linux-kernel - Re: [patch 5/9 v3] efi: export more efi table variable to sysfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20131123131518.GC24148@pd.tnic>
Date:	Sat, 23 Nov 2013 14:15:18 +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 5/9 v3] efi: export more efi table variable to sysfs

On Fri, Nov 22, 2013 at 10:48:50AM +0800, Dave Young wrote:
> > 	efi.config_table = (unsigned long)efi.systab->tables;
> > 	efi.fw_vendor	 = (unsigned long)efi.systab->fw_vendor;
> > 	efi.runtime	 = (unsigned long)efi.systab->runtime;
> 
> Hmm, UEFI spec mentions the them like below so I use the order:

I'm sure by now you know you should not really trust the UEFI spec, or
any other spec for that matter :)

> Several fields of the EFI System Table must be converted from
> physical pointers to virtual pointers using the ConvertPointer()
> service. These fields include FirmwareVendor, RuntimeServices,
> and ConfigurationTable.
> 
> But since you like the reverse I can change it in next version.

The reverse was simply a suggestion. The vertical alignment was more
what I aimed at because it makes this chunk much more readable IMO.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/