Merge branch 'generic-ipi' into generic-ipi-for-linus
Conflicts:
arch/powerpc/Kconfig
arch/s390/kernel/time.c
arch/x86/kernel/apic_32.c
arch/x86/kernel/cpu/perfctr-watchdog.c
arch/x86/kernel/i8259_64.c
arch/x86/kernel/ldt.c
arch/x86/kernel/nmi_64.c
arch/x86/kernel/smpboot.c
arch/x86/xen/smp.c
include/asm-x86/hw_irq_32.h
include/asm-x86/hw_irq_64.h
include/asm-x86/mach-default/irq_vectors.h
include/asm-x86/mach-voyager/irq_vectors.h
include/asm-x86/smp.h
kernel/Makefile
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index 18f067c..77ba51d 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -48,6 +48,7 @@
extern void threshold_interrupt(void);
extern void call_function_interrupt(void);
+extern void call_function_single_interrupt(void);
/* PIC specific functions */
extern void disable_8259A_irq(unsigned int irq);
diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index 0ac864e..90b1d1f 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -64,6 +64,7 @@
# define INVALIDATE_TLB_VECTOR 0xfd
# define RESCHEDULE_VECTOR 0xfc
# define CALL_FUNCTION_VECTOR 0xfb
+# define CALL_FUNCTION_SINGLE_VECTOR 0xfa
# define THERMAL_APIC_VECTOR 0xf0
#else
@@ -72,6 +73,7 @@
#define ERROR_APIC_VECTOR 0xfe
#define RESCHEDULE_VECTOR 0xfd
#define CALL_FUNCTION_VECTOR 0xfc
+#define CALL_FUNCTION_SINGLE_VECTOR 0xfb
#define THERMAL_APIC_VECTOR 0xfa
#define THRESHOLD_APIC_VECTOR 0xf9
#define INVALIDATE_TLB_VECTOR_END 0xf7
@@ -143,6 +145,7 @@
#define VIC_RESCHEDULE_CPI 4
#define VIC_ENABLE_IRQ_CPI 5
#define VIC_CALL_FUNCTION_CPI 6
+#define VIC_CALL_FUNCTION_SINGLE_CPI 7
/* Now the QIC CPIs: Since we don't need the two initial levels,
* these are 2 less than the VIC CPIs */
@@ -152,9 +155,10 @@
#define QIC_RESCHEDULE_CPI (VIC_RESCHEDULE_CPI - QIC_CPI_OFFSET)
#define QIC_ENABLE_IRQ_CPI (VIC_ENABLE_IRQ_CPI - QIC_CPI_OFFSET)
#define QIC_CALL_FUNCTION_CPI (VIC_CALL_FUNCTION_CPI - QIC_CPI_OFFSET)
+#define QIC_CALL_FUNCTION_SINGLE_CPI (VIC_CALL_FUNCTION_SINGLE_CPI - QIC_CPI_OFFSET)
#define VIC_START_FAKE_CPI VIC_TIMER_CPI
-#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_CPI
+#define VIC_END_FAKE_CPI VIC_CALL_FUNCTION_SINGLE_CPI
/* this is the SYS_INT CPI. */
#define VIC_SYS_INT 8
diff --git a/include/asm-x86/mach-default/entry_arch.h b/include/asm-x86/mach-default/entry_arch.h
index bc86146..9283b60 100644
--- a/include/asm-x86/mach-default/entry_arch.h
+++ b/include/asm-x86/mach-default/entry_arch.h
@@ -13,6 +13,7 @@
BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
+BUILD_INTERRUPT(call_function_single_interrupt,CALL_FUNCTION_SINGLE_VECTOR)
#endif
/*
diff --git a/include/asm-x86/mach-visws/entry_arch.h b/include/asm-x86/mach-visws/entry_arch.h
index b183fa6..86be554 100644
--- a/include/asm-x86/mach-visws/entry_arch.h
+++ b/include/asm-x86/mach-visws/entry_arch.h
@@ -1,23 +1,5 @@
/*
- * The following vectors are part of the Linux architecture, there
- * is no hardware IRQ pin equivalent for them, they are triggered
- * through the ICC by us (IPIs)
