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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-21 12:56:32 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:52:59 +0200 |
| commit | a2d332fa3445160519de03c350a59602ac1c3df9 (patch) | |
| tree | fb86287f507290b6546f993916e097c12eb2081d /arch/x86/kernel/io_apic.c | |
| parent | e89eb43863c2d9f11a3bbe766766fe646e6c50d9 (diff) | |
| download | kernel_samsung_smdk4412-a2d332fa3445160519de03c350a59602ac1c3df9.zip kernel_samsung_smdk4412-a2d332fa3445160519de03c350a59602ac1c3df9.tar.gz kernel_samsung_smdk4412-a2d332fa3445160519de03c350a59602ac1c3df9.tar.bz2 | |
x86: fix 32-bit ioapic lockup with sparseirqs
Missed two lines when copying.
Fix panic on one of Ingo's machines that need to adjust ioapic id when
acpi off/ 32bit.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/io_apic.c')
| -rw-r--r-- | arch/x86/kernel/io_apic.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c index 7ca5566..4e44fd1 100644 --- a/arch/x86/kernel/io_apic.c +++ b/arch/x86/kernel/io_apic.c @@ -2077,6 +2077,8 @@ static void __init setup_ioapic_ids_from_mpc(void) reg_00.bits.ID = mp_ioapics[apic].mp_apicid; spin_lock_irqsave(&ioapic_lock, flags); + io_apic_write(apic, 0, reg_00.raw); + spin_unlock_irqrestore(&ioapic_lock, flags); /* * Sanity check |