| commit | d27dfa13b9f77ae7e6ed09d70a0426ed26c1a8f9 | [log] [tgz] |
|---|---|---|
| author | John David Anglin <dave.anglin@bell.net> | Tue Oct 16 21:07:59 2018 -0400 |
| committer | Helge Deller <deller@gmx.de> | Wed Oct 17 08:18:01 2018 +0200 |
| tree | c5cf891ba797b92a699bc6c3da95016ffc057c88 | |
| parent | 2e37787df0ed0047848dba2eba53510a9185b991 [diff] |
parisc: Release spinlocks using ordered store This patch updates the spin unlock code to use an ordered store with release semanatics. All prior accesses are guaranteed to be performed before an ordered store is performed. Using an ordered store is significantly faster than using the sync memory barrier. Signed-off-by: John David Anglin <dave.anglin@bell.net> Signed-off-by: Helge Deller <deller@gmx.de>