On Thu, Aug 16, 2012 at 12:19:43PM -0400, Jeff Garzik wrote:
> 1) AHCI takes a host-wide lock during interrupt processing, which
> quite reduces the value of "interrupts generated by different
> ports could be serviced on different CPUs"
>
> 2) We do not put AHCI-specific code in libata-core. Try
On 08/16/2012 10:45 AM, Alexander Gordeev wrote:
Currently multiple MSI mode is limited to a single vector per device (at
least on x86 and PPC). This series breathes life into pci_enable_msi_block()
and makes it possible to set interrupt affinity for multiple IRQs, similarly
to MSI-X. Yet, only f
Currently multiple MSI mode is limited to a single vector per device (at
least on x86 and PPC). This series breathes life into pci_enable_msi_block()
and makes it possible to set interrupt affinity for multiple IRQs, similarly
to MSI-X. Yet, only for x86 and only when IOMMUs are present.
Although
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