Merge branch 'x86/core' into core/percpu

1 files changed, 28 insertions, 30 deletions

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 612d3c74f6a..9ce666387f3 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -2,7 +2,7 @@
  *	x86 SMP booting functions
  *
  *	(c) 1995 Alan Cox, Building #3 <alan@lxorguk.ukuu.org.uk>
- *	(c) 1998, 1999, 2000 Ingo Molnar <mingo@redhat.com>
+ *	(c) 1998, 1999, 2000, 2009 Ingo Molnar <mingo@redhat.com>
  *	Copyright 2001 Andi Kleen, SuSE Labs.
  *
  *	Much of the core SMP work is based on previous work by Thomas Radke, to
@@ -60,14 +60,12 @@
 #include <asm/tlbflush.h>
 #include <asm/mtrr.h>
 #include <asm/vmi.h>
-#include <asm/genapic.h>
+#include <asm/apic.h>
 #include <asm/setup.h>
 #include <asm/uv/uv.h>
 #include <linux/mc146818rtc.h>
 
-#include <mach_apic.h>
-#include <mach_wakecpu.h>
-#include <smpboot_hooks.h>
+#include <asm/smpboot_hooks.h>
 
 #ifdef CONFIG_X86_32
 u8 apicid_2_node[MAX_APICID];
@@ -163,7 +161,7 @@ static void map_cpu_to_logical_apicid(void)
 {
 	int cpu = smp_processor_id();
 	int apicid = logical_smp_processor_id();
-	int node = apicid_to_node(apicid);
+	int node = apic->apicid_to_node(apicid);
 
 	if (!node_online(node))
 		node = first_online_node;
@@ -196,7 +194,8 @@ static void __cpuinit smp_callin(void)
 	 * our local APIC.  We have to wait for the IPI or we'll
 	 * lock up on an APIC access.
 	 */
-	wait_for_init_deassert(&init_deasserted);
+	if (apic->wait_for_init_deassert)
+		apic->wait_for_init_deassert(&init_deasserted);
 
 	/*
 	 * (This works even if the APIC is not enabled.)
@@ -243,7 +242,8 @@ static void __cpuinit smp_callin(void)
 	 */
 
 	pr_debug("CALLIN, before setup_local_APIC().\n");
-	smp_callin_clear_local_apic();
+	if (apic->smp_callin_clear_local_apic)
+		apic->smp_callin_clear_local_apic();
 	setup_local_APIC();
 	end_local_APIC_setup();
 	map_cpu_to_logical_apicid();
@@ -583,7 +583,7 @@ wakeup_secondary_cpu_via_nmi(int logical_apicid, unsigned long start_eip)
 	/* Target chip */
 	/* Boot on the stack */
 	/* Kick the second */
-	apic_icr_write(APIC_DM_NMI | APIC_DEST_LOGICAL, logical_apicid);
+	apic_icr_write(APIC_DM_NMI | apic->dest_logical, logical_apicid);
 
 	pr_debug("Waiting for send to finish...\n");
 	send_status = safe_apic_wait_icr_idle();
@@ -745,21 +745,21 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
 	complete(&c_idle->done);
 }
 
-static int __cpuinit do_boot_cpu(int apicid, int cpu)
 /*
  * NOTE - on most systems this is a PHYSICAL apic ID, but on multiquad
  * (ie clustered apic addressing mode), this is a LOGICAL apic ID.
- * Returns zero if CPU booted OK, else error code from wakeup_secondary_cpu.
+ * Returns zero if CPU booted OK, else error code from ->wakeup_cpu.
  */
+static int __cpuinit do_boot_cpu(int apicid, int cpu)
 {
 	unsigned long boot_error = 0;
-	int timeout;
 	unsigned long start_ip;
-	unsigned short nmi_high = 0, nmi_low = 0;
+	int timeout;
 	struct create_idle c_idle = {
-		.cpu = cpu,
-		.done = COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
+		.cpu	= cpu,
+		.done	= COMPLETION_INITIALIZER_ONSTACK(c_idle.done),
 	};
+
 	INIT_WORK(&c_idle.work, do_fork_idle);
 
 	alternatives_smp_switch(1);
@@ -824,8 +824,6 @@ do_rest:
 
 		pr_debug("Setting warm reset code and vector.\n");
 
