Anton Blanchard wrote:
I noticed that sync_lock_release uses lwsync if available but every other sync_* builtin uses a heavyweight sync. eg:
Every other sync builtin has full-barrier semantics. AFAIK, isync is correct.
r~
- [PATCH] Use lwsync in PowerPC sync_* builtins Anton Blanchard
- Re: [PATCH] Use lwsync in PowerPC sync_* builtins Richard Henderson
- Re: [PATCH] Use lwsync in PowerPC sync_* builti... Anton Blanchard
- Re: [PATCH] Use lwsync in PowerPC sync_* bu... David Edelsohn
- Re: [PATCH] Use lwsync in PowerPC sync_... David Daney
- Re: [PATCH] Use lwsync in PowerPC ... Joel Sherrill
- Re: [PATCH] Use lwsync in Powe... David Edelsohn
- Re: [PATCH] Use lwsync in ... Joel Sherrill
- Re: [PATCH] Use lwsync in ... Daniel Jacobowitz
- Re: [PATCH] Use lwsync in PowerPC sync_... Anton Blanchard
- Re: [PATCH] Use lwsync in PowerPC sync_... Paolo Bonzini
