commit 6b64ee02da20d6c0d97115e0b1ab47f9fa2f0d8f
author Ingo Molnar <mingo@elte.hu> Fri Jan 30 23:42:18 2009 +0100
committer Ingo Molnar <mingo@elte.hu> Fri Jan 30 23:42:18 2009 +0100
tree 33cc854072725475de0ea30194e1057ddf5c4a43
parent 26f7ef14a76b0e590a3797fd7b2f3cee868d9664

x86, apic, 32-bit: add self-IPI methods

Impact: fix rare crash on 32-bit

The 32-bit APIC drivers had their send_IPI_self vectors set to NULL,
but ioapic_retrigger_irq() depends on it being always set. Fix it.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/bigsmp_32.c

diff --git a/arch/x86/kernel/bigsmp_32.c b/arch/x86/kernel/bigsmp_32.c
index ab645c9..47a62f4 100644
--- a/arch/x86/kernel/bigsmp_32.c
+++ b/arch/x86/kernel/bigsmp_32.c
@@ -252,7 +252,7 @@
 	.send_IPI_mask_allbutself	= NULL,
 	.send_IPI_allbutself		= bigsmp_send_IPI_allbutself,
 	.send_IPI_all			= bigsmp_send_IPI_all,
-	.send_IPI_self			= NULL,
+	.send_IPI_self			= default_send_IPI_self,
 
 	.wakeup_cpu			= NULL,
 	.trampoline_phys_low		= DEFAULT_TRAMPOLINE_PHYS_LOW,

arch/x86/kernel/es7000_32.c

diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c
index b5b50e8..d6184c1 100644
--- a/arch/x86/kernel/es7000_32.c
+++ b/arch/x86/kernel/es7000_32.c
@@ -786,7 +786,7 @@
 	.send_IPI_mask_allbutself	= NULL,
 	.send_IPI_allbutself		= es7000_send_IPI_allbutself,
 	.send_IPI_all			= es7000_send_IPI_all,
-	.send_IPI_self			= NULL,
+	.send_IPI_self			= default_send_IPI_self,
 
 	.wakeup_cpu			= NULL,
 

arch/x86/kernel/numaq_32.c

diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index c143b32..947748e 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -554,7 +554,7 @@
 	.send_IPI_mask_allbutself	= NULL,
 	.send_IPI_allbutself		= numaq_send_IPI_allbutself,
 	.send_IPI_all			= numaq_send_IPI_all,
-	.send_IPI_self			= NULL,
+	.send_IPI_self			= default_send_IPI_self,
 
 	.wakeup_cpu			= NULL,
 	.trampoline_phys_low		= NUMAQ_TRAMPOLINE_PHYS_LOW,

arch/x86/kernel/probe_32.c

diff --git a/arch/x86/kernel/probe_32.c b/arch/x86/kernel/probe_32.c
index 3f12a40..22337b7 100644
--- a/arch/x86/kernel/probe_32.c
+++ b/arch/x86/kernel/probe_32.c
@@ -116,7 +116,7 @@
 	.send_IPI_mask_allbutself	= default_send_IPI_mask_allbutself_logical,
 	.send_IPI_allbutself		= default_send_IPI_allbutself,
 	.send_IPI_all			= default_send_IPI_all,
-	.send_IPI_self			= NULL,
+	.send_IPI_self			= default_send_IPI_self,
 
 	.wakeup_cpu			= NULL,
 	.trampoline_phys_low		= DEFAULT_TRAMPOLINE_PHYS_LOW,

arch/x86/kernel/summit_32.c

diff --git a/arch/x86/kernel/summit_32.c b/arch/x86/kernel/summit_32.c
index ecb41b9..1e733ef 100644
--- a/arch/x86/kernel/summit_32.c
+++ b/arch/x86/kernel/summit_32.c
@@ -588,7 +588,7 @@
 	.send_IPI_mask_allbutself	= NULL,
 	.send_IPI_allbutself		= summit_send_IPI_allbutself,
 	.send_IPI_all			= summit_send_IPI_all,
-	.send_IPI_self			= NULL,
+	.send_IPI_self			= default_send_IPI_self,
 
 	.wakeup_cpu			= NULL,
 	.trampoline_phys_low		= DEFAULT_TRAMPOLINE_PHYS_LOW,