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Subject[PATCH 04/79] [PATCH] use start_ipi_hook in x86_64
Date
From: Glauber Costa <gcosta@redhat.com>

It is used to match i386. The definition for the non-paravirt
case is moved to smp.h instead of smp_32.h

Signed-off-by: Glauber Costa <gcosta@redhat.com>
---
arch/x86/kernel/smpboot_64.c | 8 ++++++++
include/asm-x86/smp.h | 3 +++
include/asm-x86/smp_32.h | 4 ----
3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 57ebe6c..13ab112 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -345,6 +345,14 @@ static int __cpuinit wakeup_secondary_via_INIT(int phys_apicid, unsigned int sta
num_starts = 2;

/*
+ * Paravirt / VMI wants a startup IPI hook here to set up the
+ * target processor state.
+ */
+ startup_ipi_hook(phys_apicid, (unsigned long) start_secondary,
+ (unsigned long) init_rsp);
+
+
+ /*
* Run STARTUP IPI loop.
*/
Dprintk("#startup loops: %d.\n", num_starts);
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 513c857..4dc271b 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -33,6 +33,9 @@ struct smp_ops {
extern void set_cpu_sibling_map(int cpu);

#ifdef CONFIG_SMP
+#ifndef CONFIG_PARAVIRT
+#define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0)
+#endif
extern struct smp_ops smp_ops;

static inline void smp_send_stop(void)
diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h
index 4fec2fe..76740de 100644
--- a/include/asm-x86/smp_32.h
+++ b/include/asm-x86/smp_32.h
@@ -30,10 +30,6 @@ DECLARE_PER_CPU(u16, cpu_llc_id);
DECLARE_PER_CPU(u16, x86_cpu_to_apicid);

#ifdef CONFIG_SMP
-#ifndef CONFIG_PARAVIRT
-#define startup_ipi_hook(phys_apicid, start_eip, start_esp) do { } while (0)
-#endif
-
/*
* This function is needed by all SMP systems. It must _always_ be valid
* from the initial startup. We map APIC_BASE very early in page_setup(),
--
1.5.0.6


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