enable lvds 1280x800

hc

2023-11-20 0d8657dd3056063fb115946b10157477b5c70451

 kernel/kernel/rcu/tree_exp.h
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@@ -472,7 +472,6 @@
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 static void sync_rcu_exp_select_cpus(struct rcu_state *rsp,
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 				     smp_call_func_t func)
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 {
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-	int cpu;
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 	struct rcu_node *rnp;
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 	trace_rcu_exp_grace_period(rsp->name, rcu_exp_gp_seq_endval(rsp), TPS("reset"));
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@@ -494,13 +493,7 @@
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 			continue;
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 		}
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 		INIT_WORK(&rnp->rew.rew_work, sync_rcu_exp_select_node_cpus);
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-		preempt_disable();
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-		cpu = cpumask_next(rnp->grplo - 1, cpu_online_mask);
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-		/* If all offline, queue the work on an unbound CPU. */
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-		if (unlikely(cpu > rnp->grphi))
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-			cpu = WORK_CPU_UNBOUND;
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-		queue_work_on(cpu, rcu_par_gp_wq, &rnp->rew.rew_work);
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-		preempt_enable();
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+		queue_work_on(rnp->grplo, rcu_par_gp_wq, &rnp->rew.rew_work);
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 		rnp->exp_need_flush = true;
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 	}
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