Re: [PATCH] powerpc/64s/hash: Fix assert_slb_presence() use of the slbfee. instruction

2019-02-15 Thread Aneesh Kumar K.V
Nicholas Piggin writes: > The slbfee. instruction must have bit 24 of RB clear, failure to do > so can result in false negatives that result in incorrect assertions. > > This is not obvious from the ISA v3.0B document, which only says: > > The hardware ignores the contents of RB 36:38 40:63 -

[PATCH] powerpc/64s/hash: Fix assert_slb_presence() use of the slbfee. instruction

2019-02-15 Thread Nicholas Piggin
The slbfee. instruction must have bit 24 of RB clear, failure to do so can result in false negatives that result in incorrect assertions. This is not obvious from the ISA v3.0B document, which only says: The hardware ignores the contents of RB 36:38 40:63 -- p.1032 This patch fixes the bug a