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SubjectRe: [RFC PATCH v13] sys_membarrier(): system/process-wide memory barrier (x86)
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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