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Re: Will ll/sc work from user space?

To: David Daney <>
Subject: Re: Will ll/sc work from user space?
From: "Maciej W. Rozycki" <>
Date: Fri, 19 Sep 2003 13:17:49 +0200 (MET DST)
In-reply-to: <>
Organization: Technical University of Gdansk
Original-recipient: rfc822;
On Thu, 18 Sep 2003, David Daney wrote:

> Q:  Will ll/sc instructions work from a linux user process ?


> If so What happens if there is a context switch between the two?
> What happens if the memory location is paged out and then back into a 
> different physical page?

 Then sc will fail.

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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