diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2008-05-21 22:09:34 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 09:12:56 +0200 |
| commit | 60134ebe795b728dbb960485a8e873c3250ada36 (patch) | |
| tree | 2647ef04bf610bb41a90d93929cf7cbdafeb61e5 /arch/x86/kernel/ds.c | |
| parent | e67465f1298671266a8e824c1751afdb7c08c860 (diff) | |
x86: I/O APIC: keep IRQ off when changing LVT registers
Disable the 8259A acting in the "virtual wire" mode to keep the interrupt
line inactive while fiddling with local APIC interrupt vector registers
associated with its destination inputs. To be on the safe side,
especially concerning flipping the trigger mode.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/ds.c')
0 files changed, 0 insertions, 0 deletions