Sebastian Andrzej Siewior 92d33063c0 x86/vdso: Provide getcpu for x86-32.
Wire up __vdso_getcpu() for x86-32.

The 64bit version is reused with trivial modifications. Contrary to
vclock_gettime.c there is no requirement to fake any defines in the case of
32bit VDSO on a 64bit kernel because the GDT entry from which the CPU and
node information is read is always the native one.

Adopt vdso_getcpu.c by:

 - removing the unneeded time* header files which lead to compile errors
   for 32bit.
 - adding segment.h which provides vdso_read_cpunode() and the defines
   required by it.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20221125094216.3663444-3-bigeasy@linutronix.de
2023-02-06 15:48:54 +01:00
..
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