powerpc/mm/radix: Invalidate ERAT on tlbiel for POWER9 DD1

[mirror_ubuntu-bionic-kernel.git] / arch / powerpc / mm / tlb-radix.c

diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c
index bda8c43be78a4df85d067bc4a7759c63c388d29b..3493cf4e045258df20f5cf47990e991b6af265b7 100644 (file)
--- a/arch/powerpc/mm/tlb-radix.c
+++ b/arch/powerpc/mm/tlb-radix.c
@@ -50,6 +50,8 @@ static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
        for (set = 0; set < POWER9_TLB_SETS_RADIX ; set++) {
                __tlbiel_pid(pid, set, ric);
        }
+       if (cpu_has_feature(CPU_FTR_POWER9_DD1))
+               asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
        return;
 }
 
@@ -83,6 +85,8 @@ static inline void _tlbiel_va(unsigned long va, unsigned long pid,
        asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
                     : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory");
        asm volatile("ptesync": : :"memory");
+       if (cpu_has_feature(CPU_FTR_POWER9_DD1))
+               asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
 }
 
 static inline void _tlbie_va(unsigned long va, unsigned long pid,