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Date: Mon, 28 Jun 2010 13:09:53 -0700 From: Jacob Pan <jacob.jun.pan@...ux.intel.com> To: LKML <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de> Cc: Jacob Pan <jacob.jun.pan@...ux.intel.com> Subject: [PATCH] x86/apic: do not clear nr_irqs_gsi if no legacy irqs 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@...ux.intel.com> --- arch/x86/kernel/apic/io_apic.c | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-) diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index d99388a..5592462 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -155,10 +155,8 @@ int __init arch_early_irq_init(void) int node; int i; - if (!legacy_pic->nr_legacy_irqs) { - nr_irqs_gsi = 0; + if (!legacy_pic->nr_legacy_irqs) io_apic_irqs = ~0UL; - } cfg = irq_cfgx; count = ARRAY_SIZE(irq_cfgx); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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