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>
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,