Re: [PATCH 1/2] msi: Invert the sense of the MSI enables.

• To: [email protected] (Eric W. Biederman)
• Subject: Re: [PATCH 1/2] msi: Invert the sense of the MSI enables.
• From: Roland Dreier <[email protected]>
• Date: Fri, 25 May 2007 08:40:38 -0700
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• Cc: Greg KH <[email protected]>, Jay Cliburn <[email protected]>, Grzegorz Krzystek <[email protected]>, Andrew Morton <[email protected]>, Andi Kleen <[email protected]>, [email protected], [email protected], [email protected], Michael Ellerman <[email protected]>, David Miller <[email protected]>, Tony Luck <[email protected]>
• In-reply-to: <[email protected]> (Eric W. Biederman's message of "Fri, 25 May 2007 09:17:35 -0600")
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 > - In spec hardware does not require MSI to generate interrupts
 >   Which leaves enabling MSI optional.

Actually at least the Qlogic/Pathscale PCI Express ipath adapters
cannot generate INTx interrupts -- they definitely do require MSI to
operate.

 - R.
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