This reverts commit e409b7f19172a3c154de62de4baf32a2c25a375a. Commit 7d06fed77b7d ("s390/smp: rework absolute lowcore access") introduced mutex lock with interrupts disabled. This commit is a follow-up that needs to be reverted as well. Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Linux kernel ============ There are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. Please read Documentation/admin-guide/README.rst first. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. The formatted documentation can also be read online at: https://www.kernel.org/doc/html/latest/ There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. 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.
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