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    SubjectRe: PREEMPT_RT and mptfusion
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    Le mer 06/07/2005 à 16:31, Ingo Molnar a écrit :
    > * 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)

    Same problem with this patch and CONFIG_PCI_MSI=y
    This is not the solution.

    -
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