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commit 1b5d43cfb69759d8ef8d30469cea31d0c037aed5 upstream. This patch prevents the 'global_tunables_lock' mutex from being unlocked before being locked. This mutex is not locked if the sugov_kthread_create() function fails. Signed-off-by: Jules Maselbas <jules.maselbas@arm.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Chris Redpath <chris.redpath@arm.com> Cc: Dietmar Eggermann <dietmar.eggemann@arm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Patrick Bellasi <patrick.bellasi@arm.com> Cc: Stephen Kyle <stephen.kyle@arm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Cc: nd@arm.com Link: http://lkml.kernel.org/r/20180329144301.38419-1-jules.maselbas@arm.com Signed-off-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.