Re: [PATCH 10/18] efi: Enable secure boot lockdown automaticallywhen enabled in firmware

[Pavel Machek]

On Thu 2013-08-22 19:01:49, Lee, Chun-Yi wrote:
> From: Matthew Garrett <mjg@xxxxxxxxxx>
> 
> The firmware has a set of flags that indicate whether secure boot is enabled
> and enforcing. Use them to indicate whether the kernel should lock itself
> down.  We also indicate the machine is in secure boot mode by adding the
> EFI_SECURE_BOOT bit for use with efi_enabled.

> +	status = efi_call_phys5(sys_table->runtime->get_variable,
> +				L"SecureBoot", &var_guid, NULL, &datasize, &sb);

What is this L"..." thing?
									Pavel

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