From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: linux-arch@vger.kernel.org, Chris Zankel <chris@zankel.net>,
Grant Grundler <grundler@parisc-linux.org>,
linux-parisc@vger.kernel.org, Matthew Wilcox <matthew@wil.cx>,
Kyle McMartin <kyle@parisc-linux.org>,
linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
linux-pci@atrey.karlin.mff.cuni.cz,
linux-arm-kernel@lists.arm.linux.org.uk,
Russell King <rmk@arm.linux.org.uk>
Subject: Re: [patch 4/4] RFC: PCI: consolidate several pcibios_enable_resources() implementations
Date: Wed, 20 Feb 2008 07:21:43 +1100 [thread overview]
Message-ID: <1203452503.18618.8.camel@pasglop> (raw)
In-Reply-To: <200802190911.56901.bjorn.helgaas@hp.com>
> > That is, whatever the arch code decides to use to decide whether
> > resources are assigned by firmware or by the first pass assignment code
> > or not and collide or not, once that phase is finished (which is the
> > case when calling pcibios_enable_device(), having the resource in the
> > resource-tree or not is, I believe, the proper way to test whether it's
> > a useable resource.
>
> So should x86 adopt that collision check? I don't hear anything about
> actual architecture differences that are behind this implementation
> difference.
Well, on powerpc we do allow under some circumstances a 0 start value
in BARs, which is why I wanted to use a different check.
Ben.
next prev parent reply other threads:[~2008-02-19 20:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-19 4:39 [patch 0/4] RFC: PCI: consolidate several pcibios_enable_resources() implementations Bjorn Helgaas
2008-02-19 4:39 ` [patch 1/4] PCI: split pcibios_enable_resources() out of pcibios_enable_device() Bjorn Helgaas
2008-02-19 6:27 ` Benjamin Herrenschmidt
2008-02-19 4:39 ` [patch 2/4] ppc: make pcibios_enable_device() use pcibios_enable_resources() Bjorn Helgaas
2008-02-19 6:26 ` Benjamin Herrenschmidt
2008-02-19 4:39 ` [patch 3/4] xtensa: " Bjorn Helgaas
2008-02-19 4:39 ` [patch 4/4] RFC: PCI: consolidate several pcibios_enable_resources() implementations Bjorn Helgaas
2008-02-19 6:31 ` Benjamin Herrenschmidt
2008-02-19 16:11 ` Bjorn Helgaas
2008-02-19 17:08 ` Ivan Kokshaysky
2008-02-19 20:21 ` Benjamin Herrenschmidt [this message]
2008-02-19 6:33 ` Benjamin Herrenschmidt
2008-02-19 7:03 ` Kyle McMartin
2008-02-19 6:11 ` [patch 0/4] " Kyle McMartin
2008-02-19 8:09 ` Russell King
2008-02-19 10:08 ` Benjamin Herrenschmidt
2008-02-19 18:02 ` Bjorn Helgaas
2008-02-20 6:24 ` Grant Grundler
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1203452503.18618.8.camel@pasglop \
--to=benh@kernel.crashing.org \
--cc=bjorn.helgaas@hp.com \
--cc=chris@zankel.net \
--cc=grundler@parisc-linux.org \
--cc=kyle@parisc-linux.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.arm.linux.org.uk \
--cc=linux-parisc@vger.kernel.org \
--cc=linux-pci@atrey.karlin.mff.cuni.cz \
--cc=linuxppc-dev@ozlabs.org \
--cc=matthew@wil.cx \
--cc=paulus@samba.org \
--cc=rmk@arm.linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).