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We have always had softe in pt_regs, and accessible via PT_SOFTE, even though it is not userspace state. The value userspace sees should always be 1, because we should never be in userspace with interrupts soft disabled. In a subsequent patch we will be changing the semantics of the kernel softe value, so hard wire the value to 1 to retain the existing semantics. As far as we know nothing ever looks at it, but better safe than sorry. Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> [mpe: Split out of larger patch, write change log] 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.