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]
next prev parent 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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