From: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
To: Austin S Hemmelgarn <ahferroin7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "Pali Rohár" <pali.rohar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"Matt Fleming"
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"Borislav Petkov" <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
"Mark Salter" <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"Alessandro Zummo"
<a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org>,
rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
"Dave Young" <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] rtc: Disable EFI rtc for x86
Date: Mon, 10 Nov 2014 17:04:17 +0000 [thread overview]
Message-ID: <20141110170417.GA17286@srcf.ucam.org> (raw)
In-Reply-To: <5460EB92.1090501-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
On Mon, Nov 10, 2014 at 11:45:06AM -0500, Austin S Hemmelgarn wrote:
> I agree, without it you need PC CMOS RTC support to access the RTC
> on most systems, which in turn means that you have to enable the CSM
> in the EFI firmware, which is annoying cause you can't easily dual
> boot windows with secure boot when the CSM is enabled.
CMOS RTC support doesn't depend on the CSM.
--
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org
next prev parent reply other threads:[~2014-11-10 17:04 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 12:32 [PATCH] rtc: Disable EFI rtc for x86 Matt Fleming
[not found] ` <1412339576-17972-1-git-send-email-matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-10-03 15:01 ` Mark Salter
[not found] ` <1412348517.5410.13.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-11-09 17:37 ` Pali Rohár
2014-11-09 18:22 ` Borislav Petkov
[not found] ` <20141109182231.GA29337-fF5Pk5pvG8Y@public.gmane.org>
2014-11-10 11:22 ` Matt Fleming
[not found] ` <1415618533.14686.239.camel-ZqTwcBeJ+wsBof6jY8KHXm7IUlhRatedral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2014-11-10 16:23 ` Pali Rohár
2014-11-10 16:45 ` Austin S Hemmelgarn
[not found] ` <5460EB92.1090501-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-10 17:04 ` Matthew Garrett [this message]
2014-11-10 20:37 ` Austin S Hemmelgarn
[not found] ` <5461220E.20605-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-11-10 20:58 ` H. Peter Anvin
[not found] ` <546126FF.3070600-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2014-11-10 21:26 ` Matthew Garrett
2014-11-11 11:38 ` One Thousand Gnomes
2014-11-11 11:46 ` Borislav Petkov
2014-11-11 11:53 ` Pali Rohár
2014-11-11 12:14 ` Austin S Hemmelgarn
2014-11-14 11:21 ` Pali Rohár
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