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Will ll/sc work from user space?

Subject: Will ll/sc work from user space?
From: David Daney <>
Date: Thu, 18 Sep 2003 17:30:57 -0700
Original-recipient: rfc822;
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.2.1) Gecko/20021130
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?

Thanks in advance for any insight into this.

David Daney.

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