[PATCH 2/4] docs, kprobes: Remove invalid URL and add new reference

[Tiezhu Yang]

The following reference is invalid, remove it.
https://www.ibm.com/developerworks/library/l-kprobes/index.html

Add the following new reference "An introduction to KProbes":
https://lwn.net/Articles/132196/

Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>
---
 Documentation/trace/kprobes.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/trace/kprobes.rst b/Documentation/trace/kprobes.rst
index 998149c..f318bce 100644
--- a/Documentation/trace/kprobes.rst
+++ b/Documentation/trace/kprobes.rst
@@ -784,6 +784,6 @@ References
 
 For additional information on Kprobes, refer to the following URLs:
 
-- https://www.ibm.com/developerworks/library/l-kprobes/index.html
+- https://lwn.net/Articles/132196/
 - https://www.kernel.org/doc/ols/2006/ols2006v2-pages-109-124.pdf
 
-- 
2.1.0