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From: Roland Dreier <rolandd@cisco.com>
To: Greg KH <gregkh@suse.de>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>,
	linux-pci@atrey.karlin.mff.cuni.cz, openib-general@openib.org,
	linux-kernel@vger.kernel.org, mj@ucw.cz
Subject: Re: [openib-general] Re: [PATCH] arch/xx/pci: remap_pfn_range -> io_remap_pfn_range
Date: Wed, 27 Jul 2005 21:30:17 -0700	[thread overview]
Message-ID: <52d5p3sgbq.fsf@cisco.com> (raw)
In-Reply-To: <20050728042607.GA12799@suse.de> (Greg KH's message of "Wed, 27 Jul 2005 21:26:07 -0700")

    Greg> Hm, you do realize that io_remap_pfn_range() is the same
    Greg> thing as remap_pfn_range() on i386, right?

    Greg> So, why would this patch change anything?

It's not the same thing under Xen.  I think this patch fixes userspace
access to PCI memory for XenLinux.

 - R.

  reply	other threads:[~2005-07-28  4:30 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-25 22:32 [PATCH] arch/xx/pci: remap_pfn_range -> io_remap_pfn_range Michael S. Tsirkin
2005-07-28  4:26 ` Greg KH
2005-07-28  4:30   ` Roland Dreier [this message]
2005-07-28  4:50     ` [openib-general] " Greg KH
2005-07-28  6:48   ` Michael S. Tsirkin
2005-07-28  6:58     ` Greg KH
  -- strict thread matches above, loose matches on Subject: below --
2005-07-28 11:57 [openib-general] " Ian Pratt
2005-07-28 14:18 ` Randy.Dunlap
2005-07-28 16:17 ` Greg KH
2005-07-28 14:40 Ian Pratt

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