syscall user dispatch configuration is not covered by checkpoint/restore.
To prepare for ptrace access to the syscall user dispatch configuration,
move the inner working of set_syscall_user_dispatch() into a helper
function. Make the helper function task pointer based and let
set_syscall_user_dispatch() invoke it with task=current.
No functional change.
Signed-off-by: Gregory Price <gregory.price@memverge.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20230407171834.3558-2-gregory.price@memverge.com
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