kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

A flaw was found in sysmembarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine...

kernel: sched/membarrier: reduce the ability to hammer on sys_membarrier

A flaw was found in sysmembarrier in the Linux kernel in sched/membarrier in how a user calls it at too high of a frequency. This flaw allows a local user to saturate the machine...