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Diffstat (limited to 'arch/x86/kernel/genx2apic_uv_x.c')
-rw-r--r--arch/x86/kernel/genx2apic_uv_x.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 3c3929340692..a8e5cb4c4d43 100644
--- 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)