Messages in this thread |  | | Date | Tue, 16 Jan 2018 19:28:07 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH for 4.16 07/10] x86: Introduce sync_core_before_usermode (v2) |
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On Mon, 15 Jan 2018, Mathieu Desnoyers wrote:
> Introduce an architecture function that ensures the current CPU > issues a core serializing instruction before returning to usermode. > > This is needed for the membarrier "sync_core" command. > > Architectures defining the sync_core_before_usermode() static inline > need to select ARCH_HAS_SYNC_CORE_BEFORE_USERMODE.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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