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Re: Multiple MSI

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From: Benjamin Herrenschmidt
Subject: Re: Multiple MSI
Date: Monday, July 7, 2008 - 4:06 pm

On Mon, 2008-07-07 at 10:17 -0600, Grant Grundler wrote:

Ugh ?

The number of interrupts isn't what I was talking about, but the
-alignment- was. ie, the driver should make no assumption that the
irq numbers it will obtain will be aligned to a power-of-two.

Cheers,
Ben.


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Messages in current thread:
Multiple MSI, Matthew Wilcox, (Wed Jul 2, 7:44 pm)
Re: Multiple MSI, Benjamin Herrenschmidt, (Wed Jul 2, 8:24 pm)
Re: Multiple MSI, Matthew Wilcox, (Wed Jul 2, 8:59 pm)
Re: Multiple MSI, Benjamin Herrenschmidt, (Wed Jul 2, 9:41 pm)
Re: Multiple MSI, Michael Ellerman, (Wed Jul 2, 11:44 pm)
Re: Multiple MSI, Arnd Bergmann, (Thu Jul 3, 2:10 am)
Re: Multiple MSI, Benjamin Herrenschmidt, (Thu Jul 3, 2:17 am)
Re: Multiple MSI, Matthew Wilcox, (Thu Jul 3, 4:31 am)
Re: Multiple MSI, Matthew Wilcox, (Thu Jul 3, 4:34 am)
Re: Multiple MSI, Benjamin Herrenschmidt, (Thu Jul 3, 4:41 am)
Re: Multiple MSI, Michael Ellerman, (Thu Jul 3, 6:52 pm)
Re: Multiple MSI, Alan Cox, (Fri Jul 4, 1:08 am)
Re: Multiple MSI, Matthew Wilcox, (Sat Jul 5, 6:27 am)
[PATCH 1/4] PCI MSI: Store the number of messages in the m ..., Matthew Wilcox, (Sat Jul 5, 6:34 am)
[PATCH 2/4] PCI: Support multiple MSI, Matthew Wilcox, (Sat Jul 5, 6:34 am)
[PATCH 3/4] AHCI: Request multiple MSIs, Matthew Wilcox, (Sat Jul 5, 6:34 am)
[PATCH 4/4] x86-64: Support for multiple MSIs, Matthew Wilcox, (Sat Jul 5, 6:34 am)
Re: Multiple MSI, Matthew Wilcox, (Sat Jul 5, 6:43 am)
Re: Multiple MSI, Matthew Wilcox, (Sat Jul 5, 3:38 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Michael Ellerman, (Sun Jul 6, 7:05 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Michael Ellerman, (Sun Jul 6, 7:05 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Matthew Wilcox, (Sun Jul 6, 7:41 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Matthew Wilcox, (Sun Jul 6, 7:45 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Benjamin Herrenschmidt, (Sun Jul 6, 8:26 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Michael Ellerman, (Sun Jul 6, 8:48 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Michael Ellerman, (Sun Jul 6, 8:56 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Matthew Wilcox, (Mon Jul 7, 4:31 am)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Matthew Wilcox, (Mon Jul 7, 5:04 am)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Grant Grundler, (Mon Jul 7, 9:02 am)
Re: Multiple MSI, Grant Grundler, (Mon Jul 7, 9:17 am)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Matthew Wilcox, (Mon Jul 7, 9:19 am)
Re: Multiple MSI, Matthew Wilcox, (Mon Jul 7, 9:39 am)
Re: [PATCH 3/4] AHCI: Request multiple MSIs, Grant Grundler, (Mon Jul 7, 9:45 am)
Re: Multiple MSI, Grant Grundler, (Mon Jul 7, 9:51 am)
Re: [PATCH 3/4] AHCI: Request multiple MSIs, Matthew Wilcox, (Mon Jul 7, 10:48 am)
Re: Multiple MSI, Benjamin Herrenschmidt, (Mon Jul 7, 4:06 pm)
Re: Multiple MSI, Michael Ellerman, (Wed Jul 9, 5:55 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Michael Ellerman, (Wed Jul 9, 6:32 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Michael Ellerman, (Wed Jul 9, 6:32 pm)
Re: [PATCH 1/4] PCI MSI: Store the number of messages in t ..., Matthew Wilcox, (Wed Jul 9, 6:35 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Matthew Wilcox, (Wed Jul 9, 6:43 pm)
Re: [PATCH 2/4] PCI: Support multiple MSI, Michael Ellerman, (Wed Jul 9, 9:00 pm)
Re: [PATCH 3/4] AHCI: Request multiple MSIs, Grant Grundler, (Sun Jul 20, 12:49 am)