Re: [committed] hppa: Revise atomic support to use sync barrier

2018-09-19 Thread John David Anglin
On 2018-08-11 6:17 PM, John David Anglin wrote: It recently came to my attention that PA 2.0 supports out-of-order execution for loads and stores.  Loads and stores are strongly ordered on PA 1.x.  This has caused no end of confusion. This out-of-order execution is discussed in the following a

[committed] hppa: Revise atomic support to use sync barrier

2018-08-11 Thread John David Anglin
It recently came to my attention that PA 2.0 supports out-of-order execution for loads and stores.  Loads and stores are strongly ordered on PA 1.x.  This has caused no end of confusion. This out-of-order execution is discussed in the following article: http://web.archive.org/web/20040214092531