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@kernel.org>
Cc: Ravikiran Thirumalai <kiran@scalex86.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 860504178e94bf9fb2b52897c7c950e01612e17f..24e21273e30b355e7b6f13d127276f8e062c7a54 100644 (file)
--- 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 126877e502e4277a5e59ca414d525141a500e6d9..05c6f6b11fd5d25354ddcd7d3d07cf7cf7bf3fe5 100644 (file)
--- 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 de5657c039e90c99d6fc52e12f8e32e737744ed7..95f216bbfaf16f6b8572c40c4cdfa756758f6be5 100644 (file)
--- 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 2280d93c5b90614df82603735e4044c2840a67f9..4c54bc0d8ff3cc632f10a2639628dbf0592f7715 100644 (file)
--- 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 c609205df594ba54dac5b6c0823bd3a34f486725..74de562812ccc0e3e4886c18d945d669d282c48c 100644 (file)
--- 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)
 {