From: Ingo Molnar <mingo@elte.hu>
To: Serge Noiraud <serge.noiraud@bull.net>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: PREEMPT_RT and mptfusion
Date: Wed, 6 Jul 2005 16:31:57 +0200 [thread overview]
Message-ID: <20050706143157.GA22156@elte.hu> (raw)
In-Reply-To: <1120659178.6225.99.camel@ibiza.btsn.frna.bull.fr>
* Serge Noiraud <serge.noiraud@bull.net> wrote:
> > Yes it was 50-47.
> > CONFIG_X86_UP_IOAPIC is not present in my .config
> > CONFIG_PCI_MSI is set to yes.
> >
> > I'll try with CONFIG_PCI_MSI=n
> It's OK for me. good job.
good. But it would be nice to make it work with PCI_MSI=y too. Does
PCI_MSI=y work if you apply the patch below?
Ingo
--- linux/arch/i386/kernel/io_apic.c.orig
+++ linux/arch/i386/kernel/io_apic.c
@@ -2136,11 +2136,7 @@ static void end_level_ioapic_vector (uns
{
int irq = vector_to_irq(vector);
-#ifdef CONFIG_PREEMPT_HARDIRQS
- if (!(irq_desc[vector].status & (IRQ_DISABLED | IRQ_INPROGRESS)) &&
- irq_desc[vector].action)
-#endif
- end_level_ioapic_irq(irq);
+ end_level_ioapic_irq(irq);
}
static void enable_level_ioapic_vector(unsigned int vector)
next prev parent reply other threads:[~2005-07-06 19:48 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-06 7:05 PREEMPT_RT and mptfusion Serge Noiraud
2005-07-06 12:08 ` Ingo Molnar
2005-07-06 12:33 ` Serge Noiraud
2005-07-06 14:12 ` Serge Noiraud
2005-07-06 14:31 ` Ingo Molnar [this message]
2005-07-07 6:55 ` Serge Noiraud
2005-07-07 17:52 ` Ingo Molnar
2005-07-08 12:00 ` Serge Noiraud
2005-07-08 12:54 ` Serge Noiraud
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