powerpc/64: Allocate pacas per node

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Per-node allocations are possible on 64s with radix that does
not have the bolted SLB limitation.

Hash would be able to do the same if all CPUs had the bottom of
their node-local memory bolted as well. This is left as an
exercise for the reader.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
[mpe: Add dummy definition of boot_cpuid for !SMP]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

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Nicholas Piggin 2018-02-14 01:08:20 +10:00 • committed by Michael Ellerman

parent 59f577743d

commit 4890aea65a

2 changed files with 43 additions and 6 deletions

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45

arch/powerpc/kernel/paca.c

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4

arch/powerpc/kernel/setup_64.c

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