linux-kernel - Re: [PATCH 16/16 v6] PCI: document the new PCI boot parameters

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Date:	Wed, 22 Oct 2008 08:27:32 -0600
From:	Bjorn Helgaas <bjorn.helgaas@...com>
To:	Yu Zhao <yu.zhao@...el.com>
Cc:	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"achiang@...com" <achiang@...com>,
	"grundler@...isc-linux.org" <grundler@...isc-linux.org>,
	"greg@...ah.com" <greg@...ah.com>, "mingo@...e.hu" <mingo@...e.hu>,
	"jbarnes@...tuousgeek.org" <jbarnes@...tuousgeek.org>,
	"matthew@....cx" <matthew@....cx>,
	"randy.dunlap@...cle.com" <randy.dunlap@...cle.com>,
	"rdreier@...co.com" <rdreier@...co.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	"virtualization@...ts.linux-foundation.org" 
	<virtualization@...ts.linux-foundation.org>
Subject: Re: [PATCH 16/16 v6] PCI: document the new PCI boot parameters

On Wednesday 22 October 2008 02:45:31 am Yu Zhao wrote:
> Document the new PCI[x86] boot parameters.
> 
> Cc: Alex Chiang <achiang@...com>
> Cc: Grant Grundler <grundler@...isc-linux.org>
> Cc: Greg KH <greg@...ah.com>
> Cc: Ingo Molnar <mingo@...e.hu>
> Cc: Jesse Barnes <jbarnes@...tuousgeek.org>
> Cc: Matthew Wilcox <matthew@....cx>
> Cc: Randy Dunlap <randy.dunlap@...cle.com>
> Cc: Roland Dreier <rdreier@...co.com>
> Signed-off-by: Yu Zhao <yu.zhao@...el.com>
> 
> ---
>  Documentation/kernel-parameters.txt |   10 ++++++++++
>  1 files changed, 10 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 53ba7c7..5482ae0 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -1677,6 +1677,16 @@ and is between 256 and 4096 characters. It is defined in the file
>  		cbmemsize=nn[KMG]	The fixed amount of bus space which is
>  				reserved for the CardBus bridge's memory
>  				window. The default value is 64 megabytes.
> +		assign-mmio=[dddd:]bb	[X86] reassign memory resources of all
> +				devices under bus [dddd:]bb (dddd is the domain
> +				number and bb is the bus number).
> +		assign-pio=[dddd:]bb	[X86] reassign io port resources of all
> +				devices under bus [dddd:]bb (dddd is the domain
> +				number and bb is the bus number).
> +		align-mmio=[dddd:]bb:dd.f  [X86] relocate memory resources of a
> +				device to minimum PAGE_SIZE alignment (dddd is
> +				the domain number and bb, dd and f is the bus,
> +				device and function number).
>  
>  	pcie_aspm=	[PCIE] Forcibly enable or disable PCIe Active State Power
>  			Management.

I think it's nicer to have the documentation change included in the
patch that implements the change.  For example, I think this and
patch 9/16 "add boot option to align ..." should be folded into
a single patch.  And similarly for the other documentation patches.

Bjorn

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