linux-kernel - Re: [PATCH]efi: initialize efi.runtime_version to make query_variable_info/update

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Message-ID: <20120724163426.GA20961@srcf.ucam.org>
Date:	Tue, 24 Jul 2012 17:34:26 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Seiji Aguchi <seiji.aguchi@....com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"x86@...nel.org" <x86@...nel.org>,
	"Thomas Gleixner (tglx@...utronix.de)" <tglx@...utronix.de>,
	"'mingo@...e.hu' (mingo@...e.hu)" <mingo@...e.hu>,
	"H. Peter Anvin (hpa@...ux.intel.com)" <hpa@...ux.intel.com>,
	"matt.fleming@...el.com" <matt.fleming@...el.com>,
	"olof@...om.net" <olof@...om.net>,
	"Paul Gortmaker (paul.gortmaker@...driver.com)" 
	<paul.gortmaker@...driver.com>,
	"dle-develop@...ts.sourceforge.net" 
	<dle-develop@...ts.sourceforge.net>,
	Satoru Moriya <satoru.moriya@....com>
Subject: Re: [PATCH]efi: initialize efi.runtime_version to make
 query_variable_info/update_capsule workable

On Tue, Jul 24, 2012 at 01:27:23PM +0000, Seiji Aguchi wrote:
> A value of efi.runtime_version is checked before calling 
> update_capsule()/query_variable_info() as follows.
> But it isn't initialized anywhere.
> 
> <snip>
> static efi_status_t virt_efi_query_variable_info(u32 attr,
>                                                  u64 *storage_space,
>                                                  u64 *remaining_space,
>                                                  u64 *max_variable_size)
> {
>         if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION)
>                 return EFI_UNSUPPORTED;
> <snip>
> 
> This patch initializes a value of efi.runtime_version at boot time.
> 
>  Signed-off-by: Seiji Aguchi <seiji.aguchi@....com>

I could have sworn that something equivalent had been posted before, 
but:

Acked-by: Matthew Garrett <mjg@...hat.com>

-- 
Matthew Garrett | mjg59@...f.ucam.org
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