Re: [PATCH] i386 irq: Kill NR_IRQ_VECTORS and increase NR_IRQS

2007-02-16 Thread Eric W. Biederman
Andi Kleen <[EMAIL PROTECTED]> writes: >> Allowing the kernel to work on big machines without complicated >> and error prone irq remapping logic. > > How much memory does this use by default? If it's much there should > be at least a CONFIG_* to make it smaller. If you don't build a generic kerne

Re: [PATCH] i386 irq: Kill NR_IRQ_VECTORS and increase NR_IRQS

2007-02-16 Thread Andi Kleen
> Allowing the kernel to work on big machines without complicated > and error prone irq remapping logic. How much memory does this use by default? If it's much there should be at least a CONFIG_* to make it smaller. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel"

[PATCH] i386 irq: Kill NR_IRQ_VECTORS and increase NR_IRQS

2007-02-16 Thread Eric W. Biederman
Due to hardware and software implementation limits the i386 kernel can only use 224 or so different IRQs at one time. However except for actually having the irqs delivered there are no limits except the arbitrary number NR_IRQS on how many irqs we can talk about and deal with. Frequently not all