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Re: membar_enter semantics

To: Martin Husemann <martin%duskware.de@localhost>
Subject: Re: membar_enter semantics
From: Jason Thorpe <thorpej%me.com@localhost>
Date: Fri, 11 Feb 2022 09:03:19 -0800

> On Feb 11, 2022, at 8:45 AM, Martin Husemann <martin%duskware.de@localhost> wrote:
> 
> so Jason is correct. For userland we default to RMO for 64bit binaries
> (but honor their elf flags), and TSO for 32bit.

Right, v7 didn't have any barrier instructions, and v8 only had STBAR (a stores-before-stores barrier), IIRC.  I did not realize we are using RMO for 64-bit userland, tho.

-- thorpej

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- Re: membar_enter semantics
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- Re: membar_enter semantics
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