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To support soft-masking of the performance monitor interrupt, a set of new powerpc_local_irq_pmu_save() and powerpc_local_irq_restore() functions are added. And powerpc_local_irq_save() implemented, by adding a new irq_soft_mask manipulation function irq_soft_mask_or_return(). Local_irq_pmu_* macros are provided to access these powerpc_local_irq_pmu* functions which includes trace_hardirqs_on|off() to match what we have in include/linux/irqflags.h. Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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.