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Documentation: Clarify better about the rwsem non-owner release issue

Message ID 20200322021938.175736-1-joel@joelfernandes.org
State New
Headers show
Series Documentation: Clarify better about the rwsem non-owner release issue | expand

Commit Message

Joel Fernandes (Google) March 22, 2020, 2:19 a.m. UTC 
Reword and clarify better about the rwsem non-owner release issue.

Link: https://lore.kernel.org/linux-pci/20200321212144.GA6475@google.com/

Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 Documentation/locking/locktypes.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/Documentation/locking/locktypes.rst b/Documentation/locking/locktypes.rst
index 6f2c0f5b041e..656dce72f11f 100644
--- a/Documentation/locking/locktypes.rst
+++ b/Documentation/locking/locktypes.rst
@@ -292,7 +292,7 @@  implementations to provide priority inheritance for all lock types except
 the truly spinning ones. Priority inheritance on ownerless locks is
 obviously impossible.
 
-For now the rwsem non-owner release excludes code which utilizes it from
-being used on PREEMPT_RT enabled kernels. In same cases this can be
-mitigated by disabling portions of the code, in other cases the complete
-functionality has to be disabled until a workable solution has been found.
+For now, a PREEMPT_RT kernel just disables code sections that perform a
+non-owner release of an rwsem. In some cases, parts of the code are disabled.
+In other cases, the complete functionality has to be disabled until a workable
+solution has been found.