diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index b68b5219cf45..ae2e799822bd 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -53,6 +53,17 @@ static inline void _tlbiel_pid(unsigned long pid, unsigned long ric) asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory"); } +static inline void tlbiel_pwc(unsigned long pid) +{ + asm volatile("ptesync": : :"memory"); + + /* For PWC flush, we don't look at set number */ + __tlbiel_pid(pid, 0, RIC_FLUSH_PWC); + + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory"); +} + static inline void _tlbie_pid(unsigned long pid, unsigned long ric) { unsigned long rb,rs,prs,r; @@ -140,7 +151,7 @@ void radix__local_flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr) pid = mm->context.id; if (pid != MMU_NO_CONTEXT) - _tlbiel_pid(pid, RIC_FLUSH_PWC); + tlbiel_pwc(pid); preempt_enable(); } @@ -222,7 +233,7 @@ void radix__flush_tlb_pwc(struct mmu_gather *tlb, unsigned long addr) if (lock_tlbie) raw_spin_unlock(&native_tlbie_lock); } else - _tlbiel_pid(pid, RIC_FLUSH_PWC); + tlbiel_pwc(pid); no_context: preempt_enable(); } |