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The vDSO library should only include the necessary headers required for
a userspace library (UAPI and a minimal set of kernel headers). To make
this possible it is necessary to isolate from the kernel headers the
common parts that are strictly necessary to build the library.
Introduce asm/vdso/clocksource.h to contain all the arm64 specific
functions that are suitable for vDSO inclusion.
This header will be required by a future patch that will generalize
vdso/clocksource.h.
Signed-off-by: Vincenzo Frascino <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Russell King <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Convert ARM/ARM64 to the generic VDSO clock mode storage. This needs to
happen in one go as they share the clocksource driver.
Signed-off-by: Thomas Gleixner <[email protected]>
Tested-by: Vincenzo Frascino <[email protected]>
Reviewed-by: Vincenzo Frascino <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Instead of comparing the name to a magic string, use archdata to
explicitly communicate whether the arch timer is suitable for
direct vdso access.
Acked-by: Will Deacon <[email protected]>
Acked-by: Russell King <[email protected]>
Acked-by: Marc Zyngier <[email protected]>
Signed-off-by: Scott Wood <[email protected]>
Signed-off-by: Will Deacon <[email protected]>
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