On 12 Feb 2001, Jes Sorensen wrote: > Ion> Yes, but I'd rather let people turn off the always-copy behavior > Ion> by simply changing rx_copybreak. The unused code is not really > Ion> that much of a deal, it's only a few lines. > > However, it is in the hot path code where it hurts the most. I couldn't measure any difference, really. And for one extra branch, I really wouldn't expect a measurable difference.. Not even defining final_version, which removes a *lot* more conditional branches from the hot path, makes any measurable difference in the CPU utilization. Ion -- It is better to keep your mouth shut and be thought a fool, than to open it and remove all doubt. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
- Re: [PATCH] starfire reads irq before pci_enable_device. Manfred Spraul
- Re: [PATCH] starfire reads irq before pci_enable_device. Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_enable_devic... Jeff Garzik
- Re: [PATCH] starfire reads irq before pci_enable_d... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_enab... Manfred Spraul
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Jes Sorensen
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Jes Sorensen
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Manfred Spraul
- Re: [PATCH] starfire reads irq before pci_enab... Jeff Garzik
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Jeff Garzik
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Jeff Garzik
- Re: [PATCH] starfire reads irq before pci_... Ion Badulescu
- Re: [PATCH] starfire reads irq before pci_... Jeff Garzik
- Re: [PATCH] starfire reads irq before pci_enable_d... Donald Becker
- Re: [PATCH] starfire reads irq before pci_enab... Ion Badulescu