On Mon, 17 Jan 2022 23:44:03 +1000, Nicholas Piggin wrote:
> Commit 314f6c23dd8d ("powerpc/64s: Mask NIP before checking against
> SRR0") masked off the low 2 bits of the NIP value in the interrupt
> stack frame in case they are non-zero and mis-compare against a SRR0
> register value of a CPU
Commit 314f6c23dd8d ("powerpc/64s: Mask NIP before checking against
SRR0") masked off the low 2 bits of the NIP value in the interrupt
stack frame in case they are non-zero and mis-compare against a SRR0
register value of a CPU which always reads back 0 from the 2 low bits
which are reserved.
