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From: Grant Grundler <grundler@parisc-linux.org>
To: "Miller, Mike (OS Dev)" <Mike.Miller@hp.com>
Cc: "Grundler, Grant G" <grant.grundler@hp.com>,
	"Luck, Tony" <tony.luck@intel.com>, Chris Wedgwood <cw@f00f.org>,
	Grant Grundler <grundler@parisc-linux.org>,
	Greg KH <gregkh@suse.de>,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-ia64@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	"Patterson, Andrew D (Linux R&D)" <andrew.patterson@hp.com>
Subject: Re: Problems with MSI-X on ia64
Date: Sat, 25 Feb 2006 16:23:46 +0000	[thread overview]
Message-ID: <20060225162346.GA15372@colo.lackof.org> (raw)
In-Reply-To: <D4CFB69C345C394284E4B78B876C1CF10BAD8CA9@cceexc23.americas.cpqcorp.net>

On Tue, Feb 21, 2006 at 02:21:42PM -0600, Miller, Mike (OS Dev) wrote:
> So I looked at 2.6.16-rc3 which works in my lab, but phys_addr is still
> an int. How can that work?

"int" (u32) will work if the top bits are zero or alias to the
same thing as the full 64-bit address.
Can you apply the patch and add printk's to dump the
pci_resource_start(dev,bir) in msix_capability_init()?


> I believe Andrew saw the same thing in 2.6.15.

Yes, AFIACT 2.6.15 has the same code.

thanks,
grant

WARNING: multiple messages have this Message-ID (diff)
From: Grant Grundler <grundler@parisc-linux.org>
To: "Miller, Mike (OS Dev)" <Mike.Miller@hp.com>
Cc: "Grundler, Grant G" <grant.grundler@hp.com>,
	"Luck, Tony" <tony.luck@intel.com>, Chris Wedgwood <cw@f00f.org>,
	Grant Grundler <grundler@parisc-linux.org>,
	Greg KH <gregkh@suse.de>,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-ia64@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	"Patterson, Andrew D (Linux R&D)" <andrew.patterson@hp.com>
Subject: Re: Problems with MSI-X on ia64
Date: Sat, 25 Feb 2006 09:23:46 -0700	[thread overview]
Message-ID: <20060225162346.GA15372@colo.lackof.org> (raw)
In-Reply-To: <D4CFB69C345C394284E4B78B876C1CF10BAD8CA9@cceexc23.americas.cpqcorp.net>

On Tue, Feb 21, 2006 at 02:21:42PM -0600, Miller, Mike (OS Dev) wrote:
> So I looked at 2.6.16-rc3 which works in my lab, but phys_addr is still
> an int. How can that work?

"int" (u32) will work if the top bits are zero or alias to the
same thing as the full 64-bit address.
Can you apply the patch and add printk's to dump the
pci_resource_start(dev,bir) in msix_capability_init()?


> I believe Andrew saw the same thing in 2.6.15.

Yes, AFIACT 2.6.15 has the same code.

thanks,
grant

  reply	other threads:[~2006-02-25 16:23 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-26 17:14 Problems with MSI-X on ia64 Miller, Mike (OS Dev)
2006-01-26 17:14 ` Miller, Mike (OS Dev)
2006-01-26 17:14 ` Miller, Mike (OS Dev)
2006-01-26 17:24 ` Mark Maule
2006-01-26 17:24   ` Mark Maule
2006-01-26 20:24 ` Grant Grundler
2006-01-26 20:24   ` Grant Grundler
2006-01-26 20:37 ` Miller, Mike (OS Dev)
2006-01-26 20:37   ` Miller, Mike (OS Dev)
2006-01-26 20:37   ` Miller, Mike (OS Dev)
2006-01-27  4:37   ` Greg KH
2006-01-27  4:37     ` Greg KH
2006-01-27 15:34 ` Miller, Mike (OS Dev)
2006-01-27 15:34   ` Miller, Mike (OS Dev)
2006-01-27 15:34   ` Miller, Mike (OS Dev)
2006-02-17  7:58 ` Grant Grundler
2006-02-17  7:58   ` Grant Grundler
2006-02-17  8:46   ` Chris Wedgwood
2006-02-17  8:46     ` Chris Wedgwood
2006-02-17 14:11     ` Matthew Wilcox
2006-02-17 14:11       ` Matthew Wilcox
2006-02-17 16:36     ` Grant Grundler
2006-02-17 16:36       ` Grant Grundler
2006-02-17 19:10       ` Chris Wedgwood
2006-02-17 19:10         ` Chris Wedgwood
2006-06-01  6:35   ` Grant Grundler
2006-06-01  6:35     ` Grant Grundler
2006-02-17 19:52 ` Luck, Tony
2006-02-17 19:52   ` Luck, Tony
2006-02-17 19:52   ` Luck, Tony
2006-02-17 20:04   ` Grant Grundler
2006-02-17 20:04     ` Grant Grundler
2006-02-17 20:21     ` Roland Dreier
2006-02-17 20:21       ` Roland Dreier
2006-02-21 20:21 ` Miller, Mike (OS Dev)
2006-02-21 20:21   ` Miller, Mike (OS Dev)
2006-02-21 20:21   ` Miller, Mike (OS Dev)
2006-02-25 16:23   ` Grant Grundler [this message]
2006-02-25 16:23     ` Grant Grundler
2006-02-27 18:36 ` Miller, Mike (OS Dev)
2006-02-27 18:36   ` Miller, Mike (OS Dev)
2006-02-27 18:36   ` Miller, Mike (OS Dev)

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