x86, smp: remove mach_ipi.h

Move mach_ipi.h definitions into genapic.h. Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Jan 29, 2009 · d53e2f2 · d53e2f2
1 parent 9f4187f
commit d53e2f2
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Showing 17 changed files with 68 additions and 96 deletions.
diff --git a/arch/x86/include/asm/genapic.h b/arch/x86/include/asm/genapic.h
@@ -259,4 +259,5 @@ static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid)
 }
 
 #endif /* CONFIG_X86_LOCAL_APIC */
+
 #endif /* _ASM_X86_GENAPIC_64_H */
diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h
@@ -1,6 +1,8 @@
 #ifndef _ASM_X86_IPI_H
 #define _ASM_X86_IPI_H
 
+#ifdef CONFIG_X86_LOCAL_APIC
+
 /*
  * Copyright 2004 James Cleverdon, IBM.
  * Subject to the GNU Public License, v.2
@@ -56,8 +58,7 @@ static inline void __xapic_wait_icr_idle(void)
 }
 
 static inline void
-__default_send_IPI_shortcut(unsigned int shortcut,
-			    int vector, unsigned int dest)
+__default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest)
 {
 	/*
 	 * Subtle. In the case of the 'never do double writes' workaround
@@ -156,4 +157,60 @@ default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
 	local_irq_restore(flags);
 }
 
+
+/* Avoid include hell */
+#define NMI_VECTOR 0x02
+
+void default_send_IPI_mask_bitmask(const struct cpumask *mask, int vector);
+void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+
+extern int no_broadcast;
+
+#ifdef CONFIG_X86_64
+#include <asm/genapic.h>
+#else
+static inline void default_send_IPI_mask(const struct cpumask *mask, int vector)
+{
+	default_send_IPI_mask_bitmask(mask, vector);
+}
+void default_send_IPI_mask_allbutself(const struct cpumask *mask, int vector);
+#endif
+
+static inline void __default_local_send_IPI_allbutself(int vector)
+{
+	if (no_broadcast || vector == NMI_VECTOR)
+		apic->send_IPI_mask_allbutself(cpu_online_mask, vector);
+	else
+		__default_send_IPI_shortcut(APIC_DEST_ALLBUT, vector, apic->dest_logical);
+}
+
+static inline void __default_local_send_IPI_all(int vector)
+{
+	if (no_broadcast || vector == NMI_VECTOR)
+		apic->send_IPI_mask(cpu_online_mask, vector);
+	else
+		__default_send_IPI_shortcut(APIC_DEST_ALLINC, vector, apic->dest_logical);
+}
+
+#ifdef CONFIG_X86_32
+static inline void default_send_IPI_allbutself(int vector)
+{
+	/*
+	 * if there are no other CPUs in the system then we get an APIC send 
+	 * error if we try to broadcast, thus avoid sending IPIs in this case.
+	 */
+	if (!(num_online_cpus() > 1))
+		return;
+
+	__default_local_send_IPI_allbutself(vector);
+}
+
+static inline void default_send_IPI_all(int vector)
+{
+	__default_local_send_IPI_all(vector);
+}
+#endif
+
+#endif
+
 #endif /* _ASM_X86_IPI_H */
diff --git a/arch/x86/include/asm/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h
diff --git a/arch/x86/include/asm/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h
diff --git a/arch/x86/include/asm/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h
diff --git a/arch/x86/include/asm/mach-generic/mach_wakecpu.h b/arch/x86/include/asm/mach-generic/mach_wakecpu.h
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
@@ -49,7 +49,7 @@
 #include <asm/i8259.h>
 #include <asm/smp.h>
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 /*
  * Sanity check

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
@@ -28,7 +28,7 @@
 #include <asm/reboot.h>
 #include <asm/virtext.h>
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)

diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
@@ -62,7 +62,6 @@
 #include <asm/uv/uv_hub.h>
 #include <asm/uv/uv_irq.h>
 
-#include <mach_ipi.h>
 #include <asm/genapic.h>
 
 #define __apicdebuginit(type) static type __init

diff --git a/arch/x86/kernel/ipi.c b/arch/x86/kernel/ipi.c
@@ -20,7 +20,6 @@
 
 #ifdef CONFIG_X86_32
 #include <asm/genapic.h>
-#include <mach_ipi.h>
 
 /*
  * the following functions deal with sending IPIs between CPUs.

diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
@@ -46,7 +46,7 @@
 #include <asm/apicdef.h>
 #include <asm/system.h>
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 /*
  * Put the error code here just in case the user cares:

diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
@@ -24,7 +24,7 @@
 # include <asm/iommu.h>
 #endif
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 /*
  * Power off function, if any

diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
@@ -26,7 +26,6 @@
 #include <asm/tlbflush.h>
 #include <asm/mmu_context.h>
 #include <asm/proto.h>
-#include <mach_ipi.h>
 #include <asm/genapic.h>
 /*
  *	Some notes on x86 processor bugs affecting SMP operation:

diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
@@ -32,7 +32,7 @@
 #include <asm/e820.h>
 #include <asm/io.h>
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 #include <asm/genapic.h>
 

diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
@@ -10,7 +10,7 @@
 #include <asm/e820.h>
 #include <asm/setup.h>
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 
 #ifdef CONFIG_HOTPLUG_CPU
 #define DEFAULT_SEND_IPI	(1)

diff --git a/arch/x86/mach-generic/default.c b/arch/x86/mach-generic/default.c
@@ -13,7 +13,7 @@
 #include <linux/smp.h>
 #include <linux/init.h>
 #include <asm/genapic.h>
-#include <asm/mach-default/mach_ipi.h>
+#include <asm/ipi.h>
 
 static void default_vector_allocation_domain(int cpu, struct cpumask *retmask)
 {

diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
@@ -14,7 +14,7 @@
 DEFINE_PER_CPU_SHARED_ALIGNED(struct tlb_state, cpu_tlbstate)
 			= { &init_mm, 0, };
 
-#include <mach_ipi.h>
+#include <asm/genapic.h>
 /*
  *	Smarter SMP flushing macros.
  *		c/o Linus Torvalds.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -259,4 +259,5 @@ static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid)
		}

		#endif /* CONFIG_X86_LOCAL_APIC */

		#endif /* _ASM_X86_GENAPIC_64_H */