From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Andrew Fish <afish@apple.com>,
edk2-devel@lists.sourceforge.net,
Laszlo Ersek <lersek@redhat.com>,
linux-efi@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
lkml <linux-kernel@vger.kernel.org>,
David Woodhouse <dwmw2@infradead.org>
Subject: Re: [edk2] Corrupted EFI region
Date: Mon, 05 Aug 2013 14:37:08 -0700 [thread overview]
Message-ID: <52001B04.2050806@zytor.com> (raw)
In-Reply-To: <20130805181225.GH31845@pd.tnic>
On 08/05/2013 11:12 AM, Borislav Petkov wrote:
> On Mon, Aug 05, 2013 at 08:50:17AM -0700, Andrew Fish wrote:
>> AFAICT EFI pre-dates kexec merge into mainline by a number of years as
>> SetVirtualaddressMap() was part of EFI 1.0 (previous millennium)
>
> Ok, fair enough.
>
>> The EFI to UEFI conversion was placing EFI 1.10 into an industry
>> standard, UEFI 2.0. UEFI is an industry standard so some one just
>> needs to make a proposal to update the spec. The edk2 open source
>> project is not part of the standards body so complaining on this
>> mailing list is not going to get anything changed.
>
> Right, I don't think that even changing the spec would help - it would
> actually make things worse because then we'd have to differentiate
> between UEFI versions: those which can do SetVirtualaddressMap() more
> than once and the older ones.
>
> So let's drop the discussion here - it is what it is, it is too late to
> change anything. At least we talked about it. :-)
>
All of this would be a non-problem if there weren't buggy
implementations which can't run *without* SetVirtualAddressMap().
-=hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Borislav Petkov <bp@alien8.de>
Cc: linux-efi@vger.kernel.org, Gleb Natapov <gleb@redhat.com>,
David Woodhouse <dwmw2@infradead.org>,
edk2-devel@lists.sourceforge.net,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [edk2] Corrupted EFI region
Date: Mon, 05 Aug 2013 14:37:08 -0700 [thread overview]
Message-ID: <52001B04.2050806@zytor.com> (raw)
In-Reply-To: <20130805181225.GH31845@pd.tnic>
On 08/05/2013 11:12 AM, Borislav Petkov wrote:
> On Mon, Aug 05, 2013 at 08:50:17AM -0700, Andrew Fish wrote:
>> AFAICT EFI pre-dates kexec merge into mainline by a number of years as
>> SetVirtualaddressMap() was part of EFI 1.0 (previous millennium)
>
> Ok, fair enough.
>
>> The EFI to UEFI conversion was placing EFI 1.10 into an industry
>> standard, UEFI 2.0. UEFI is an industry standard so some one just
>> needs to make a proposal to update the spec. The edk2 open source
>> project is not part of the standards body so complaining on this
>> mailing list is not going to get anything changed.
>
> Right, I don't think that even changing the spec would help - it would
> actually make things worse because then we'd have to differentiate
> between UEFI versions: those which can do SetVirtualaddressMap() more
> than once and the older ones.
>
> So let's drop the discussion here - it is what it is, it is too late to
> change anything. At least we talked about it. :-)
>
All of this would be a non-problem if there weren't buggy
implementations which can't run *without* SetVirtualAddressMap().
-=hpa
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next prev parent reply other threads:[~2013-08-05 21:38 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-31 20:54 Corrupted EFI region Borislav Petkov
2013-07-31 20:54 ` Borislav Petkov
2013-07-31 20:58 ` Matthew Garrett
2013-07-31 20:58 ` Matthew Garrett
2013-07-31 21:51 ` Borislav Petkov
