From: Matthew Garrett <matthew.garrett-05XSO3Yj/JvQT0dZR+AlfA@public.gmane.org>
To: Russ Anderson <rja-sJ/iWh9BUns@public.gmane.org>
Cc: Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
"matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org"
<matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
"linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org"
<x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Ingo Molnar <mingo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
"H. Peter Anvin" <hpa-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>,
Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code
Date: Fri, 24 May 2013 20:11:01 +0000 [thread overview]
Message-ID: <1369426255.2217.9.camel@x230> (raw)
In-Reply-To: <20130524200539.GA3322-sJ/iWh9BUns@public.gmane.org>
On Fri, 2013-05-24 at 15:05 -0500, Russ Anderson wrote:
> One other data point is if the query_variable_info call is hacked to
> remove one of the EFI flags (ie comment out EFI_VARIABLE_BOOTSERVICE_ACCESS)
> the efi_call_phys4() call fails with EFI_INVALID_PARAMETER and
> the system boots. Of course it does not create /sys/firmware/efivars
> entries and complains "[Firmware Bug]: efi: Inconsistent initial sizes".
> But at least it boots.
EFI_VARIABLE_RUNTIME_ACCESS is only legal if
EFI_VARIABLE_BOOTSERVICE_ACCESS is set, so it's correct to throw
EFI_INVALID_PARAMETER there.
--
Matthew Garrett | mjg59@srcf.ucam.org
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Garrett <matthew.garrett@nebula.com>
To: Russ Anderson <rja@sgi.com>
Cc: Matt Fleming <matt@console-pimps.org>,
"matt.fleming@intel.com" <matt.fleming@intel.com>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@linux.intel.com>,
Borislav Petkov <bp@alien8.de>
Subject: Re: [regression, bisected] x86: efi: Pass boot services variable info to runtime code
Date: Fri, 24 May 2013 20:11:01 +0000 [thread overview]
Message-ID: <1369426255.2217.9.camel@x230> (raw)
In-Reply-To: <20130524200539.GA3322@sgi.com>
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 787 bytes --]
On Fri, 2013-05-24 at 15:05 -0500, Russ Anderson wrote:
> One other data point is if the query_variable_info call is hacked to
> remove one of the EFI flags (ie comment out EFI_VARIABLE_BOOTSERVICE_ACCESS)
> the efi_call_phys4() call fails with EFI_INVALID_PARAMETER and
> the system boots. Of course it does not create /sys/firmware/efivars
> entries and complains "[Firmware Bug]: efi: Inconsistent initial sizes".
> But at least it boots.
EFI_VARIABLE_RUNTIME_ACCESS is only legal if
EFI_VARIABLE_BOOTSERVICE_ACCESS is set, so it's correct to throw
EFI_INVALID_PARAMETER there.
--
Matthew Garrett | mjg59@srcf.ucam.org
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next prev parent reply other threads:[~2013-05-24 20:11 UTC|newest]
Thread overview: 116+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-22 16:27 [regression, bisected] x86: efi: Pass boot services variable info to runtime code Russ Anderson
2013-05-22 16:27 ` Russ Anderson
[not found] ` <20130522162747.GA20816-sJ/iWh9BUns@public.gmane.org>
2013-05-23 11:58 ` Matt Fleming
2013-05-23 11:58 ` Matt Fleming
[not found] ` <20130523115801.GJ14575-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-05-23 20:32 ` Russ Anderson
