On Wed, Jun 19, 2013 at 11:27:42PM +0530, Naveen N. Rao wrote:
> Add a boot option to disable firmware first mode for corrected errors.
>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@xxxxxxxxxxxxxxxxxx>
> ---
> Documentation/x86/x86_64/boot-options.txt | 5 +++++
> arch/x86/include/asm/acpi.h | 2 ++
> arch/x86/kernel/acpi/boot.c | 5 +++++
> drivers/acpi/apei/hest.c | 3 ++-
> 4 files changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/x86/x86_64/boot-options.txt b/Documentation/x86/x86_64/boot-options.txt
> index e9e8ddb..1228b22 100644
> --- a/Documentation/x86/x86_64/boot-options.txt
> +++ b/Documentation/x86/x86_64/boot-options.txt
> @@ -176,6 +176,11 @@ ACPI
>
> acpi=noirq Don't route interrupts
>
> + acpi=nocmcff Disable firmware first mode for corrected errors. This
> + disables parsing the HEST CMC error source to check if
> + firmware has set the FF flag. This may result in
> + duplicate corrected error reports.
Ok, this option should be called something more vendor-agnostic like
acpi=noff
for example.
CMCI is Intel-specific and Firmware First is a generic way to say that
firmware would like to look at the errors first.
AMD has similar thing called error thresholding so...
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
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