]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/x86/kernel/smpboot.c
x64, x2apic/intr-remap: basic apic ops support
[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / smpboot.c
index f35c2d8016ac412c1c0433bf4382829c1d2cef31..c55263b3df02633f40f33f6b18653848a15b9207 100644 (file)
@@ -123,7 +123,6 @@ EXPORT_PER_CPU_SYMBOL(cpu_info);
 
 static atomic_t init_deasserted;
 
-static int boot_cpu_logical_apicid;
 
 /* representing cpus for which sibling maps can be computed */
 static cpumask_t cpu_sibling_setup_map;
@@ -165,6 +164,8 @@ static void unmap_cpu_to_node(int cpu)
 #endif
 
 #ifdef CONFIG_X86_32
+static int boot_cpu_logical_apicid;
+
 u8 cpu_2_logical_apicid[NR_CPUS] __read_mostly =
                                        { [0 ... NR_CPUS-1] = BAD_APICID };
 
@@ -546,8 +547,7 @@ static inline void __inquire_remote_apic(int apicid)
                        printk(KERN_CONT
                               "a previous APIC delivery may have failed\n");
 
-               apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(apicid));
-               apic_write_around(APIC_ICR, APIC_DM_REMRD | regs[i]);
+               apic_icr_write(APIC_DM_REMRD | regs[i], apicid);
 
                timeout = 0;
                do {
@@ -579,11 +579,9 @@ wakeup_secondary_cpu(int logical_apicid, unsigned long start_eip)
        int maxlvt;
 
        /* Target chip */
-       apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(logical_apicid));
-
        /* Boot on the stack */
        /* Kick the second */
-       apic_write_around(APIC_ICR, APIC_DM_NMI | APIC_DEST_LOGICAL);
+       apic_icr_write(APIC_DM_NMI | APIC_DEST_LOGICAL, logical_apicid);
 
        Dprintk("Waiting for send to finish...\n");
        send_status = safe_apic_wait_icr_idle();
@@ -639,13 +637,11 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
        /*
         * Turn INIT on target chip
         */
-       apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
-
        /*
         * Send IPI
         */
-       apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_INT_ASSERT
-                               | APIC_DM_INIT);
+       apic_icr_write(APIC_INT_LEVELTRIG | APIC_INT_ASSERT | APIC_DM_INIT,
+                      phys_apicid);
 
        Dprintk("Waiting for send to finish...\n");
        send_status = safe_apic_wait_icr_idle();
@@ -655,10 +651,8 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
        Dprintk("Deasserting INIT.\n");
 
        /* Target chip */
-       apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
-
        /* Send IPI */
-       apic_write_around(APIC_ICR, APIC_INT_LEVELTRIG | APIC_DM_INIT);
+       apic_icr_write(APIC_INT_LEVELTRIG | APIC_DM_INIT, phys_apicid);
 
        Dprintk("Waiting for send to finish...\n");
        send_status = safe_apic_wait_icr_idle();
@@ -703,12 +697,10 @@ wakeup_secondary_cpu(int phys_apicid, unsigned long start_eip)
                 */
 
                /* Target chip */
-               apic_write_around(APIC_ICR2, SET_APIC_DEST_FIELD(phys_apicid));
-
                /* Boot on the stack */
                /* Kick the second */
-               apic_write_around(APIC_ICR, APIC_DM_STARTUP
-                                       | (start_eip >> 12));
+               apic_icr_write(APIC_DM_STARTUP | (start_eip >> 12),
+                              phys_apicid);
 
                /*
                 * Give the other CPU some time to accept the IPI.
@@ -1147,7 +1139,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
         * Setup boot CPU information
         */
        smp_store_cpu_info(0); /* Final full version of the data */
+#ifdef CONFIG_X86_32
        boot_cpu_logical_apicid = logical_smp_processor_id();
+#endif
        current_thread_info()->cpu = 0;  /* needed? */
        set_cpu_sibling_map(0);