linux-kernel - Re: [PATCH] x86, efi: Don't recursively acquire rtc

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Message-Id: <4E3C304B02000078000740C8@nat28.tlf.novell.com>
Date:	Fri, 05 Aug 2011 18:02:50 +0100
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<matt@...sole-pimps.org>, <johnstul@...ibm.com>
Cc:	<fenghua.yu@...el.com>, <tony.luck@...el.com>,
	<hpa@...ux.intel.com>, <mjg@...hat.com>, <a.zummo@...ertech.it>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86, efi: Don't recursively acquire rtc_lock

>>> Matt Fleming  08/04/11 5:37 PM >>>
>On Thu, 2011-08-04 at 03:22 -0700, john stultz wrote:
>> Sorry if this should be obvious, but is there a reason your not using
>> your own internal lock for serializing the efi bits rather then using
>> the rtc_lock?
>
>Jan wrote the original code that started using the rtc_lock inside the
>EFI bits here, ef68c8f87ed1 ("x86: Serialize EFI time accesses on
>rtc_lock").
>
>Jan?
 
Matthew Garrett already replied to this - it's (on x86) a requirement of the EFI spec.

Jan

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