2013-07-31 21:51 ` Borislav Petkov
2013-07-31 21:54 ` Matthew Garrett
2013-07-31 21:54 ` Matthew Garrett
2013-08-01 16:51 ` Borislav Petkov
2013-08-01 16:51 ` Borislav Petkov
2013-07-31 21:55 ` David Woodhouse
2013-07-31 21:55 ` David Woodhouse
2013-08-01 16:49 ` Borislav Petkov
2013-08-01 16:49 ` Borislav Petkov
2013-08-05 11:27 ` [edk2] " Laszlo Ersek
2013-08-05 11:27 ` Laszlo Ersek
2013-08-05 13:02 ` Borislav Petkov
2013-08-05 13:02 ` Borislav Petkov
2013-08-05 13:39 ` Laszlo Ersek
2013-08-05 13:39 ` Laszlo Ersek
2013-08-05 14:03 ` Borislav Petkov
2013-08-05 14:03 ` Borislav Petkov
2013-08-05 14:27 ` Laszlo Ersek
2013-08-05 14:27 ` Laszlo Ersek
2013-08-05 14:40 ` Borislav Petkov
2013-08-05 14:40 ` Borislav Petkov
2013-08-05 15:15 ` Laszlo Ersek
2013-08-05 15:15 ` Laszlo Ersek
2013-08-05 15:34 ` James Bottomley
2013-08-05 15:34 ` James Bottomley
2013-08-05 16:27 ` Laszlo Ersek
2013-08-05 16:27 ` Laszlo Ersek
2013-08-05 16:12 ` Borislav Petkov
2013-08-05 16:12 ` Borislav Petkov
2013-08-05 16:41 ` Laszlo Ersek
2013-08-05 16:41 ` Laszlo Ersek
2013-08-05 16:47 ` Borislav Petkov
2013-08-05 16:47 ` Borislav Petkov
2013-08-05 17:00 ` Kinney, Michael D
2013-08-05 17:00 ` Kinney, Michael D
2013-08-05 17:09 ` Laszlo Ersek
2013-08-05 17:09 ` Laszlo Ersek
2013-08-05 21:26 ` Laszlo Ersek
2013-08-05 21:26 ` Laszlo Ersek
2013-08-05 22:08 ` Borislav Petkov
2013-08-05 22:08 ` Borislav Petkov
2013-08-06 14:10 ` Borislav Petkov
2013-08-06 14:10 ` Borislav Petkov
2013-08-06 15:31 ` Laszlo Ersek
2013-08-06 15:31 ` Laszlo Ersek
2013-08-07 15:19 ` Borislav Petkov
2013-08-07 17:23 ` Andrew Fish
2013-08-07 17:23 ` Andrew Fish
2013-08-07 20:19 ` Matt Fleming
2013-08-07 20:19 ` Matt Fleming
2013-08-07 20:24 ` Matt Fleming
2013-08-07 20:24 ` Matt Fleming
2013-08-07 21:10 ` Andrew Fish
2013-08-07 21:10 ` Andrew Fish
2013-08-07 21:23 ` Matthew Garrett
2013-08-08 10:17 ` Matt Fleming
2013-08-08 10:17 ` Matt Fleming
2013-08-08 13:46 ` Andrew Fish
2013-08-08 13:46 ` Andrew Fish
2013-09-02 8:19 ` Matt Fleming
2013-09-02 8:19 ` Matt Fleming
2013-09-13 20:38 ` jerry.hoemann
2013-09-13 20:38 ` jerry.hoemann-VXdhtT5mjnY
2013-09-16 10:59 ` Matt Fleming
2013-09-16 10:59 ` Matt Fleming
2013-09-16 11:50 ` Laszlo Ersek
2013-09-16 11:50 ` Laszlo Ersek
2013-09-16 15:57 ` Josh Triplett
2013-09-16 15:57 ` Josh Triplett
2013-09-16 16:25 ` Laszlo Ersek
2013-09-16 16:25 ` Laszlo Ersek
2013-09-16 16:27 ` Matthew Garrett
2013-09-16 16:27 ` Matthew Garrett
2013-09-16 16:29 ` Josh Triplett
2013-09-16 16:29 ` Josh Triplett
2013-09-18 19:24 ` jerry.hoemann
2013-09-18 19:24 ` jerry.hoemann-VXdhtT5mjnY
2013-09-20 9:06 ` Matt Fleming
2013-09-20 9:06 ` Matt Fleming
2013-08-07 17:49 ` Laszlo Ersek
2013-08-07 17:49 ` Laszlo Ersek
2013-08-08 15:02 ` Borislav Petkov
2013-08-08 15:02 ` Borislav Petkov
2013-08-08 21:45 ` Brian J. Johnson
2013-08-08 21:45 ` Brian J. Johnson
2013-08-18 7:33 ` Jordan Justen
2013-08-18 7:33 ` Jordan Justen
2013-08-05 15:50 ` Andrew Fish
2013-08-05 15:50 ` Andrew Fish
2013-08-05 18:12 ` Borislav Petkov
2013-08-05 18:12 ` Borislav Petkov
2013-08-05 21:37 ` H. Peter Anvin [this message]
2013-08-05 21:37 ` H. Peter Anvin
2013-08-05 21:41 ` Borislav Petkov
2013-08-05 21:41 ` Borislav Petkov
2013-08-05 21:49 ` H. Peter Anvin
2013-08-05 21:49 ` H. Peter Anvin
2013-08-05 21:55 ` Laszlo Ersek
2013-08-05 21:55 ` Laszlo Ersek
2013-08-05 22:52 ` James Bottomley
2013-08-05 22:52 ` James Bottomley
2013-08-06 7:26 ` Laszlo Ersek
2013-08-06 7:26 ` Laszlo Ersek
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