powerpc/64s: Minor fix for MCE TLB flush for radix
The TLB flush for radix first flushes TLB for radix configuration,
then flushes for hash configuration. The second flush is unnecessary
but does not affect correctness.
Fixes: 1a472c9dba6b9 ("powerpc/mm/radix: Add tlbflush routines")
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c
index de242b4b..f913139 100644
--- a/arch/powerpc/kernel/mce_power.c
+++ b/arch/powerpc/kernel/mce_power.c
@@ -72,10 +72,14 @@
void __flush_tlb_power9(unsigned int action)
{
- if (radix_enabled())
- flush_tlb_206(POWER9_TLB_SETS_RADIX, action);
+ unsigned int num_sets;
- flush_tlb_206(POWER9_TLB_SETS_HASH, action);
+ if (radix_enabled())
+ num_sets = POWER9_TLB_SETS_RADIX;
+ else
+ num_sets = POWER9_TLB_SETS_HASH;
+
+ flush_tlb_206(num_sets, action);
}