Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Changbin Du <changbin.du@gmail.com>
To:     corbet@lwn.net, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de
Cc:     x86@kernel.org, linux-doc@vger.kernel.org,
        linux-kernel@vger.kernel.org, Changbin Du <changbin.du@gmail.com>,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Subject: [PATCH v2 06/27] Documentation: x86: convert entry_64.txt to reST
Date:   Thu,  2 May 2019 15:06:12 +0800
Message-Id: <20190502070633.9809-7-changbin.du@gmail.com>
In-Reply-To: <20190502070633.9809-1-changbin.du@gmail.com>
References: <20190502070633.9809-1-changbin.du@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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@gmail.com>
Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
 Documentation/x86/{entry_64.txt => entry_64.rst} | 12 +++++++++---
 Documentation/x86/index.rst                      |  1 +
 2 files changed, 10 insertions(+), 3 deletions(-)
 rename Documentation/x86/{entry_64.txt => entry_64.rst} (95%)

diff --git a/Documentation/x86/entry_64.txt b/Documentation/x86/entry_64.rst
similarity index 95%
rename from Documentation/x86/entry_64.txt
rename to Documentation/x86/entry_64.rst
index c1df8eba9dfd..a48b3f6ebbe8 100644
--- a/Documentation/x86/entry_64.txt
+++ b/Documentation/x86/entry_64.rst
@@ -1,3 +1,9 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============
+Kernel Entries
+==============
+
 This file documents some of the kernel entries in
 arch/x86/entry/entry_64.S.  A lot of this explanation is adapted from
 an email from Ingo Molnar:
@@ -59,7 +65,7 @@ Now, there's a secondary complication: there's a cheap way to test
 which mode the CPU is in and an expensive way.
 
 The cheap way is to pick this info off the entry frame on the kernel
-stack, from the CS of the ptregs area of the kernel stack:
+stack, from the CS of the ptregs area of the kernel stack::
 
 	xorl %ebx,%ebx
 	testl $3,CS+8(%rsp)
@@ -67,7 +73,7 @@ stack, from the CS of the ptregs area of the kernel stack:
 	SWAPGS
 
 The expensive (paranoid) way is to read back the MSR_GS_BASE value
-(which is what SWAPGS modifies):
+(which is what SWAPGS modifies)::
 
 	movl $1,%ebx
 	movl $MSR_GS_BASE,%ecx
@@ -76,7 +82,7 @@ The expensive (paranoid) way is to read back the MSR_GS_BASE value
 	js 1f   /* negative -> in kernel */
 	SWAPGS
 	xorl %ebx,%ebx
-1:	ret
+  1:	ret
 
 If we are at an interrupt or user-trap/gate-alike boundary then we can
 use the faster check: the stack will be a reliable indicator of
diff --git a/Documentation/x86/index.rst b/Documentation/x86/index.rst
index f6f4e0fc79f2..0e3e73458738 100644
--- a/Documentation/x86/index.rst
+++ b/Documentation/x86/index.rst
@@ -12,3 +12,4 @@ x86-specific Documentation
    topology
    exception-tables
    kernel-stacks
+   entry_64
-- 
2.20.1