Nicholas Piggin <npig...@gmail.com> writes: > 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 <npig...@gmail.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > --- > arch/powerpc/kernel/mce_power.c | 9 ++++++--- > 1 file changed, 6 insertions(+), 3 deletions(-) > > diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c > index 763d6f58caa8..7b765aa9f2ff 100644 > --- a/arch/powerpc/kernel/mce_power.c > +++ b/arch/powerpc/kernel/mce_power.c > @@ -72,10 +72,13 @@ void __flush_tlb_power8(unsigned int action) > > 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); > } > > > -- > 2.11.0