+ * VISWS uses the standard Linux entry points:
*/
-#ifdef CONFIG_X86_SMP
-BUILD_INTERRUPT(reschedule_interrupt,RESCHEDULE_VECTOR)
-BUILD_INTERRUPT(invalidate_interrupt,INVALIDATE_TLB_VECTOR)
-BUILD_INTERRUPT(call_function_interrupt,CALL_FUNCTION_VECTOR)
-#endif
-/*
- * every pentium local APIC has two 'local interrupts', with a
- * soft-definable vector attached to both interrupts, one of
- * which is a timer interrupt, the other one is error counter
- * overflow. Linux uses the local APIC timer interrupt to get
- * a much simpler SMP time architecture:
- */
-#ifdef CONFIG_X86_LOCAL_APIC
-BUILD_INTERRUPT(apic_timer_interrupt,LOCAL_TIMER_VECTOR)
-BUILD_INTERRUPT(error_interrupt,ERROR_APIC_VECTOR)
-BUILD_INTERRUPT(spurious_interrupt,SPURIOUS_APIC_VECTOR)
-#endif
+#include "../mach-default/entry_arch.h"
diff --git a/include/asm-x86/mach-voyager/entry_arch.h b/include/asm-x86/mach-voyager/entry_arch.h
index 4a1e1e8..ae52624 100644
--- a/include/asm-x86/mach-voyager/entry_arch.h
+++ b/include/asm-x86/mach-voyager/entry_arch.h
@@ -23,4 +23,4 @@
BUILD_INTERRUPT(qic_reschedule_interrupt, QIC_RESCHEDULE_CPI);
BUILD_INTERRUPT(qic_enable_irq_interrupt, QIC_ENABLE_IRQ_CPI);
BUILD_INTERRUPT(qic_call_function_interrupt, QIC_CALL_FUNCTION_CPI);
-
+BUILD_INTERRUPT(qic_call_function_single_interrupt, QIC_CALL_FUNCTION_SINGLE_CPI);
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 2e221f1..c2784b3 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -50,9 +50,9 @@
void (*smp_send_stop)(void);
void (*smp_send_reschedule)(int cpu);
- int (*smp_call_function_mask)(cpumask_t mask,
- void (*func)(void *info), void *info,
- int wait);
+
+ void (*send_call_func_ipi)(cpumask_t mask);
+ void (*send_call_func_single_ipi)(int cpu);
};
/* Globals due to paravirt */
@@ -94,17 +94,22 @@
smp_ops.smp_send_reschedule(cpu);
}
-static inline int smp_call_function_mask(cpumask_t mask,
- void (*func) (void *info), void *info,
- int wait)
+static inline void arch_send_call_function_single_ipi(int cpu)
{
- return smp_ops.smp_call_function_mask(mask, func, info, wait);
+ smp_ops.send_call_func_single_ipi(cpu);
+}
+
+static inline void arch_send_call_function_ipi(cpumask_t mask)
+{
+ smp_ops.send_call_func_ipi(mask);
}
void native_smp_prepare_boot_cpu(void);
void native_smp_prepare_cpus(unsigned int max_cpus);
void native_smp_cpus_done(unsigned int max_cpus);
int native_cpu_up(unsigned int cpunum);
+void native_send_call_func_ipi(cpumask_t mask);
+void native_send_call_func_single_ipi(int cpu);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
@@ -197,7 +202,5 @@
extern void cpu_uninit(void);
#endif
-extern void lock_ipi_call_lock(void);
-extern void unlock_ipi_call_lock(void);
#endif /* __ASSEMBLY__ */
#endif
diff --git a/include/asm-x86/xen/events.h b/include/asm-x86/xen/events.h
index 596312a..f8d57ea 100644
--- a/include/asm-x86/xen/events.h
+++ b/include/asm-x86/xen/events.h
@@ -4,6 +4,7 @@
enum ipi_vector {
XEN_RESCHEDULE_VECTOR,
XEN_CALL_FUNCTION_VECTOR,
+ XEN_CALL_FUNCTION_SINGLE_VECTOR,
XEN_NR_IPIS,
};