2013-05-23 20:32 ` Russ Anderson
[not found] ` <20130523203234.GD20913-sJ/iWh9BUns@public.gmane.org>
2013-05-24 7:43 ` Matt Fleming
2013-05-24 7:43 ` Matt Fleming
[not found] ` <20130524074331.GL14575-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-05-24 11:09 ` Borislav Petkov
2013-05-24 11:09 ` Borislav Petkov
[not found] ` <20130524110911.GA32220-K5JNixvcfoxupOikMc4+xw@public.gmane.org>
2013-05-24 11:40 ` Matt Fleming
2013-05-24 11:40 ` Matt Fleming
2013-05-24 16:11 ` Robin Holt
2013-05-24 16:11 ` Robin Holt
[not found] ` <20130524161111.GE3672-sJ/iWh9BUns@public.gmane.org>
2013-05-24 17:02 ` Russ Anderson
2013-05-24 17:02 ` Russ Anderson
[not found] ` <20130524170214.GA30179-sJ/iWh9BUns@public.gmane.org>
2013-05-24 21:05 ` Dave Jones
2013-05-24 21:05 ` Dave Jones
[not found] ` <20130524210534.GA15466-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-05-27 4:27 ` joeyli
2013-05-27 4:27 ` joeyli
[not found] ` <1369628832.19026.22.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
2013-05-27 4:32 ` joeyli
2013-05-27 4:32 ` joeyli
2013-05-28 2:43 ` Russ Anderson
2013-05-28 2:43 ` Russ Anderson
2013-05-24 20:05 ` Russ Anderson
2013-05-24 20:05 ` Russ Anderson
[not found] ` <20130524200539.GA3322-sJ/iWh9BUns@public.gmane.org>
2013-05-24 20:11 ` Matthew Garrett [this message]
2013-05-24 20:11 ` Matthew Garrett
2013-05-24 20:49 ` Russ Anderson
2013-05-24 20:49 ` Russ Anderson
[not found] ` <20130524204937.GB3322-sJ/iWh9BUns@public.gmane.org>
2013-05-28 10:50 ` Matt Fleming
2013-05-28 10:50 ` Matt Fleming
2013-05-28 10:53 ` Matt Fleming
2013-05-28 10:53 ` Matt Fleming
2013-05-28 8:35 ` Ingo Molnar
2013-05-28 8:35 ` Ingo Molnar
2013-05-29 21:01 ` Russ Anderson
2013-05-29 21:01 ` Russ Anderson
[not found] ` <20130529210115.GC28027-sJ/iWh9BUns@public.gmane.org>
2013-05-29 22:22 ` Jiri Kosina
2013-05-29 22:22 ` Jiri Kosina
[not found] ` <alpine.LRH.2.00.1305300018180.1111-1ReQVI26iDCaZKY3DrU6dA@public.gmane.org>
2013-05-29 22:46 ` Russ Anderson
2013-05-29 22:46 ` Russ Anderson
[not found] ` <20130529224645.GA16582-sJ/iWh9BUns@public.gmane.org>
2013-05-29 22:53 ` Jiri Kosina
2013-05-29 22:53 ` Jiri Kosina
[not found] ` <alpine.LNX.2.00.1305300048520.30576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2013-05-30 2:16 ` joeyli
2013-05-30 2:16 ` joeyli
[not found] ` <1369880172.17397.11.camel-ONCj+Eqt86TasUa73XJKwA@public.gmane.org>
2013-05-30 22:17 ` Russ Anderson
2013-05-30 22:17 ` Russ Anderson
[not found] ` <20130530221737.GA11105-sJ/iWh9BUns@public.gmane.org>
2013-05-30 22:21 ` Matthew Garrett
2013-05-30 22:21 ` Matthew Garrett
2013-05-30 22:28 ` Russ Anderson
2013-05-30 22:28 ` Russ Anderson
[not found] ` <20130530222836.GB11105-sJ/iWh9BUns@public.gmane.org>
2013-05-30 22:30 ` Jiri Kosina
2013-05-30 22:30 ` Jiri Kosina
[not found] ` <alpine.LNX.2.00.1305310029560.30576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2013-05-31 2:17 ` Russ Anderson
2013-05-31 2:17 ` Russ Anderson
[not found] ` <20130531021749.GA24287-sJ/iWh9BUns@public.gmane.org>
2013-05-31 3:28 ` joeyli
2013-05-31 3:28 ` joeyli
2013-05-30 22:32 ` Matthew Garrett
2013-05-30 22:32 ` Matthew Garrett
2013-05-31 2:54 ` Russ Anderson
2013-05-31 2:54 ` Russ Anderson
2013-05-31 10:06 ` Ingo Molnar
