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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(int cpu, long (*fn) (void *), void * arg);

ARGUMENTS

cpu
the cpu to run on
fn
the function to run
arg
the function arg

DESCRIPTION

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.

RETURN

The value fn returns.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16