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powerpc: Create next_tlbcam_idx percpu variable for FSL_BOOKE

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This is used to round-robin TLBCAM entries.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Becky Bruce
2011-06-28 14:54:47 -05:00
committed by Kumar Gala
parent f6ad160e6f
commit 3160b09796
4 changed files with 24 additions and 0 deletions
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4
arch/powerpc/kernel/smp.c
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@@ -305,6 +305,10 @@ struct thread_info *current_set[NR_CPUS];
static void __devinit smp_store_cpu_info(int id)
{
per_cpu(cpu_pvr, id) = mfspr(SPRN_PVR);
#ifdef CONFIG_PPC_FSL_BOOK3E
per_cpu(next_tlbcam_idx, id)
= (mfspr(SPRN_TLB1CFG) & TLBnCFG_N_ENTRY) - 1;
#endif
}
void __init smp_prepare_cpus(unsigned int max_cpus)