From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Jan Beulich <JBeulich@suse.com>
Cc: dannf@dannf.org, mingo@elte.hu, tglx@linutronix.de,
matt.fleming@linux.intel.com, linux-kernel@vger.kernel.org,
hpa@zytor.com
Subject: Re: [PATCH, resend] x86: enable rtc-efi
Date: Tue, 15 May 2012 14:40:17 +0100 [thread overview]
Message-ID: <20120515134017.GA26656@srcf.ucam.org> (raw)
In-Reply-To: <4FB277F20200007800083D5B@nat28.tlf.novell.com>
On Tue, May 15, 2012 at 02:36:18PM +0100, Jan Beulich wrote:
> >>> On 15.05.12 at 15:26, Matthew Garrett <mjg59@srcf.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).
Sure, once we've fixed the EFI clock and made sure that there's no
lingering accesses to the old nvram.
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2012-05-15 13:40 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 12:08 [PATCH, resend] x86: enable rtc-efi Jan Beulich
2012-05-15 12:38 ` Matthew Garrett
2012-05-15 12:41 ` Matt Fleming
2012-05-15 12:50 ` Matthew Garrett
2012-05-15 13:08 ` Jan Beulich
2012-05-15 13:16 ` Matthew Garrett
2012-05-15 13:22 ` Jan Beulich
2012-05-15 13:26 ` Matthew Garrett
2012-05-15 13:36 ` Jan Beulich
2012-05-15 13:40 ` Matthew Garrett [this message]
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