From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Matthew Garrett <mjg@redhat.com>
Cc: Don Dutile <ddutile@redhat.com>,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
linux-efi@vger.kernel.org, mfleming@intel.com,
dwmw2@infradead.org, bhelgaas@google.com
Subject: Re: [PATCH V3 3/4] PCI: Add support for non-BAR ROMs
Date: Wed, 5 Sep 2012 13:46:21 +0100 [thread overview]
Message-ID: <20120905134621.73afe48a@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20120905022932.GA4087@srcf.ucam.org>
On Wed, 5 Sep 2012 03:29:32 +0100
Matthew Garrett <mjg@redhat.com> wrote:
> On Tue, Sep 04, 2012 at 10:18:48PM -0400, Don Dutile wrote:
> > > /*
> > >+ * Some devices may provide ROMs via a source other than the BAR
> > >+ */
> > >+ if (pdev->rom&& pdev->romlen) {
> > >+ *size = pdev->romlen;
> > >+ return phys_to_virt((phys_addr_t)pdev->rom);
> > ^^^^^
> > ioremap_nocache() ? ... or is caching rom ok?
>
> If it's appearing through this pathway then it's not actually in ROM,
> the platform has pulled it out of somewhere else.
If that somewhere else is on the PCI bus then it should be a bus not a
virt translation surely ?
next prev parent reply other threads:[~2012-09-05 12:41 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-23 16:36 Use PCI ROMs from EFI boot services Matthew Garrett
2012-08-23 16:36 ` [PATCH V3 1/4] EFI: Stash ROMs if they're not in the PCI BAR Matthew Garrett
2012-08-23 23:44 ` Bjorn Helgaas
2012-08-24 4:09 ` Matthew Garrett
2012-09-04 13:45 ` Matthew Garrett
2012-09-06 13:59 ` Bjorn Helgaas
2012-09-06 17:36 ` [PATCH] x86: Fix build warning on 32-bit Matthew Garrett
2012-09-06 20:02 ` Bjorn Helgaas
2012-08-23 16:36 ` [PATCH V3 2/4] PCI: Add pcibios_add_device Matthew Garrett
2012-08-23 16:36 ` [PATCH V3 3/4] PCI: Add support for non-BAR ROMs Matthew Garrett
2012-09-05 2:18 ` Don Dutile
2012-09-05 2:29 ` Matthew Garrett
2012-09-05 12:46 ` Alan Cox [this message]
2012-09-05 13:20 ` Matthew Garrett
2012-09-05 13:30 ` Alan Cox
2012-09-05 13:44 ` Matthew Garrett
2012-08-23 16:36 ` [PATCH V3 4/4] X86: Use PCI setup data Matthew Garrett
2012-08-24 9:30 ` Use PCI ROMs from EFI boot services David Woodhouse
2012-08-24 12:53 ` Matthew Garrett
2012-10-25 17:35 ` Bjorn Helgaas
2012-12-03 20:02 ` Seth Forshee
2012-12-05 20:09 ` Bjorn Helgaas
2012-12-05 20:22 ` Matthew Garrett
2012-12-05 22:21 ` Bjorn Helgaas
2012-12-05 21:06 ` David Woodhouse
2012-12-06 0:15 ` Yinghai Lu
2012-12-06 0:18 ` Matthew Garrett
2012-12-06 0:21 ` H. Peter Anvin
2012-12-06 0:30 ` Yinghai Lu
2012-12-06 0:36 ` H. Peter Anvin
2012-12-06 0:57 ` Matthew Garrett
2012-12-06 1:04 ` H. Peter Anvin
2012-12-06 1:13 ` Matthew Garrett
2012-12-06 1:21 ` H. Peter Anvin
2012-12-06 6:19 ` Matthew Garrett
2012-12-06 1:00 ` Matthew Garrett
2012-12-06 0:22 ` Yinghai Lu
2012-12-06 0:23 ` Eric W. Biederman
2012-12-06 0:36 ` H. Peter Anvin
2012-12-06 0:51 ` Yinghai Lu
2012-12-06 0:52 ` Yinghai Lu
2012-12-06 18:19 ` Bjorn Helgaas
2012-12-06 18:26 ` H. Peter Anvin
2012-12-06 18:54 ` Matthew Garrett
2012-12-06 18:57 ` Yinghai Lu
2012-12-06 21:44 ` Bjorn Helgaas
2012-12-06 0:56 ` H. Peter Anvin
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