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| author | Rusty Russell <rusty@rustcorp.com.au> | 2008-10-31 16:24:27 (GMT) |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-10-31 00:24:28 (GMT) |
| commit | 526e5ab200ce483dcdf146806f4936bd58daa800 (patch) | |
| tree | b865e04546882a8a2daf5341160cb52048cf70dc /arch/x86 | |
| parent | ad5173ff8a387191dbacf889becb92c59aba5d59 (diff) | |
| download | linux-526e5ab200ce483dcdf146806f4936bd58daa800.tar.xz | |
lguest: fix irq vectors.
do_IRQ: cannot handle IRQ -1 vector 0x20 cpu 0
------------[ cut here ]------------
kernel BUG at arch/x86/kernel/irq_32.c:219!
We're not ISA: we have a 1:1 mapping from vectors to irqs.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/lguest/boot.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 4e22fa0..a5d8e1a 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -586,6 +586,9 @@ static void __init lguest_init_IRQ(void) for (i = 0; i < LGUEST_IRQS; i++) { int vector = FIRST_EXTERNAL_VECTOR + i; + /* Some systems map "vectors" to interrupts weirdly. Lguest has + * a straightforward 1 to 1 mapping, so force that here. */ + __get_cpu_var(vector_irq)[vector] = i; if (vector != SYSCALL_VECTOR) { set_intr_gate(vector, interrupt[vector]); set_irq_chip_and_handler_name(i, &lguest_irq_controller, |