From: One Thousand Gnomes <gnomes-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org>
To: "H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
Cc: "Austin S Hemmelgarn"
<ahferroin7-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
"Matthew Garrett" <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
"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>
Subject: Re: [PATCH] rtc: Disable EFI rtc for x86
Date: Tue, 11 Nov 2014 11:38:31 +0000 [thread overview]
Message-ID: <20141111113831.1119720e@alan.etchedpixels.co.uk> (raw)
In-Reply-To: <546126FF.3070600-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
> > look further into the options I have set in my kernel build, I may have
> > changed something else without remembering between booting with and
> > without the CSM enabled.
> >
>
> It could also be that the non-CSM BIOS somehow remaps the CMOS registers.
I don't believe there is anything which prevents the CSM from faking a
CMOS clock using SMM from whatever is actually in the hardware.
Alan
next prev parent reply other threads:[~2014-11-11 11:38 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
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 [this message]
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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