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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-19 20:50:32 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:52:53 +0200 |
| commit | 7a959cff725872ce9c3a534f10724d7bb2cb3c4a (patch) | |
| tree | 8624645b19e3f4404ba7ca071dd52d72f870aff6 | |
| parent | 497c9a195db918d3f035e8cb3021e5d4d035516e (diff) | |
| download | linux-7a959cff725872ce9c3a534f10724d7bb2cb3c4a.tar.gz linux-7a959cff725872ce9c3a534f10724d7bb2cb3c4a.tar.xz | |
x86: add debug info for 32bit sparse_irq
so could figure out bugs where we get an interrupt, but vector_irq is
not initialized yet.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/io_apic_32.c | 8 | ||||
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/irq_32.c | 4 |
3 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c index ea33d3c74970..3001924bdd36 100644 --- a/arch/x86/kernel/io_apic_32.c +++ b/arch/x86/kernel/io_apic_32.c @@ -1114,8 +1114,12 @@ next: cfg->move_in_progress = 1; cfg->old_domain = cfg->domain; } - for_each_cpu_mask_nr(new_cpu, new_mask) - per_cpu(vector_irq, new_cpu)[vector] = irq; + printk(KERN_DEBUG "assign_irq_vector: irq %d vector %#x cpu ", irq, vector); + for_each_cpu_mask_nr(new_cpu, new_mask) { + per_cpu(vector_irq, new_cpu)[vector] = irq; + printk(KERN_CONT " %d ", new_cpu); + } + printk(KERN_CONT "\n"); cfg->vector = vector; cfg->domain = domain; return 0; diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index b0d4abc55a11..30d2e3811313 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -1394,6 +1394,8 @@ __apicdebuginit(void) print_IO_APIC(void) printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].mp_apicid); printk(KERN_DEBUG ".... register #00: %08X\n", reg_00.raw); printk(KERN_DEBUG "....... : physical APIC id: %02X\n", reg_00.bits.ID); + printk(KERN_DEBUG "....... : Delivery Type: %X\n", reg_00.bits.delivery_type); + printk(KERN_DEBUG "....... : LTS : %X\n", reg_00.bits.LTS); printk(KERN_DEBUG ".... register #01: %08X\n", *(int *)®_01); printk(KERN_DEBUG "....... : max redirection entries: %04X\n", reg_01.bits.entries); diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index b51ffdcfa31a..cc929f2f84f1 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -237,8 +237,8 @@ unsigned int do_IRQ(struct pt_regs *regs) desc = irq_to_desc(irq); if (unlikely(!desc)) { - printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x\n", - __func__, irq, vector); + printk(KERN_EMERG "%s: cannot handle IRQ %d vector %#x cpu %d\n", + __func__, irq, vector, smp_processor_id()); BUG(); } |