2013-05-30 22:25 ` Jiri Kosina
2013-05-30 22:25 ` Jiri Kosina
[not found] ` <alpine.LNX.2.00.1305310023020.30576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2013-05-31 10:12 ` Ingo Molnar
2013-05-31 10:12 ` Ingo Molnar
[not found] ` <20130531101250.GD30394-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-05-31 11:06 ` Jiri Kosina
2013-05-31 11:06 ` Jiri Kosina
[not found] ` <alpine.LNX.2.00.1305311259520.30576-ztGlSCb7Y1iN3ZZ/Hiejyg@public.gmane.org>
2013-05-31 11:40 ` Ingo Molnar
2013-05-31 11:40 ` Ingo Molnar
[not found] ` <20130531114037.GC7131-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-05-31 11:54 ` Josh Boyer
2013-05-31 11:54 ` Josh Boyer
2013-05-31 12:30 ` Borislav Petkov
2013-05-31 12:30 ` Borislav Petkov
[not found] ` <20130531123015.GC17843-K5JNixvcfoxupOikMc4+xw@public.gmane.org>
2013-05-31 12:43 ` Ingo Molnar
2013-05-31 12:43 ` Ingo Molnar
[not found] ` <20130531124356.GA8212-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-05-31 14:34 ` Matthew Garrett
2013-05-31 14:34 ` Matthew Garrett
[not found] ` <20130531143425.GA5850-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-05-31 14:42 ` James Bottomley
2013-05-31 14:42 ` James Bottomley
[not found] ` <1370011357.1913.15.camel-sFMDBYUN5F8GjUHQrlYNx2Wm91YjaHnnhRte9Li2A+AAvxtiuMwx3w@public.gmane.org>
2013-05-31 14:45 ` H. Peter Anvin
2013-05-31 14:45 ` H. Peter Anvin
2013-05-31 14:48 ` Matthew Garrett
2013-05-31 14:48 ` Matthew Garrett
2013-05-31 15:43 ` Russ Anderson
[not found] ` <20130531154348.GA17145-sJ/iWh9BUns@public.gmane.org>
2013-05-31 16:28 ` Matthew Garrett
2013-05-31 16:28 ` Matthew Garrett
[not found] ` <20130531162815.GA8082-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-05-31 17:35 ` James Bottomley
2013-05-31 17:35 ` James Bottomley
2013-05-31 22:57 ` Russ Anderson
2013-05-31 22:57 ` Russ Anderson
[not found] ` <20130531225730.GB14752-sJ/iWh9BUns@public.gmane.org>
2013-05-31 22:59 ` H. Peter Anvin
2013-05-31 22:59 ` H. Peter Anvin
2013-05-31 23:30 ` Jiri Kosina
2013-05-31 23:30 ` Jiri Kosina
2013-06-01 0:03 ` Matthew Garrett
2013-06-01 0:03 ` Matthew Garrett
[not found] ` <20130601000311.GA15126-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
2013-06-01 4:20 ` Russ Anderson
2013-06-01 4:20 ` Russ Anderson
[not found] ` <20130601042058.GB15199-sJ/iWh9BUns@public.gmane.org>
2013-06-01 4:41 ` Matthew Garrett
2013-06-01 4:41 ` Matthew Garrett
2013-06-01 11:01 ` Linus Torvalds
2013-06-01 11:01 ` Linus Torvalds
[not found] ` <alpine.LFD.2.03.1306011956350.9068-OR3hLWCBCApQetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>
2013-06-01 14:40 ` Matthew Garrett
2013-06-01 14:40 ` Matthew Garrett
2013-05-30 2:38 ` joeyli
2013-05-30 2:38 ` joeyli
2013-05-23 22:23 ` Russ Anderson
2013-05-23 22:23 ` Russ Anderson
[not found] ` <20130523222321.GB31880-sJ/iWh9BUns@public.gmane.org>
2013-05-24 7:45 ` Matt Fleming
2013-05-24 7:45 ` Matt Fleming
[not found] ` <20130524074544.GM14575-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-05-29 20:16 ` Russ Anderson
2013-05-29 20:16 ` Russ Anderson
[not found] ` <20130529201616.GB28027-sJ/iWh9BUns@public.gmane.org>
2013-05-31 14:41 ` H. Peter Anvin
2013-05-31 14:41 ` H. Peter Anvin
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