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powerpc: clean stack pointers naming

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Some stack pointers used to also be thread_info pointers
and were called tp. Now that they are only stack pointers,
rename them sp.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy
2019-01-12 09:55:53 +00:00
committed by Michael Ellerman
parent c911d2e128
commit d608898abc
2 changed files with 10 additions and 18 deletions
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11
arch/powerpc/kernel/setup_64.c
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@@ -716,19 +716,14 @@ void __init emergency_stack_init(void)
limit = min(ppc64_bolted_size(), ppc64_rma_size);
for_each_possible_cpu(i) {
void *ti;
ti = alloc_stack(limit, i);
paca_ptrs[i]->emergency_sp = ti + THREAD_SIZE;
paca_ptrs[i]->emergency_sp = alloc_stack(limit, i) + THREAD_SIZE;
#ifdef CONFIG_PPC_BOOK3S_64
/* emergency stack for NMI exception handling. */
ti = alloc_stack(limit, i);
paca_ptrs[i]->nmi_emergency_sp = ti + THREAD_SIZE;
paca_ptrs[i]->nmi_emergency_sp = alloc_stack(limit, i) + THREAD_SIZE;
/* emergency stack for machine check exception handling. */
ti = alloc_stack(limit, i);
paca_ptrs[i]->mc_emergency_sp = ti + THREAD_SIZE;
paca_ptrs[i]->mc_emergency_sp = alloc_stack(limit, i) + THREAD_SIZE;
#endif
}
}