0e9fbe6d9319a0864c145bd59bcb
Gitweb: https://git.kernel.org/tip/b7fa07460b0f0e9fbe6d9319a0864c145bd59bcb
Author: Christoph Hellwig <hch@xxxxxx>
AuthorDate: Mon, 19 Mar 2018 11:38:22 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 20 Mar 2018 10:01:58 +0100
set_memory.h: Provide set_memory_{en,de}crypted() stubs
... to make these APIs more universally available.
Tested-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Reviewed-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Jon Mason <jdmason@xxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Muli Ben-Yehuda <mulix@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20180319103826.12853-11-hch@xxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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_ */
--
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