- Fix document section markups;
- use quote blocks where needed;
- adjust spaces and blank lines;
- add it to the development-processs book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
---
Documentation/development-process/index.rst | 1 +
.../volatile-considered-harmful.rst | 1 +
Documentation/volatile-considered-harmful.txt | 19 +++++++++++--------
3 files changed, 13 insertions(+), 8 deletions(-)
create mode 120000 Documentation/development-process/volatile-considered-harmful.rst
diff --git a/Documentation/development-process/index.rst b/Documentation/development-process/index.rst
index 6c67a6e7534f..ec0e0c25af30 100644
--- a/Documentation/development-process/index.rst
+++ b/Documentation/development-process/index.rst
@@ -27,5 +27,6 @@ Contents:
CodeOfConflict
adding-syscalls
magic-number
+ volatile-considered-harmful
development-process
diff --git a/Documentation/development-process/volatile-considered-harmful.rst b/Documentation/development-process/volatile-considered-harmful.rst
new file mode 120000
index 000000000000..9a1f139a8441
--- /dev/null
+++ b/Documentation/development-process/volatile-considered-harmful.rst
@@ -0,0 +1 @@
+../volatile-considered-harmful.txt
\ No newline at end of file
diff --git a/Documentation/volatile-considered-harmful.txt b/Documentation/volatile-considered-harmful.txt
index db0cb228d64a..e0d042af386c 100644
--- a/Documentation/volatile-considered-harmful.txt
+++ b/Documentation/volatile-considered-harmful.txt
@@ -22,7 +22,7 @@ need to use volatile as well. If volatile is still necessary, there is
almost certainly a bug in the code somewhere. In properly-written kernel
code, volatile can only serve to slow things down.
-Consider a typical block of kernel code:
+Consider a typical block of kernel code::
spin_lock(&the_lock);
do_something_on(&shared_data);
@@ -57,7 +57,7 @@ optimization, so, once again, volatile is unnecessary.
Another situation where one might be tempted to use volatile is
when the processor is busy-waiting on the value of a variable. The right
-way to perform a busy wait is:
+way to perform a busy wait is::
while (my_variable != what_i_want)
cpu_relax();
@@ -103,17 +103,20 @@ they come with a justification which shows that the concurrency issues have
been properly thought through.
-NOTES
------
+References
+==========
[1] http://lwn.net/Articles/233481/
+
[2] http://lwn.net/Articles/233482/
-CREDITS
--------
+Credits
+=======
Original impetus and research by Randy Dunlap
+
Written by Jonathan Corbet
+
Improvements via comments from Satyam Sharma, Johannes Stezenbach, Jesper
- Juhl, Heikki Orsila, H. Peter Anvin, Philipp Hahn, and Stefan
- Richter.
+Juhl, Heikki Orsila, H. Peter Anvin, Philipp Hahn, and Stefan
+Richter.
--
2.7.4
--
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