From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Austin S Hemmelgarn <ahferroin7@gmail.com>
Cc: "Pali Rohár" <pali.rohar@gmail.com>,
"Matt Fleming" <matt.fleming@intel.com>,
"Borislav Petkov" <bp@alien8.de>,
"Mark Salter" <msalter@redhat.com>,
"Alessandro Zummo" <a.zummo@towertech.it>,
rtc-linux@googlegroups.com, linux-efi@vger.kernel.org,
linux-kernel@vger.kernel.org, "Dave Young" <dyoung@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>
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@gmail.com>
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@srcf.ucam.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 Matt Fleming
2014-10-03 15:01 ` Mark Salter
2014-11-09 17:37 ` Pali Rohár
2014-11-09 18:22 ` Borislav Petkov
2014-11-10 11:22 ` Matt Fleming
2014-11-10 16:23 ` Pali Rohár
2014-11-10 16:45 ` Austin S Hemmelgarn
2014-11-10 17:04 ` Matthew Garrett [this message]
2014-11-10 20:37 ` Austin S Hemmelgarn
2014-11-10 20:58 ` H. Peter Anvin
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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