work_on_cpu man page on Oracle

work_on_cpu man page on Oracle

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WORK_ON_CPU(9)			 Driver Basics			WORK_ON_CPU(9)

NAME
       work_on_cpu - run a function in user context on a particular cpu

SYNOPSIS
       long work_on_cpu(unsigned int cpu, long (*fn) (void *), void * arg);

ARGUMENTS
       cpu
	   the cpu to run on

       fn
	   the function to run

       arg
	   the function arg

DESCRIPTION
       This will return the value fn returns. It is up to the caller to ensure
       that the cpu doesn't go offline. The caller must not hold any locks
       which would prevent fn from completing.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014			WORK_ON_CPU(9)

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