-		store_NMI_vector(&nmi_high, &nmi_low);
-
 		smpboot_setup_warm_reset_vector(start_ip);
 		/*
 		 * Be paranoid about clearing APIC errors.
@@ -839,7 +837,7 @@ do_rest:
 	/*
 	 * Starting actual IPI sequence...
 	 */
-	boot_error = wakeup_secondary_cpu(apicid, start_ip);
+	boot_error = apic->wakeup_cpu(apicid, start_ip);
 
 	if (!boot_error) {
 		/*
@@ -873,8 +871,8 @@ do_rest:
 			else
 				/* trampoline code not run */
 				printk(KERN_ERR "Not responding.\n");
-			if (get_uv_system_type() != UV_NON_UNIQUE_APIC)
-				inquire_remote_apic(apicid);
+			if (apic->inquire_remote_apic)
+				apic->inquire_remote_apic(apicid);
 		}
 	}
 
@@ -905,7 +903,7 @@ do_rest:
 
 int __cpuinit native_cpu_up(unsigned int cpu)
 {
-	int apicid = cpu_present_to_apicid(cpu);
+	int apicid = apic->cpu_present_to_apicid(cpu);
 	unsigned long flags;
 	int err;
 
@@ -998,14 +996,14 @@ static int __init smp_sanity_check(unsigned max_cpus)
 {
 	preempt_disable();
 
-#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+#if !defined(CONFIG_X86_BIGSMP) && defined(CONFIG_X86_32)
 	if (def_to_bigsmp && nr_cpu_ids > 8) {
 		unsigned int cpu;
 		unsigned nr;
 
 		printk(KERN_WARNING
 		       "More than 8 CPUs detected - skipping them.\n"
-		       "Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP.\n");
+		       "Use CONFIG_X86_BIGSMP.\n");
 
 		nr = 0;
 		for_each_present_cpu(cpu) {
@@ -1051,7 +1049,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
 	 * Should not be necessary because the MP table should list the boot
 	 * CPU too, but we do it for the sake of robustness anyway.
 	 */
-	if (!check_phys_apicid_present(boot_cpu_physical_apicid)) {
+	if (!apic->check_phys_apicid_present(boot_cpu_physical_apicid)) {
 		printk(KERN_NOTICE
 			"weird, boot CPU (#%d) not listed by the BIOS.\n",
 			boot_cpu_physical_apicid);
@@ -1069,7 +1067,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
 		printk(KERN_ERR "... forcing use of dummy APIC emulation."
 				"(tell your hw vendor)\n");
 		smpboot_clear_io_apic();
-		disable_ioapic_setup();
+		arch_disable_smp_support();
 		return -1;
 	}
 
@@ -1126,9 +1124,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
 	current_thread_info()->cpu = 0;  /* needed? */
 	set_cpu_sibling_map(0);
 
-#ifdef CONFIG_X86_64
 	enable_IR_x2apic();
-	setup_apic_routing();
+#ifdef CONFIG_X86_64
+	default_setup_apic_routing();
 #endif
 
 	if (smp_sanity_check(max_cpus) < 0) {
@@ -1152,18 +1150,18 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
 	 */
 	setup_local_APIC();
 
-#ifdef CONFIG_X86_64
 	/*
 	 * Enable IO APIC before setting up error vector
 	 */
 	if (!skip_ioapic_setup && nr_ioapics)
 		enable_IO_APIC();
-#endif
+
 	end_local_APIC_setup();
 
 	map_cpu_to_logical_apicid();
 
-	setup_portio_remap();
+	if (apic->setup_portio_remap)
+		apic->setup_portio_remap();
 
 	smpboot_setup_io_apic();
 	/*