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authorJeremy Fitzhardinge <jeremy@goop.org>2008-07-08 15:06:41 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-16 10:57:59 +0200
commita9e7062d7339f1a1df2b6d7e5d595c7d55b56bfb (patch)
tree34243fea71942ac2622cbd550b3d985ae0c89bb6 /arch/x86/xen
parentce87b3d326de733c72b47662f106ee6cd699a20f (diff)
xen: move smp setup into smp.c
Move all the smp_ops setup into smp.c, allowing a lot of things to become static. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/xen')
-rw-r--r--arch/x86/xen/enlighten.c19
-rw-r--r--arch/x86/xen/smp.c34
-rw-r--r--arch/x86/xen/xen-ops.h13
3 files changed, 32 insertions, 34 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index ada2e1a141d..a85f447b8d0 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1237,21 +1237,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
.set_fixmap = xen_set_fixmap,
};
-#ifdef CONFIG_SMP
-static const struct smp_ops xen_smp_ops __initdata = {
- .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu,
- .smp_prepare_cpus = xen_smp_prepare_cpus,
- .cpu_up = xen_cpu_up,
- .smp_cpus_done = xen_smp_cpus_done,
-
- .smp_send_stop = xen_smp_send_stop,
- .smp_send_reschedule = xen_smp_send_reschedule,
-
- .send_call_func_ipi = xen_smp_send_call_function_ipi,
- .send_call_func_single_ipi = xen_smp_send_call_function_single_ipi,
-};
-#endif /* CONFIG_SMP */
-
static void xen_reboot(int reason)
{
struct sched_shutdown r = { .reason = reason };
@@ -1340,9 +1325,7 @@ asmlinkage void __init xen_start_kernel(void)
have_vcpu_info_placement = 0;
#endif
-#ifdef CONFIG_SMP
- smp_ops = xen_smp_ops;
-#endif
+ xen_smp_init();
/* Get mfn list */
if (!xen_feature(XENFEAT_auto_translated_physmap))
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 233156f39b7..91fae8ff756 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -152,7 +152,7 @@ void __init xen_fill_possible_map(void)
}
}
-void __init xen_smp_prepare_boot_cpu(void)
+static void __init xen_smp_prepare_boot_cpu(void)
{
int cpu;
@@ -176,7 +176,7 @@ void __init xen_smp_prepare_boot_cpu(void)
xen_setup_vcpu_info_placement();
}
-void __init xen_smp_prepare_cpus(unsigned int max_cpus)
+static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
{
unsigned cpu;
@@ -276,7 +276,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
return 0;
}
-int __cpuinit xen_cpu_up(unsigned int cpu)
+static int __cpuinit xen_cpu_up(unsigned int cpu)
{
struct task_struct *idle = idle_task(cpu);
int rc;
@@ -319,7 +319,7 @@ int __cpuinit xen_cpu_up(unsigned int cpu)
return 0;
}
-void xen_smp_cpus_done(unsigned int max_cpus)
+static void xen_smp_cpus_done(unsigned int max_cpus)
{
}
@@ -335,12 +335,12 @@ static void stop_self(void *v)
BUG();
}
-void xen_smp_send_stop(void)
+static void xen_smp_send_stop(void)
{
smp_call_function(stop_self, NULL, 0);
}
-void xen_smp_send_reschedule(int cpu)
+static void xen_smp_send_reschedule(int cpu)
{
xen_send_IPI_one(cpu, XEN_RESCHEDULE_VECTOR);
}
@@ -355,7 +355,7 @@ static void xen_send_IPI_mask(cpumask_t mask, enum ipi_vector vector)
xen_send_IPI_one(cpu, vector);
}
-void xen_smp_send_call_function_ipi(cpumask_t mask)
+static void xen_smp_send_call_function_ipi(cpumask_t mask)
{
int cpu;
@@ -370,7 +370,7 @@ void xen_smp_send_call_function_ipi(cpumask_t mask)
}
}
-void xen_smp_send_call_function_single_ipi(int cpu)
+static void xen_smp_send_call_function_single_ipi(int cpu)
{
xen_send_IPI_mask(cpumask_of_cpu(cpu), XEN_CALL_FUNCTION_SINGLE_VECTOR);
}
@@ -394,3 +394,21 @@ static irqreturn_t xen_call_function_single_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
+
+static const struct smp_ops xen_smp_ops __initdata = {
+ .smp_prepare_boot_cpu = xen_smp_prepare_boot_cpu,
+ .smp_prepare_cpus = xen_smp_prepare_cpus,
+ .cpu_up = xen_cpu_up,
+ .smp_cpus_done = xen_smp_cpus_done,
+
+ .smp_send_stop = xen_smp_send_stop,
+ .smp_send_reschedule = xen_smp_send_reschedule,
+
+ .send_call_func_ipi = xen_smp_send_call_function_ipi,
+ .send_call_func_single_ipi = xen_smp_send_call_function_single_ipi,
+};
+
+void __init xen_smp_init(void)
+{
+ smp_ops = xen_smp_ops;
+}
diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h
index 77354d20425..81a779fc9b2 100644
--- a/arch/x86/xen/xen-ops.h
+++ b/arch/x86/xen/xen-ops.h
@@ -47,17 +47,14 @@ void xen_mark_init_mm_pinned(void);
void __init xen_fill_possible_map(void);
void __init xen_setup_vcpu_info_placement(void);
-void xen_smp_prepare_boot_cpu(void);
-void xen_smp_prepare_cpus(unsigned int max_cpus);
-int xen_cpu_up(unsigned int cpu);
-void xen_smp_cpus_done(unsigned int max_cpus);
-void xen_smp_send_stop(void);
-void xen_smp_send_reschedule(int cpu);
-void xen_smp_send_call_function_ipi(cpumask_t mask);
-void xen_smp_send_call_function_single_ipi(int cpu);
+#ifdef CONFIG_SMP
+void xen_smp_init(void);
extern cpumask_t xen_cpu_initialized_map;
+#else
+static inline void xen_smp_init(void) {}
+#endif
/* Declare an asm function, along with symbols needed to make it