Author: Yinghai Lu <yinghai@xxxxxxxxxx>
AuthorDate: Wed, 25 Feb 2009 21:20:50 -0800
Commit: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 26 Feb 2009 06:40:06 +0100
x86: don't compile vsmp_64 for 32bit
Impact: cleanup
that is only needed when CONFIG_X86_VSMP is defined with 64bit
also remove dead code about PCI, because CONFIG_X86_VSMP depends on PCI
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
Cc: Ravikiran Thirumalai <kiran@xxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
arch/x86/include/asm/apic.h | 7 +++++++
arch/x86/include/asm/setup.h | 4 ++++
arch/x86/kernel/Makefile | 2 +-
arch/x86/kernel/setup.c | 2 --
arch/x86/kernel/vsmp_64.c | 12 +-----------
5 files changed, 13 insertions(+), 14 deletions(-)
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 8605041..24e2127 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -75,7 +75,14 @@ static inline void default_inquire_remote_apic(int apicid)
#define setup_secondary_clock setup_secondary_APIC_clock
#endif
+#ifdef CONFIG_X86_VSMP
extern int is_vsmp_box(void);
+#else
+static inline int is_vsmp_box(void)
+{
+ return 0;
+}
+#endif
extern void xapic_wait_icr_idle(void);
extern u32 safe_xapic_wait_icr_idle(void);
extern void xapic_icr_write(u32, u32);
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 126877e..05c6f6b 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -64,7 +64,11 @@ extern void x86_quirk_time_init(void);
#include <asm/bootparam.h>
/* Interrupt control for vSMPowered x86_64 systems */
+#ifdef CONFIG_X86_VSMP
void vsmp_init(void);
+#else
+static inline void vsmp_init(void) { }
+#endif
void setup_bios_corruption_check(void);
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index de5657c..95f216b 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -70,7 +70,7 @@ obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
-obj-y += vsmp_64.o
+obj-$(CONFIG_X86_VSMP) += vsmp_64.o
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_MODULES) += module_$(BITS).o
obj-$(CONFIG_EFI) += efi.o efi_$(BITS).o efi_stub_$(BITS).o
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 2280d93..4c54bc0 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -863,9 +863,7 @@ void __init setup_arch(char **cmdline_p)
reserve_initrd();
-#ifdef CONFIG_X86_64
vsmp_init();
-#endif
io_delay_init();
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index c609205..74de562 100644
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -22,7 +22,7 @@
#include <asm/paravirt.h>
#include <asm/setup.h>
-#if defined CONFIG_PCI && defined CONFIG_PARAVIRT
+#ifdef CONFIG_PARAVIRT
/*
* Interrupt control on vSMPowered systems:
* ~AC is a shadow of IF. If IF is 'on' AC should be 'off'
@@ -114,7 +114,6 @@ static void __init set_vsmp_pv_ops(void)
}
#endif
-#ifdef CONFIG_PCI
static int is_vsmp = -1;
static void __init detect_vsmp_box(void)
@@ -139,15 +138,6 @@ int is_vsmp_box(void)
return 0;
}
}
-#else
-static void __init detect_vsmp_box(void)
-{
-}
-int is_vsmp_box(void)
-{
- return 0;
-}
-#endif
void __init vsmp_init(void)
{
--
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