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As of [1], using PPS_FETCH on a 64-bit ARM kernel with a 32-bit userland is broken, returning a timeout. This is because the requested 4-byte alignment for struct pps_ktime_compat (illegal on arm64) results in the timeout flags field being uninitialised. Make the hack specific to X86_64 builds with CONFIG_COMPAT defined. [1] commitc2a49fe8ee("pps: fix padding issue with PPS_FETCH for ioctl_compat") See: https://github.com/raspberrypi/linux/issues/5430 Fixes:c2a49fe8ee("pps: fix padding issue with PPS_FETCH for ioctl_compat") Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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.
Build status for rpi-6.1.y:
Build status for rpi-6.6.y:
Build status for rpi-6.12.y:
