Messages in this thread | | | Date | Sat, 21 Jul 2007 01:32:36 +0400 | From | "Manu Abraham" <> | Subject | Re: [PATCH 5/7] I/OAT: Add support for MSI and MSI-X |
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On 7/21/07, Roland Dreier <rdreier@cisco.com> wrote: > > This driver supports some chipsets that do MSI, and some that do MSI-X, > > but none that can do both. > > Thanks, that's the simple answer I was hoping for. Obviously if some > chipsets only do MSI then you need the MSI code in addition to the > MSI-X code.
In a case where you have a device that which supports MSI-X (multiple interrupts) but the device in default is in MSI mode, ie some configuration change is needed on the device. In such a case, how would one handle between MSI-X and MSI ?
ie the device initially doesn't support MSI-X - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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