Fork of alistair23 Linux kernel for reMarkable from https://github.com/alistair23/linux
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A DMB instruction can be used to ensure the relative order of only memory accesses before and after the barrier. Since writes to system registers are not memory operations, barrier DMB is not sufficient for observability of memory accesses that occur before ICC_SGI1R_EL1 writes. A DSB instruction ensures that no instructions that appear in program order after the DSB instruction, can execute until the DSB instruction has completed. Cc: stable@vger.kernel.org Acked-by: Will Deacon <will.deacon@arm.com>, Signed-off-by: Shanker Donthineni <shankerd@codeaurora.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> |
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README
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.