Messages in this thread |  | | Date | Tue, 16 Jan 2018 19:22:13 +0000 (UTC) | From | Mathieu Desnoyers <> | Subject | Re: [PATCH for 4.16 08/10] membarrier: x86: Provide core serializing command (v3) |
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----- On Jan 16, 2018, at 1:29 PM, Thomas Gleixner tglx@linutronix.de wrote:
> On Mon, 15 Jan 2018, Mathieu Desnoyers wrote: > >> There are two places where core serialization is needed by membarrier: >> >> 1) When returning from the membarrier IPI, >> 2) After scheduler updates curr to a thread with a different mm, before >> going back to user-space, since the curr->mm is used by membarrier to >> check whether it needs to send an IPI to that CPU. > > This wants to be split into x86 and core changes. Ideally you make the core > changes before the previous patch and add the empty inline into > linux/processor.h....
Good point, done. The first commit introducing the new command now also introduces the generic stuff moved from the x86 patches.
Thanks,
Mathieu
> > Thanks, > > tglx
-- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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