enable tun/tap/iptables

hc

2024-05-10 ee930fffee469d076998274a2ca55e13dc1efb67

 kernel/arch/x86/kernel/apic/probe_32.c
..
..
@@ -1,56 +1,20 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Default generic APIC driver. This handles up to 8 CPUs.
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  *
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  * Copyright 2003 Andi Kleen, SuSE Labs.
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- * Subject to the GNU Public License, v.2
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  *
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  * Generic x86 APIC driver probe layer.
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  */
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-#include <linux/threads.h>
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-#include <linux/cpumask.h>
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 #include <linux/export.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/init.h>
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 #include <linux/errno.h>
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-#include <asm/fixmap.h>
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-#include <asm/mpspec.h>
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-#include <asm/apicdef.h>
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-#include <asm/apic.h>
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-#include <asm/setup.h>
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-
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 #include <linux/smp.h>
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-#include <asm/ipi.h>
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-#include <linux/interrupt.h>
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+#include <asm/io_apic.h>
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+#include <asm/apic.h>
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 #include <asm/acpi.h>
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-#include <asm/e820/api.h>
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-#ifdef CONFIG_HOTPLUG_CPU
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-#define DEFAULT_SEND_IPI	(1)
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-#else
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-#define DEFAULT_SEND_IPI	(0)
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-#endif
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-
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-int no_broadcast = DEFAULT_SEND_IPI;
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-
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-static __init int no_ipi_broadcast(char *str)
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-{
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-	get_option(&str, &no_broadcast);
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-	pr_info("Using %s mode\n",
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-		no_broadcast ? "No IPI Broadcast" : "IPI Broadcast");
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-	return 1;
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-}
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-__setup("no_ipi_broadcast=", no_ipi_broadcast);
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-
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-static int __init print_ipi_mode(void)
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-{
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-	pr_info("Using IPI %s mode\n",
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-		no_broadcast ? "No-Shortcut" : "Shortcut");
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-	return 0;
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-}
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-late_initcall(print_ipi_mode);
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+#include "local.h"
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18
 
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 static int default_x86_32_early_logical_apicid(int cpu)
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 {
..
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@@ -184,7 +148,9 @@
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 				def_to_bigsmp = 0;
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 				break;
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 			}
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-			/* If P4 and above fall through */
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+			/* P4 and above */
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+			fallthrough;
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+		case X86_VENDOR_HYGON:
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 		case X86_VENDOR_AMD:
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 			def_to_bigsmp = 1;
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 		}
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@@ -204,9 +170,6 @@
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 	if (apic->setup_apic_routing)
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 		apic->setup_apic_routing();
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-
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-	if (x86_platform.apic_post_init)
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-		x86_platform.apic_post_init();
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 }
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 void __init generic_apic_probe(void)