Messages in this thread | | | Date | Mon, 28 Mar 2005 14:58:18 -0800 | From | Greg KH <> | Subject | Re: [PATCH] disable MSI for AMD-8131 |
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On Sun, Mar 06, 2005 at 10:28:45PM +0200, Michael S. Tsirkin wrote: > Greg, Martin, > > The AMD-8131 I/O APIC (device id 1022:7450/7451) does not support message > signalled interrupts. Thus, if a device driver attempts to enable msi, > it will suceed, but interrupts are not actually delivered to the cpu. > The Nforce chipsets do not seem to have this limitation. > AMD confirmed that MSI mode is unsupported with this APIC. > > The following patch adds a flag to pci quirks to detect this and disable msi. > > Please let me know what do you think. > > Signed-off-by: Michael S. Tsirkin <mst@mellano.co.il>
Looks good, applied, thanks.
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