linux-kernel - Re: [Xen-devel] [PATCH] xen: remove XEN_PRIVILEGED

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Message-ID: <530B9FB6.6000909@gmail.com>
Date:	Mon, 24 Feb 2014 20:38:30 +0100
From:	Vladimir 'φ-coder/phcoder' Serbinenko 
	<phcoder@...il.com>
To:	Konrad Rzeszutek Wilk <konrad@...nok.org>,
	Paul Bolle <pebolle@...cali.nl>
CC:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	Richard Weinberger <richard@....at>, x86@...nel.org,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Michael Opdenacker <michael.opdenacker@...e-electrons.com>,
	xen-devel@...ts.xenproject.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>
Subject: Re: [Xen-devel] [PATCH] xen: remove XEN_PRIVILEGED_GUEST

On 24.02.2014 19:39, Konrad Rzeszutek Wilk wrote:
> On Tue, Feb 18, 2014 at 11:14:27AM +0100, Paul Bolle wrote:
>> On Mon, 2014-02-17 at 09:43 -0500, Konrad Rzeszutek Wilk wrote:
>>> On Mon, Feb 17, 2014 at 02:03:17PM +0100, Paul Bolle wrote:
>>>> On Mon, 2014-02-17 at 07:23 -0500, Konrad Rzeszutek Wilk wrote:
>>>>> On Feb 16, 2014 3:07 PM, Paul Bolle <pebolle@...cali.nl> wrote:
>>>>> Please look in the grub git tree. They have fixed their code to not do
>>>>> this anymore. This should be reflected in the patch description.
>>>>
>>>> Thanks, I didn't know that. That turned out to be grub commit
>>>> ec824e0f2a399ce2ab3a2e3353d372a236595059 ("Implement grub_file tool and
>>>> use it to implement generating of config"), see
>>>> http://git.savannah.gnu.org/cgit/grub.git/commit/util/grub.d/20_linux_xen.in?id=ec824e0f2a399ce2ab3a2e3353d372a236595059
>>
>> And that commit was reverted a week later in grub commit
>> faf4a65e1e1ce1d822d251c1e4b53d96ec7faec5 ("Revert grub-file usage in
>> grub-mkconfig."), see
>> http://git.savannah.gnu.org/cgit/grub.git/commit/util/grub.d/20_linux_xen.in?id=faf4a65e1e1ce1d822d251c1e4b53d96ec7faec5 .
>>
>> That commit has no explanation (other than its one line summary). So
>> we're left guessing why this was done. Luckily, it doesn't matter here,
>> because the test for CONFIG_XEN_PRIVILEGED_GUEST is superfluous.
> 
> How about we ask Vladimir?
> 
> Vladimir - could you shed some light on it? Thanks!
> 
CONFIG_XEN_PRIVILEGED_GUEST is not present on Linux even though it
should be. The test was removed to accomodate this.
The usage of grub-file was removed because it wasn't release-ready.
>>
>> Anyhow, I hope to submit a second version of this patch later this day.
>>
>>
>> Paul Bolle
>>
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@...ts.xen.org
>> http://lists.xen.org/xen-devel
> 



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