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| author | Nicholas Piggin <npiggin@gmail.com> | 2018-08-27 05:03:02 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-10-04 15:16:53 +0200 |
| commit | 053c5a753e951c5dd1729af2cf4d8107f2e6e09b (patch) | |
| tree | c98616801eaf0f0bc0598ba0cc76677ef2b831ba | |
| parent | powerpc/64s/hash: Do not use PPC_INVALIDATE_ERAT on CPUs before POWER9 (diff) | |
| download | linux-053c5a753e951c5dd1729af2cf4d8107f2e6e09b.tar.xz linux-053c5a753e951c5dd1729af2cf4d8107f2e6e09b.zip | |
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>
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index fef3e1eb3a19..4e798f33c530 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -366,6 +366,7 @@ static inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned long ric) __tlbiel_lpid_guest(lpid, set, RIC_FLUSH_TLB); asm volatile("ptesync": : :"memory"); + asm volatile(PPC_INVALIDATE_ERAT : : :"memory"); } |