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McKenney" , Steven Rostedt , Randy Dunlap , Sebastian Andrzej Siewior , Logan Gunthorpe , Kurt Schwemmer , Bjorn Helgaas , "linux-pci@vger.kernel.org Felipe Balbi" , Greg Kroah-Hartman , "linux-usb@vger.kernel.org Kalle Valo" , "David S. Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Oleg Nesterov , Davidlohr Bueso , Michael Ellerman , Arnd Bergmann , linuxppc-dev@lists.ozlabs.org Subject: [PATCH] Documentation: Clarify better about the rwsem non-owner release issue Date: Sat, 21 Mar 2020 22:19:38 -0400 Message-Id: <20200322021938.175736-1-joel@joelfernandes.org> X-Mailer: git-send-email 2.25.1.696.g5e7596f4ac-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org 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) --- Documentation/locking/locktypes.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) 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. -- 2.25.1.696.g5e7596f4ac-goog