Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

x86/apic: Do not clear nr_irqs_gsi if no legacy irqs

Browse source 
nr_legacy_irqs is set in probe_nr_irqs_gsi, we should not clear
it after that. Otherwise, the result is that MSI irqs will be
allocated from the wrong range for the systems without legacy
PIC.

Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jacob Pan 2011-11-10 13:42:21 +00:00 committed by Ingo Molnar
parent cf8ff6b6ab
commit bb84ac2d3a
1 changed files with 1 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
arch/x86/kernel/apic/io_apic.c
View file

@ -193,10 +193,8 @@ int __init arch_early_irq_init(void)
struct irq_cfg *cfg;
int count, node, i;
if (!legacy_pic->nr_legacy_irqs) {
nr_irqs_gsi = 0;
if (!legacy_pic->nr_legacy_irqs)
io_apic_irqs = ~0UL;
}
for (i = 0; i < nr_ioapics; i++) {
ioapics[i].saved_registers =