d27dfa13b9f7 ("parisc: Release spinlocks using ordered store") 3b885ac1dc35 ("parisc: Remove unnecessary barriers from spinlock.h") 7797167ffde1 ("parisc: Remove ordered stores from syscall.S") fedb8da96355 ("parisc: Define mb() and add memory barriers to assembler unlock sequences") f4125cfdb300 ("parisc: Avoid trashing sr2 and sr3 in LWS code")