Currently the ptrace-gpr test only tests the GET/SET(FP)REGS ptrace APIs. But there's an alternate (older) API, called PEEK/POKEUSR. Add some minimal testing of PEEK/POKEUSR of the FPRs. This is sufficient to detect the bug that was fixed recently in the 32-bit ptrace FPR handling. Depends-on: 8e1278444446 ("powerpc/32: Fix overread/overwrite of thread_struct via ptrace") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220627140239.2464900-13-mpe@ellerman.id.au
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.
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