diff options
| author | Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2014-12-05 05:31:15 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-12-05 06:26:21 +0100 |
| commit | 682e77c861c4c60f79ffbeae5e1938ffed24a575 (patch) | |
| tree | 97f4a35e38270f678b3164caa90af7d7378665c5 /arch/powerpc/kernel/mce_power.c | |
| parent | powerpc/mm: don't do tlbie for updatepp request with NO HPTE fault (diff) | |
| download | linux-682e77c861c4c60f79ffbeae5e1938ffed24a575.tar.xz linux-682e77c861c4c60f79ffbeae5e1938ffed24a575.zip | |
powerpc/book3s: Fix partial invalidation of TLBs in MCE code.
The existing MCE code calls flush_tlb hook with IS=0 (single page) resulting
in partial invalidation of TLBs which is not right. This patch fixes
that by passing IS=0xc00 to invalidate whole TLB for successful recovery
from TLB and ERAT errors.
Cc: stable@vger.kernel.org
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/mce_power.c')
| -rw-r--r-- | arch/powerpc/kernel/mce_power.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c index aa9aff3d6ad3..b6f123ab90ed 100644 --- a/arch/powerpc/kernel/mce_power.c +++ b/arch/powerpc/kernel/mce_power.c @@ -79,7 +79,7 @@ static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits) } if (dsisr & P7_DSISR_MC_TLB_MULTIHIT_MFTLB) { if (cur_cpu_spec && cur_cpu_spec->flush_tlb) - cur_cpu_spec->flush_tlb(TLBIEL_INVAL_PAGE); + cur_cpu_spec->flush_tlb(TLBIEL_INVAL_SET); /* reset error bits */ dsisr &= ~P7_DSISR_MC_TLB_MULTIHIT_MFTLB; } @@ -110,7 +110,7 @@ static long mce_handle_common_ierror(uint64_t srr1) break; case P7_SRR1_MC_IFETCH_TLB_MULTIHIT: if (cur_cpu_spec && cur_cpu_spec->flush_tlb) { - cur_cpu_spec->flush_tlb(TLBIEL_INVAL_PAGE); + cur_cpu_spec->flush_tlb(TLBIEL_INVAL_SET); handled = 1; } break; |