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x86: I/O APIC: keep the timer IRQ masked during set-up

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Keep the timer interrupt line masked when reconfiguring its interrupt
redirection entry in the I/O APIC.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Maciej W. Rozycki 2008-05-27 21:19:45 +01:00 committed by Ingo Molnar
parent 24742ece8e
commit 03be750559
2 changed files with 2 additions and 2 deletions
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2
arch/x86/kernel/io_apic_32.c
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@ -1316,7 +1316,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
* to the first CPU.
*/
entry.dest_mode = INT_DEST_MODE;
entry.mask = 0; /* unmask IRQ now */
entry.mask = 1; /* mask IRQ now */
entry.dest.logical.logical_dest = cpu_mask_to_apicid(TARGET_CPUS);
entry.delivery_mode = INT_DELIVERY_MODE;
entry.polarity = 0;

2
arch/x86/kernel/io_apic_64.c
View file

@ -911,7 +911,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int apic, unsigned int pin,
* to the first CPU.
*/
entry.dest_mode = INT_DEST_MODE;
entry.mask = 0; /* unmask IRQ now */
entry.mask = 1; /* mask IRQ now */
entry.dest = cpu_mask_to_apicid(TARGET_CPUS);
entry.delivery_mode = INT_DELIVERY_MODE;
entry.polarity = 0;