powerpc: Make slb_shadow a local
The only external user of slb_shadow is the pseries lpar code, and it can access through the paca array instead. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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@ -132,8 +132,6 @@ struct slb_shadow {
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} save_area[SLB_NUM_BOLTED];
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} ____cacheline_aligned;
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extern struct slb_shadow slb_shadow[];
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/*
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* Layout of entries in the hypervisor's dispatch trace log buffer.
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*/
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@ -99,7 +99,7 @@ static inline void free_lppacas(void) { }
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* 3 persistent SLBs are registered here. The buffer will be zero
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* initially, hence will all be invaild until we actually write them.
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*/
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struct slb_shadow slb_shadow[] __cacheline_aligned = {
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static struct slb_shadow slb_shadow[] __cacheline_aligned = {
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[0 ... (NR_CPUS-1)] = {
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.persistent = cpu_to_be32(SLB_NUM_BOLTED),
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.buffer_length = cpu_to_be32(sizeof(struct slb_shadow)),
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@ -92,7 +92,7 @@ void vpa_init(int cpu)
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* PAPR says this feature is SLB-Buffer but firmware never
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* reports that. All SPLPAR support SLB shadow buffer.
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*/
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addr = __pa(&slb_shadow[cpu]);
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addr = __pa(paca[cpu].slb_shadow_ptr);
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if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
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ret = register_slb_shadow(hwcpu, addr);
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if (ret)
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