linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Matthew Garrett <mjg@redhat.com>
To: Jan Beulich <JBeulich@novell.com>
Cc: mingo@elte.hu, tglx@linutronix.de, hpa@zytor.com,
	rtc-linux@googlegroups.com, dannf@hp.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: enable rtc-efi
Date: Tue, 5 Jul 2011 19:02:27 +0100	[thread overview]
Message-ID: <20110705180227.GD30531@srcf.ucam.org> (raw)
In-Reply-To: <4E12DBAB020000780004C1B2@nat28.tlf.novell.com>

On Tue, Jul 05, 2011 at 08:38:51AM +0100, Jan Beulich wrote:
> Besides a Kconfig change this just requires creating a respective
> platform device.

"During runtime, if a PC-AT CMOS device is present in the platform the 
caller must synchronize access to the device before calling GetTime()."

This shouldn't be enabled on PC hardware without locking to avoid races 
with direct ahrdware access.

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

  reply	other threads:[~2011-07-05 18:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-07-05  7:38 [PATCH] x86: enable rtc-efi Jan Beulich
2011-07-05 18:02 ` Matthew Garrett [this message]
2011-07-05 18:29 ` Matthew Garrett
2011-07-06  7:09   ` Jan Beulich
2011-07-06 11:42     ` Matthew Garrett
     [not found] <4E16B5DB0200007800072A2D@nat28.tlf.novell.com>
2011-07-08  7:09 ` Matthew Garrett

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20110705180227.GD30531@srcf.ucam.org \
    --to=mjg@redhat.com \
    --cc=JBeulich@novell.com \
    --cc=dannf@hp.com \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=rtc-linux@googlegroups.com \
    --cc=tglx@linutronix.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).