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x86: initialize all fields of mp_irqs[mp_irq_entries]

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Commit "x86: make config_irqsrc not MPspec specific" introduced some uses
of uninitialized fields in mp_config_acpi_legacy_irqs(). I need the
following patch to get sched-devel/master to boot.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Soeren Sandmann 2008-05-18 05:24:41 +02:00 • committed by Thomas Gleixner
parent 2fddb6e28e
commit 59f4519ad7
1 changed files with 4 additions and 5 deletions
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9
arch/x86/kernel/acpi/boot.c
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@ -1012,11 +1012,6 @@ void __init mp_config_acpi_legacy_irqs(void)
if (ioapic < 0) if (ioapic < 0)
return; return;
mp_irqs[mp_irq_entries].mp_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mp_irqflag = 0; /* Conforming */
mp_irqs[mp_irq_entries].mp_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mp_dstapic = mp_ioapics[ioapic].mp_apicid;
/* /*
* Use the default configuration for the IRQs 0-15. Unless * Use the default configuration for the IRQs 0-15. Unless
* overridden by (MADT) interrupt source override entries. * overridden by (MADT) interrupt source override entries.
@ -1044,6 +1039,10 @@ void __init mp_config_acpi_legacy_irqs(void)
continue; /* IRQ already used */ continue; /* IRQ already used */
} }
mp_irqs[mp_irq_entries].mp_type = MP_INTSRC;
mp_irqs[mp_irq_entries].mp_irqflag = 0; /* Conforming */
mp_irqs[mp_irq_entries].mp_srcbus = MP_ISA_BUS;
mp_irqs[mp_irq_entries].mp_dstapic = mp_ioapics[ioapic].mp_apicid;
mp_irqs[mp_irq_entries].mp_irqtype = mp_INT; mp_irqs[mp_irq_entries].mp_irqtype = mp_INT;
mp_irqs[mp_irq_entries].mp_srcbusirq = i; /* Identity mapped */ mp_irqs[mp_irq_entries].mp_srcbusirq = i; /* Identity mapped */
mp_irqs[mp_irq_entries].mp_dstirq = i; mp_irqs[mp_irq_entries].mp_dstirq = i;