diff options
| author | Maciej W. Rozycki | 2008-05-21 23:09:26 +0200 |
|---|---|---|
| committer | Ingo Molnar | 2008-07-08 09:12:55 +0200 |
| commit | e67465f1298671266a8e824c1751afdb7c08c860 (patch) | |
| tree | f5501ee5ff90e0f34f215b9e5f28cea0b06502b4 /arch/x86/kernel/io_apic_64.c | |
| parent | x86: I/O APIC: remove parameters to fiddle with the 8259A (diff) | |
| download | kernel-qcow2-linux-e67465f1298671266a8e824c1751afdb7c08c860.tar.gz kernel-qcow2-linux-e67465f1298671266a8e824c1751afdb7c08c860.tar.xz kernel-qcow2-linux-e67465f1298671266a8e824c1751afdb7c08c860.zip | |
x86: I/O APIC: clean up after a fasteoi failure
Disable the 8259A when routing of the timer interrupt through the chip to
the local APIC of the primary processor has failed.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/io_apic_64.c')
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 9f16ca4b5a24..6433fc99f1f9 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1729,6 +1729,7 @@ static inline void __init check_timer(void) apic_printk(APIC_VERBOSE," works.\n"); goto out; } + disable_8259A_irq(0); apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector); apic_printk(APIC_VERBOSE," failed.\n"); |