linux-kernel - Re: Why efi_set_rtc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Sat, 14 Jun 2014 19:32:58 +0200
From:	Daniel Kiper <daniel.kiper@...cle.com>
To:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
Cc:	linux-efi@...r.kernel.org, linux-kernel@...r.kernel.org,
	x86@...nel.org, xen-devel@...ts.xenproject.org,
	boris.ostrovsky@...cle.com, david.vrabel@...rix.com, hpa@...or.com,
	jbeulich@...e.com, konrad.wilk@...cle.com, matt.fleming@...el.com,
	mingo@...hat.com, tglx@...utronix.de
Subject: Re: Why efi_set_rtc_mmss() is never used?

On Mon, Jun 09, 2014 at 01:46:35PM +0100, One Thousand Gnomes wrote:
> On Mon, 9 Jun 2014 13:08:00 +0200
> Daniel Kiper <daniel.kiper@...cle.com> wrote:
>
> > Hi,
> >
> > As I can see efi_set_rtc_mmss() is never used to set RTC.
> > Even on EFI platform mach_set_rtc_mmss() is called and does
> > that thing. Why it is done in that way? It is a bug or it was
> > done intentionally. Am I missing something?
>
> EFI services generally don't work properly. The less they are used the
> better. We can realistically only make an EFI call with the same
> parameters windows does under the same kind of circumstances because the
> firmware on many motherboards is complete sh*te.

Thanks. Sadly it makes sens.

Daniel
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/