disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/x86/kernel/apic/x2apic_cluster.c
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@@ -1,15 +1,13 @@
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 // SPDX-License-Identifier: GPL-2.0
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-#include <linux/threads.h>
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-#include <linux/cpumask.h>
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-#include <linux/string.h>
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-#include <linux/kernel.h>
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-#include <linux/ctype.h>
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-#include <linux/dmar.h>
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-#include <linux/irq.h>
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-#include <linux/cpu.h>
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-#include <asm/smp.h>
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-#include "x2apic.h"
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+#include <linux/cpuhotplug.h>
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+#include <linux/cpumask.h>
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+#include <linux/slab.h>
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+#include <linux/mm.h>
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+
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+#include <asm/apic.h>
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+
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+#include "local.h"
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 struct cluster_mask {
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 	unsigned int	clusterid;
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@@ -52,7 +50,7 @@
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 	cpumask_copy(tmpmsk, mask);
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 	/* If IPI should not be sent to self, clear current CPU */
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 	if (apic_dest != APIC_DEST_ALLINC)
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-		cpumask_clear_cpu(smp_processor_id(), tmpmsk);
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+		__cpumask_clear_cpu(smp_processor_id(), tmpmsk);
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 	/* Collapse cpus in a cluster so a single IPI per cluster is sent */
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 	for_each_cpu(cpu, tmpmsk) {
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@@ -86,12 +84,12 @@
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 static void x2apic_send_IPI_allbutself(int vector)
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 {
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-	__x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT);
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+	__x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLBUT);
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 }
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 static void x2apic_send_IPI_all(int vector)
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 {
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-	__x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC);
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+	__x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLINC);
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 }
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 static u32 x2apic_calc_apicid(unsigned int cpu)