On Wed, 17 Apr 2013, Richard Weinberger wrote:
> Using this parameter one can disable the storage_size/2 check if
> he is really sure that the UEFI does sane gc and fulfills the spec.
>
> This parameter is useful if a devices uses more than 50% of the
> storage by default.
> The Intel DQSW67 desktop board is such a sucker for exmaple.
>
> Signed-off-by: Richard Weinberger <richard@xxxxxx>
> ---
> Documentation/kernel-parameters.txt | 6 ++++++
> arch/x86/platform/efi/efi.c | 15 ++++++++++++++-
> 2 files changed, 20 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index 4609e81..d1cc3a9 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -788,6 +788,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> edd= [EDD]
> Format: {"off" | "on" | "skip[mbr]"}
>
> + efi_no_storage_paranoia [EFI; X86]
> + Using this parameter you can use more than 50% of
> + your efi variable storage. Use this parameter only if
> + you are really sure that your UEFI does sane gc and
> + fulfills the spec otherwise your board may brick.
> +
> eisa_irq_edge= [PARISC,HW]
> See header of drivers/parisc/eisa.c.
>
> diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
> index 4959e3f..07524e1 100644
> --- a/arch/x86/platform/efi/efi.c
> +++ b/arch/x86/platform/efi/efi.c
> @@ -113,6 +113,16 @@ static int __init setup_add_efi_memmap(char *arg)
> }
> early_param("add_efi_memmap", setup_add_efi_memmap);
>
> +static bool efi_no_storage_paranoia;
> +EXPORT_SYMBOL_GPL(efi_no_storage_paranoia);
Is there any particular reason to export this symbol?
--
Jiri Kosina
SUSE Labs
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