stop_machine: add ALL_CPUS option

-allow stop_mahcine_run() to call a function on all cpus. Calling
 stop_machine_run() with a 'ALL_CPUS' invokes this new behavior.
 stop_machine_run() proceeds as normal until the calling cpu has
 invoked 'fn'. Then, we tell all the other cpus to call 'fn'.

Signed-off-by: Jason Baron <[email protected]>
Signed-off-by: Mathieu Desnoyers <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
CC: Adrian Bunk <[email protected]>
CC: Andi Kleen <[email protected]>
CC: Alexey Dobriyan <[email protected]>
CC: Christoph Hellwig <[email protected]>
CC: [email protected]
CC: [email protected]

0 files changed, 0 insertions, 0 deletions