Merge branch 'x86/uv' into x86/x2apic

[cascardo/linux.git] / arch / x86 / kernel / genx2apic_uv_x.c

diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 3c39293..a8e5cb4 100644 (file)
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -18,6 +18,7 @@
 #include <linux/sched.h>
 #include <linux/bootmem.h>
 #include <linux/module.h>
+#include <linux/hardirq.h>
 #include <asm/smp.h>
 #include <asm/ipi.h>
 #include <asm/genapic.h>
@@ -123,6 +124,10 @@ static int uv_apic_id_registered(void)
        return 1;
 }
 
+static void uv_init_apic_ldr(void)
+{
+}
+
 static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask)
 {
        int cpu;
@@ -138,9 +143,34 @@ static unsigned int uv_cpu_mask_to_apicid(cpumask_t cpumask)
                return BAD_APICID;
 }
 
+static unsigned int get_apic_id(unsigned long x)
+{
+       unsigned int id;
+
+       WARN_ON(preemptible() && num_online_cpus() > 1);
+       id = x | __get_cpu_var(x2apic_extra_bits);
+
+       return id;
+}
+
+static long set_apic_id(unsigned int id)
+{
+       unsigned long x;
+
+       /* maskout x2apic_extra_bits ? */
+       x = id;
+       return x;
+}
+
+static unsigned int uv_read_apic_id(void)
+{
+
+       return get_apic_id(apic_read(APIC_ID));
+}
+
 static unsigned int phys_pkg_id(int index_msb)
 {
-       return GET_APIC_ID(read_apic_id()) >> index_msb;
+       return uv_read_apic_id() >> index_msb;
 }
 
 #ifdef ZZZ             /* Needs x2apic patch */
@@ -157,12 +187,16 @@ struct genapic apic_x2apic_uv_x = {
        .target_cpus = uv_target_cpus,
        .vector_allocation_domain = uv_vector_allocation_domain,/* Fixme ZZZ */
        .apic_id_registered = uv_apic_id_registered,
+       .init_apic_ldr = uv_init_apic_ldr,
        .send_IPI_all = uv_send_IPI_all,
        .send_IPI_allbutself = uv_send_IPI_allbutself,
        .send_IPI_mask = uv_send_IPI_mask,
        /* ZZZ.send_IPI_self = uv_send_IPI_self, */
        .cpu_mask_to_apicid = uv_cpu_mask_to_apicid,
        .phys_pkg_id = phys_pkg_id,     /* Fixme ZZZ */
+       .get_apic_id = get_apic_id,
+       .set_apic_id = set_apic_id,
+       .apic_id_mask = (0xFFFFFFFFu),
 };
 
 static __cpuinit void set_x2apic_extra_bits(int pnode)