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Currently the basic tests just validate various page table transformations after starting with vm_get_page_prot(VM_READ|VM_WRITE|VM_EXEC) protection. Instead scan over the entire protection_map[] for better coverage. It also makes sure that all these basic page table tranformations checks hold true irrespective of the starting protection value for the page table entry. There is also a slight change in the debug print format for basic tests to capture the protection value it is being tested with. The modified output looks something like [pte_basic_tests ]: Validating PTE basic () [pte_basic_tests ]: Validating PTE basic (read) [pte_basic_tests ]: Validating PTE basic (write) [pte_basic_tests ]: Validating PTE basic (read|write) [pte_basic_tests ]: Validating PTE basic (exec) [pte_basic_tests ]: Validating PTE basic (read|exec) [pte_basic_tests ]: Validating PTE basic (write|exec) [pte_basic_tests ]: Validating PTE basic (read|write|exec) [pte_basic_tests ]: Validating PTE basic (shared) [pte_basic_tests ]: Validating PTE basic (read|shared) [pte_basic_tests ]: Validating PTE basic (write|shared) [pte_basic_tests ]: Validating PTE basic (read|write|shared) [pte_basic_tests ]: Validating PTE basic (exec|shared) [pte_basic_tests ]: Validating PTE basic (read|exec|shared) [pte_basic_tests ]: Validating PTE basic (write|exec|shared) [pte_basic_tests ]: Validating PTE basic (read|write|exec|shared) This adds a missing argument 'struct mm_struct *' in pud_basic_tests() test . This never got exposed before as PUD based THP is available only on X86 platform where mm_pmd_folded(mm) call gets macro replaced without requiring the mm_struct i.e __is_defined(__PAGETABLE_PMD_FOLDED). Link: https://lkml.kernel.org/r/1611137241-26220-3-git-send-email-anshuman.khandual@arm.com Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> Tested-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> [s390] Reviewed-by: Steven Price <steven.price@arm.com> Suggested-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Vineet Gupta <vgupta@synopsys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| block | ||
| certs | ||
| crypto | ||
| 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 | ||
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| 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.