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powerpc/mm/radix: Invalidate ERAT on tlbiel for POWER9 DD1
On POWER9 DD1, when we do a local TLB invalidate we also need to explicitly invalidate the ERAT. Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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2 changed files with 5 additions and 0 deletions
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@ -460,5 +460,6 @@
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#define PPC_SLBIA(IH) stringify_in_c(.long PPC_INST_SLBIA | \
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((IH & 0x7) << 21))
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#define PPC_INVALIDATE_ERAT PPC_SLBIA(7)
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#endif /* _ASM_POWERPC_PPC_OPCODE_H */
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@ -50,6 +50,8 @@ static inline void _tlbiel_pid(unsigned long pid, unsigned long ric)
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for (set = 0; set < POWER9_TLB_SETS_RADIX ; set++) {
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__tlbiel_pid(pid, set, ric);
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}
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if (cpu_has_feature(CPU_FTR_POWER9_DD1))
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asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
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return;
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}
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@ -83,6 +85,8 @@ static inline void _tlbiel_va(unsigned long va, unsigned long pid,
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asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1)
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: : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory");
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asm volatile("ptesync": : :"memory");
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if (cpu_has_feature(CPU_FTR_POWER9_DD1))
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asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
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}
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static inline void _tlbie_va(unsigned long va, unsigned long pid,
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