lkml.org 
[lkml]   [2018]   [Mar]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:x86/dma] set_memory.h: Provide set_memory_{en,de}crypted() stubs
Commit-ID:  b7fa07460b0f0e9fbe6d9319a0864c145bd59bcb
Gitweb: https://git.kernel.org/tip/b7fa07460b0f0e9fbe6d9319a0864c145bd59bcb
Author: Christoph Hellwig <hch@lst.de>
AuthorDate: Mon, 19 Mar 2018 11:38:22 +0100
Committer: Ingo Molnar <mingo@kernel.org>
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@amd.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Jon Mason <jdmason@kudzu.us>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Muli Ben-Yehuda <mulix@mulix.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: iommu@lists.linux-foundation.org
Link: http://lkml.kernel.org/r/20180319103826.12853-11-hch@lst.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
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_ */
\
 
 \ /
  Last update: 2018-03-23 20:53    [W:0.207 / U:0.196 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site