linux-kernel - [PATCH v2 14/27] Documentation: x86: convert amd-memory-encryption.txt to reST

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Message-Id: <20190502070633.9809-15-changbin.du@gmail.com>
Date:   Thu,  2 May 2019 15:06:20 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     corbet@....net, tglx@...utronix.de, mingo@...hat.com, bp@...en8.de
Cc:     x86@...nel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...il.com>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
Subject: [PATCH v2 14/27] Documentation: x86: convert amd-memory-encryption.txt to reST

This converts the plain text documentation to reStructuredText format and
add it to Sphinx TOC tree. No essential content change.

Signed-off-by: Changbin Du <changbin.du@...il.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@...nel.org>
---
 ...ory-encryption.txt => amd-memory-encryption.rst} | 13 ++++++++++---
 Documentation/x86/index.rst                         |  1 +
 2 files changed, 11 insertions(+), 3 deletions(-)
 rename Documentation/x86/{amd-memory-encryption.txt => amd-memory-encryption.rst} (94%)

diff --git a/Documentation/x86/amd-memory-encryption.txt b/Documentation/x86/amd-memory-encryption.rst
similarity index 94%
rename from Documentation/x86/amd-memory-encryption.txt
rename to Documentation/x86/amd-memory-encryption.rst
index afc41f544dab..c48d452d0718 100644
--- a/Documentation/x86/amd-memory-encryption.txt
+++ b/Documentation/x86/amd-memory-encryption.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=====================
+AMD Memory Encryption
+=====================
+
 Secure Memory Encryption (SME) and Secure Encrypted Virtualization (SEV) are
 features found on AMD processors.
 
@@ -34,7 +40,7 @@ is operating in 64-bit or 32-bit PAE mode, in all other modes the SEV hardware
 forces the memory encryption bit to 1.
 
 Support for SME and SEV can be determined through the CPUID instruction. The
-CPUID function 0x8000001f reports information related to SME:
+CPUID function 0x8000001f reports information related to SME::
 
 	0x8000001f[eax]:
 		Bit[0] indicates support for SME
@@ -48,14 +54,14 @@ CPUID function 0x8000001f reports information related to SME:
 			   addresses)
 
 If support for SME is present, MSR 0xc00100010 (MSR_K8_SYSCFG) can be used to
-determine if SME is enabled and/or to enable memory encryption:
+determine if SME is enabled and/or to enable memory encryption::
 
 	0xc0010010:
 		Bit[23]   0 = memory encryption features are disabled
 			  1 = memory encryption features are enabled
 
 If SEV is supported, MSR 0xc0010131 (MSR_AMD64_SEV) can be used to determine if
-SEV is active:
+SEV is active::
 
 	0xc0010131:
 		Bit[0]	  0 = memory encryption is not active
@@ -68,6 +74,7 @@ requirements for the system.  If this bit is not set upon Linux startup then
 Linux itself will not set it and memory encryption will not be possible.
 
 The state of SME in the Linux kernel can be documented as follows:
+
 	- Supported:
 	  The CPU supports SME (determined through CPUID instruction).
 
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index b5cdc0d889b3..85f1f44cc8ac 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -20,3 +20,4 @@ x86-specific Documentation
    pat
    protection-keys
    intel_mpx
+   amd-memory-encryption
-- 
2.20.1