diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2008-05-27 21:19:40 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 09:13:05 +0200 |
| commit | 24742ece8eb01b5855059020ba1c09173fd9b732 (patch) | |
| tree | 14a19933c7b3afd17fe239f01fa31b321deb54b9 | |
| parent | f7633ce55b2ea2926a39d7ca9d0bb06c43edd2c2 (diff) | |
x86: I/O APIC: unmask the second-chance timer interrupt
Unmask the timer interrupt line set up in the through-8259A mode
explicitly after setup_timer_IRQ0_pin() has set up the I/O APIC interrupt
redirection entry to let the two operations be unbound from each other.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/io_apic_32.c | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index ce682e873aa..b381f93b79a 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -2185,6 +2185,7 @@ static inline void __init check_timer(void) * legacy devices should be connected to IO APIC #0 */ setup_timer_IRQ0_pin(apic2, pin2, vector); + unmask_IO_APIC_irq(0); enable_8259A_irq(0); if (timer_irq_works()) { printk("works.\n"); diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 6c4635fa97a..0e20b7d7c1c 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1691,6 +1691,7 @@ static inline void __init check_timer(void) * legacy devices should be connected to IO APIC #0 */ setup_timer_IRQ0_pin(apic2, pin2, cfg->vector); + unmask_IO_APIC_irq(0); enable_8259A_irq(0); if (timer_irq_works()) { apic_printk(APIC_VERBOSE," works.\n"); |