Messages in this thread | | | Date | Tue, 17 Mar 2015 18:30:35 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC PATCH v13] sys_membarrier(): system/process-wide memory barrier (x86) |
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On Tue, Mar 17, 2015 at 01:22:02PM -0400, Mathieu Desnoyers wrote: > Here is an implementation of a new system call, sys_membarrier(), which > executes a memory barrier on either all running threads of the current > process (MEMBARRIER_PRIVATE) issues a memory barrier on all threads > running on the system (~MEMBARRIER_PRIVATE). Both are currently > implemented by calling synchronize_sched().
Then why bother with the flag?
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