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powerpc/64s/radix: Explicitly flush ERAT with local LPID invalidation 

Local radix TLB flush operations that operate on congruence classes
have explicit ERAT flushes for POWER9. The process scoped LPID flush
did not have a flush, so add it.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2018-08-27 13:03:02 +10:00 committed by Michael Ellerman
parent bc276ecba1
commit 053c5a753e
1 changed files with 1 additions and 0 deletions
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arch/powerpc/mm/tlb-radix.c
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@ -366,6 +366,7 @@ static inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned long ric)
__tlbiel_lpid_guest(lpid, set, RIC_FLUSH_TLB); __tlbiel_lpid_guest(lpid, set, RIC_FLUSH_TLB);
asm volatile("ptesync": : :"memory"); asm volatile("ptesync": : :"memory");
asm volatile(PPC_INVALIDATE_ERAT : : :"memory");
} }