change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/arch/ia64/kernel/smpboot.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * SMP boot-related support
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  *
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@@ -24,7 +25,7 @@
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 #include <linux/module.h>
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 #include <linux/acpi.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/cpu.h>
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 #include <linux/delay.h>
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 #include <linux/init.h>
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@@ -46,17 +47,13 @@
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 #include <asm/delay.h>
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 #include <asm/io.h>
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 #include <asm/irq.h>
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-#include <asm/machvec.h>
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 #include <asm/mca.h>
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 #include <asm/page.h>
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-#include <asm/pgalloc.h>
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-#include <asm/pgtable.h>
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 #include <asm/processor.h>
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 #include <asm/ptrace.h>
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 #include <asm/sal.h>
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 #include <asm/tlbflush.h>
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 #include <asm/unistd.h>
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-#include <asm/sn/arch.h>
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 #define SMP_DEBUG 0
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@@ -358,10 +355,6 @@
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 	extern void ia64_init_itm(void);
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 	extern volatile int time_keeper_id;
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-#ifdef CONFIG_PERFMON
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-	extern void pfm_init_percpu(void);
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-#endif
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-
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 	cpuid = smp_processor_id();
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 	phys_id = hard_smp_processor_id();
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 	itc_master = time_keeper_id;
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@@ -391,10 +384,6 @@
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 	smp_setup_percpu_timer();
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 	ia64_mca_cmc_vector_setup();	/* Setup vector on AP */
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-
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-#ifdef CONFIG_PERFMON
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-	pfm_init_percpu();
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-#endif
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 	local_irq_enable();
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@@ -451,7 +440,6 @@
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 #endif
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 	efi_map_pal_code();
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 	cpu_init();
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-	preempt_disable();
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 	smp_callin();
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 	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
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@@ -467,7 +455,7 @@
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 	Dprintk("Sending wakeup vector %lu to AP 0x%x/0x%x.\n", ap_wakeup_vector, cpu, sapicid);
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 	set_brendez_area(cpu);
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-	platform_send_ipi(cpu, ap_wakeup_vector, IA64_IPI_DM_INT, 0);
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+	ia64_send_ipi(cpu, ap_wakeup_vector, IA64_IPI_DM_INT, 0);
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 	/*
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 	 * Wait 10s total for the AP to start
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@@ -655,11 +643,6 @@
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 	if (cpu == 0 && !bsp_remove_ok) {
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 		printk ("Your platform does not support removal of BSP\n");
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 		return (-EBUSY);
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-	}
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-
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-	if (ia64_platform_is("sn2")) {
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-		if (!sn_cpu_disable_allowed(cpu))
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-			return -EBUSY;
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 	}
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 	set_cpu_online(cpu, false);