linux-kernel - Re: [PATCH v4 05/12] efi: export more efi table variable to sysfs

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Message-ID: <20131126085035.GC20917@pd.tnic>
Date:	Tue, 26 Nov 2013 09:50:35 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Dave Young <dyoung@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	x86@...nel.org, mjg59@...f.ucam.org, hpa@...or.com,
	James.Bottomley@...senPartnership.com, vgoyal@...hat.com,
	ebiederm@...ssion.com, horms@...ge.net.au,
	kexec@...ts.infradead.org, greg@...ah.com, matt@...sole-pimps.org,
	toshi.kani@...com
Subject: Re: [PATCH v4 05/12] efi: export more efi table variable to sysfs

On Tue, Nov 26, 2013 at 01:57:50PM +0800, Dave Young wrote:
> diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
> index 2e2fbde..5d85956 100644
> --- a/drivers/firmware/efi/efi.c
> +++ b/drivers/firmware/efi/efi.c
> @@ -32,6 +32,9 @@ struct efi __read_mostly efi = {
>  	.hcdp       = EFI_INVALID_TABLE_ADDR,
>  	.uga        = EFI_INVALID_TABLE_ADDR,
>  	.uv_systab  = EFI_INVALID_TABLE_ADDR,
> +	.fw_vendor  = EFI_INVALID_TABLE_ADDR,
> +	.runtime    = EFI_INVALID_TABLE_ADDR,
> +	.config_table  = EFI_INVALID_TABLE_ADDR,

See what I mean with alignment?

Now this config_table thing sticks out and completely destroys the
balance in the universe.

:-)

>  };
>  EXPORT_SYMBOL(efi);
>  
> @@ -71,13 +74,54 @@ static ssize_t systab_show(struct kobject *kobj,
>  static struct kobj_attribute efi_attr_systab =
>  			__ATTR(systab, 0400, systab_show, NULL);
>  
> +static ssize_t fw_vendor_show(struct kobject *kobj,
> +				struct kobj_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "0x%lx\n", efi.fw_vendor);
> +}
> +
> +static ssize_t runtime_show(struct kobject *kobj,
> +				struct kobj_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "0x%lx\n", efi.runtime);
> +}
> +
> +static ssize_t config_table_show(struct kobject *kobj,
> +				struct kobj_attribute *attr, char *buf)
> +{
> +	return sprintf(buf, "0x%lx\n", efi.config_table);
> +}

Those are sooo similar, it's like the macro SHOW writes itself.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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