[patch 19/26] x64, x2apic/intr-remap: introcude self IPI to genapic routines

From: Suresh Siddha
Date: Thu Jul 10 2008 - 14:44:27 EST


Introduce self IPI op for genapic.

Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>
---

Index: tree-x86/arch/x86/kernel/genapic_64.c
===================================================================
--- tree-x86.orig/arch/x86/kernel/genapic_64.c 2008-07-10 09:52:12.000000000 -0700
+++ tree-x86/arch/x86/kernel/genapic_64.c 2008-07-10 09:52:24.000000000 -0700
@@ -61,7 +61,7 @@

/* Same for both flat and physical. */

-void send_IPI_self(int vector)
+void apic_send_IPI_self(int vector)
{
__send_IPI_shortcut(APIC_DEST_SELF, vector, APIC_DEST_PHYSICAL);
}
Index: tree-x86/arch/x86/kernel/genapic_flat_64.c
===================================================================
--- tree-x86.orig/arch/x86/kernel/genapic_flat_64.c 2008-07-10 09:52:12.000000000 -0700
+++ tree-x86/arch/x86/kernel/genapic_flat_64.c 2008-07-10 09:52:24.000000000 -0700
@@ -131,6 +131,7 @@
.send_IPI_all = flat_send_IPI_all,
.send_IPI_allbutself = flat_send_IPI_allbutself,
.send_IPI_mask = flat_send_IPI_mask,
+ .send_IPI_self = apic_send_IPI_self,
.cpu_mask_to_apicid = flat_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
.read_apic_id = read_xapic_id,
@@ -196,6 +197,7 @@
.send_IPI_all = physflat_send_IPI_all,
.send_IPI_allbutself = physflat_send_IPI_allbutself,
.send_IPI_mask = physflat_send_IPI_mask,
+ .send_IPI_self = apic_send_IPI_self,
.cpu_mask_to_apicid = physflat_cpu_mask_to_apicid,
.phys_pkg_id = phys_pkg_id,
.read_apic_id = read_xapic_id,
Index: tree-x86/include/asm-x86/genapic_64.h
===================================================================
--- tree-x86.orig/include/asm-x86/genapic_64.h 2008-07-10 09:52:12.000000000 -0700
+++ tree-x86/include/asm-x86/genapic_64.h 2008-07-10 09:52:24.000000000 -0700
@@ -24,6 +24,7 @@
void (*send_IPI_mask)(cpumask_t mask, int vector);
void (*send_IPI_allbutself)(int vector);
void (*send_IPI_all)(int vector);
+ void (*send_IPI_self)(int vector);
/* */
unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
unsigned int (*phys_pkg_id)(int index_msb);
@@ -36,6 +37,7 @@
extern struct genapic apic_physflat;
extern int acpi_madt_oem_check(char *, char *);

+extern void apic_send_IPI_self(int vector);
enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
Index: tree-x86/include/asm-x86/hw_irq.h
===================================================================
--- tree-x86.orig/include/asm-x86/hw_irq.h 2008-07-10 09:51:45.000000000 -0700
+++ tree-x86/include/asm-x86/hw_irq.h 2008-07-10 09:52:24.000000000 -0700
@@ -73,7 +73,9 @@
#endif

/* IPI functions */
+#ifdef CONFIG_X86_32
extern void send_IPI_self(int vector);
+#endif
extern void send_IPI(int dest, int vector);

/* Statistics */
Index: tree-x86/include/asm-x86/mach-default/mach_apic.h
===================================================================
--- tree-x86.orig/include/asm-x86/mach-default/mach_apic.h 2008-07-10 09:52:12.000000000 -0700
+++ tree-x86/include/asm-x86/mach-default/mach_apic.h 2008-07-10 09:52:24.000000000 -0700
@@ -31,6 +31,7 @@
#define phys_pkg_id (genapic->phys_pkg_id)
#define vector_allocation_domain (genapic->vector_allocation_domain)
#define read_apic_id (genapic->read_apic_id)
+#define send_IPI_self (genapic->send_IPI_self)
extern void setup_apic_routing(void);
#else
#define INT_DELIVERY_MODE dest_LowestPrio

--

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