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| author |   Michael Neuling <mikey@neuling.org> | 2016-11-18 14:08:56 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-11-18 15:12:24 +1100 |
| commit | 96ed1fe511a8b4948e53f3bad431d8737e8f231f (patch) | |
| tree | 668e48a34edab1b8d17ee90873c9011fd72ce069 /arch/powerpc/mm/tlb-radix.c | |
| parent | powerpc/64: Fix setting of AIL in hypervisor mode (diff) | |
| download | linux-dev-96ed1fe511a8b4948e53f3bad431d8737e8f231f.tar.xz linux-dev-96ed1fe511a8b4948e53f3bad431d8737e8f231f.zip | |
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>
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/mm/tlb-radix.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index bda8c43be78a..3493cf4e0452 100644 --- 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, |