linux-kernel - Re: [PATCH] x86, efi: Don't recursively acquire 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] [thread-next>] [day] [month] [year] [list]

Message-ID: <1313486068.3436.116.camel@mfleming-mobl1.ger.corp.intel.com>
Date:	Tue, 16 Aug 2011 10:14:28 +0100
From:	Matt Fleming <matt@...sole-pimps.org>
To:	Jan Beulich <JBeulich@...ell.com>
Cc:	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>, hpa@...ux.intel.com,
	Avi Kivity <avi@...hat.com>, mjg@...hat.com,
	MarceloTosatti <mtosatti@...hat.com>,
	johnstultz <johnstul@...ibm.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86, efi: Don't recursively acquire rtc_lock

On Tue, 2011-08-16 at 07:22 +0100, Jan Beulich wrote:
> >>> On 15.08.11 at 20:18, Matt Fleming <matt@...sole-pimps.org> wrote:
> > On Wed, 2011-08-10 at 14:12 +0100, Jan Beulich wrote:
> >> Bottom line - the fix here is needed for 32-bit booting only (and
> >> hence isn't - afaic - as critical as I first thought). But the adjustment
> >> I'm holding is a necessary one (and I don't even understand why,
> >> when 32- and 64-bit EFI code got merged, this was left 32-bit only),
> >> and the NX consolidation change needs to be fixed too (basically as
> >> a prerequisite).
> > 
> > But the rtc-lock patch is independent and can be merged on its own,
> > right? Sure the other issues need fixing but there's no sense in holding
> > up the rtc-lock patch, since with it applied my machine actually boots.
> 
> Oh, yes, absolutely - I'm actually waiting for this one to get applied so
> that the enabling of the use of the EFI RTC routines on x86-64 won't
> cause the same problem there.

OK cool, thanks Jan. I suspect Ingo will pick this up, or Thomas once
he's worked through his email backlog ;-)

-- 
Matt Fleming, Intel Open Source Technology Center

--
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/