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From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Len Brown <lenb@kernel.org>
Cc: x86@kernel.org, sfi-devel@simplefirmware.org,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	Feng Tang <feng.tang@intel.com>, Len Brown <len.brown@intel.com>
Subject: Re: [PATCH 03/12] SFI: document boot param "sfi=off"
Date: Tue, 28 Jul 2009 13:24:02 -0600	[thread overview]
Message-ID: <200907281324.03237.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <57dac60d76c191e3bd72f186833fac01e4c5f8f1.1247025117.git.len.brown@intel.com>

On Tuesday 07 July 2009 10:13:49 pm Len Brown wrote:
> From: Feng Tang <feng.tang@intel.com>
> 
> "sfi=off" is analogous to "acpi=off"
> 
> In practice, "sfi=off" isn't likely to be very useful, for
> 1. SFI is used only when ACPI is not available
> 2. Today's SFI systems are not legacy PC-compatible
> 
> ie. "sfi=off" on an ACPI-platform is a NO-OP,
> and "sfi=off" on an SFI-platform will likely result in boot failure.
> 
> Signed-off-by: Feng Tang <feng.tang@intel.com>
> Signed-off-by: Len Brown <len.brown@intel.com>
> ---
>  Documentation/kernel-parameters.txt |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)

I think the documentation update should be part of the patch
that changes the functionality, so the doc always matches the
code.

Bjorn

> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index d77fbd8..68337e6 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -92,6 +92,7 @@ parameter is applicable:
>  	SECURITY Different security models are enabled.
>  	SELINUX SELinux support is enabled.
>  	SERIAL	Serial support is enabled.
> +	SFI	Simple Firmware Interface
>  	SH	SuperH architecture is enabled.
>  	SMP	The kernel is an SMP kernel.
>  	SPARC	Sparc architecture is enabled.
> @@ -2162,6 +2163,10 @@ and is between 256 and 4096 characters. It is defined in the file
>  			If enabled at boot time, /selinux/disable can be used
>  			later to disable prior to initial policy load.
>  
> +	sfi=		[SFI,X86] Simple Firmware Interface
> +			Format: { "off" }
> +			off -- disable SFI
> +
>  	serialnumber	[BUGS=X86-32]
>  
>  	shapers=	[NET]



  reply	other threads:[~2009-07-28 19:24 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-08  4:13 [PATCH v2 for 2.6.32] SFI - Simple Firmware Interface support Len Brown
2009-07-08  4:13 ` [PATCH 01/12] SFI: Simple Firmware Interface - new MAINTAINERS entry Len Brown
2009-07-08  4:13   ` [PATCH 02/12] SFI, x86: add CONFIG_SFI Len Brown
2009-07-10  5:23     ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 03/12] SFI: document boot param "sfi=off" Len Brown
2009-07-28 19:24     ` Bjorn Helgaas [this message]
2009-07-28 19:52       ` Len Brown
2009-07-08  4:13   ` [PATCH 04/12] SFI: create include/linux/sfi.h Len Brown
2009-07-10  6:48     ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 05/12] SFI: add core support Len Brown
2009-07-10  7:40     ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 06/12] ACPI, x86: remove ACPI dependency on some IO-APIC routines Len Brown
2009-07-10  6:51     ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 07/12] SFI: add x86 support Len Brown
2009-07-10  6:37     ` Ingo Molnar
2009-07-10  6:48       ` Feng Tang
2009-07-08  4:13   ` [PATCH 08/12] SFI, x86: hook e820() for memory map initialization Len Brown
2009-07-08 21:37     ` H. Peter Anvin
2009-07-09  1:11       ` Feng Tang
2009-07-09  3:57         ` H. Peter Anvin
2009-07-08  4:13   ` [PATCH 09/12] SFI: Enable SFI to parse ACPI tables Len Brown
2009-07-10  6:10     ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 10/12] ACPI: check acpi_disabled in acpi_table_parse() Len Brown
2009-07-08  4:13   ` [PATCH 11/12] SFI, PCI: Hook MMCONFIG Len Brown
2009-07-10  5:52     ` Ingo Molnar
2009-07-10  7:17       ` Feng Tang
2009-07-10 11:14         ` Ingo Molnar
2009-07-08  4:13   ` [PATCH 12/12] SFI: add boot-time initialization hooks Len Brown
2009-07-10  5:18 ` [PATCH v2 for 2.6.32] SFI - Simple Firmware Interface support Ingo Molnar
2009-07-11  1:01   ` Len Brown
2009-07-11  8:26     ` Ingo Molnar

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