powerpc/smp: Rename init_thread_group_l1_cache_map() to make it generic
init_thread_group_l1_cache_map() initializes the per-cpu cpumask
thread_group_l1_cache_map with the core-siblings which share L1 cache
with the CPU. Make this function generic to the cache-property (L1 or
L2) and update a suitable mask. This is a preparatory patch for the
next patch where we will introduce discovery of thread-groups that
share L2-cache.
No functional change.
Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1607596739-32439-4-git-send-email-ego@linux.vnet.ibm.com
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