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There are two generations of tlb operation instruction for C-SKY. First generation is use mcr register and it need software do more things, second generation is use specific instructions, eg: tlbi.va, tlbi.vas, tlbi.alls We implemented the following functions: - flush_tlb_range (a range of entries) - flush_tlb_page (one entry) Above functions use asid from vma->mm to invalid tlb entries and we could use tlbi.vas instruction for newest generation csky cpu. - flush_tlb_kernel_range - flush_tlb_one Above functions don't care asid and it invalid the tlb entries only with vpn and we could use tlbi.vaas instruction for newest generat- ion csky cpu. Signed-off-by: Guo Ren <ren_guo@c-sky.com> Cc: Arnd Bergmann <arnd@arndb.de> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
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.