linux-kernel - Re: [PATCH, resend] x86: enable rtc-efi

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]

Date:	Tue, 15 May 2012 14:36:18 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Matthew Garrett" <mjg59@...f.ucam.org>
Cc:	<dannf@...nf.org>, <mingo@...e.hu>, <tglx@...utronix.de>,
	<matt.fleming@...ux.intel.com>, <linux-kernel@...r.kernel.org>,
	<hpa@...or.com>
Subject: Re: [PATCH, resend] x86: enable rtc-efi

>>> On 15.05.12 at 15:26, Matthew Garrett <mjg59@...f.ucam.org> wrote:
> On Tue, May 15, 2012 at 02:22:53PM +0100, Jan Beulich wrote:
> 
>> I don't think so - the two drivers could end up manipulating the
>> same piece of hardware, without synchronization. rtc-cmos
>> really should bail when loaded on an EFI-enabled system.
> 
> That's why we're taking the rtc lock.

Which is completely bogus imo (i.e. it should be a goal to remove
this).

Jan

--
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/