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Re: [PATCH] powerpc: Revert to default atomic ops in elision code
- From: Gabriel Ferreira Teles Gomes <gftg at linux dot vnet dot ibm dot com>
- To: "Paul E. Murphy" <murphyp at linux dot vnet dot ibm dot com>
- Cc: "libc-alpha at sourceware dot org" <libc-alpha at sourceware dot org>, Steve Munroe <sjmunroe at us dot ibm dot com>, Tulio Magno Quites Machado Filho <tuliom at linux dot vnet dot ibm dot com>
- Date: Fri, 14 Aug 2015 08:43:09 -0300
- Subject: Re: [PATCH] powerpc: Revert to default atomic ops in elision code
- Authentication-results: sourceware.org; auth=none
- References: <55CD0A41 dot 6000002 at linux dot vnet dot ibm dot com>
On Thu, Aug 13, 2015 at 04:21:05PM -0500, Paul E. Murphy wrote:
Power ISA 2.07B section B.5.5 relaxed the barrier requirement around a
TLE enabled lock. It is now identical to a traditional lock.
For the record, this is in Book II.
The patch looks good to me.