From: Matt Fleming <matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
To: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
Linux EFI <linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
James Bottomley
<James.Bottomley-d9PhHud1JfjCXq6kfMZ53/egYHeGw8Jk@public.gmane.org>,
Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>,
Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
LKML <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
X86 ML <x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 10/11] EFI: Runtime services virtual mapping
Date: Fri, 1 Nov 2013 12:50:57 +0000 [thread overview]
Message-ID: <20131101125057.GA21688@console-pimps.org> (raw)
In-Reply-To: <20131101033508.GA13527-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
On Fri, 01 Nov, at 11:35:08AM, Dave Young wrote:
> > The conflict is caused by missing one commit in matt's efi next tree:
> >
> > commit 700870119f49084da004ab588ea2b799689efaf7
> > Author: Josh Boyer <jwboyer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> > Date: Thu Apr 18 07:51:34 2013 -0700
> >
> > x86, efi: Don't map Boot Services on i386
> >
> > Add patch to fix 32bit EFI service mapping (rhbz 726701)
> >
> > Multiple people are reporting hitting the following WARNING on i386,
> >
> > WARNING: at arch/x86/mm/ioremap.c:102 __ioremap_caller+0x3d3/0x440()
> > Modules linked in:
> > Pid: 0, comm: swapper Not tainted 3.9.0-rc7+ #95
>
> Rethinking about above commit, it is actually a workaround for
> mapping boot service, I suspect the problem connect to the off-by-one
> problem in boot service reserve function. Matt, idea?
No, it's not the same problem. And just to make absolutely sure I
reverted the above commit and applied your patch, but I still see the
WARN_ON() described above.
--
Matt Fleming, Intel Open Source Technology Center
next prev parent reply other threads:[~2013-11-01 12:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-31 16:24 [PATCH 00/11] EFI runtime services virtual mapping, vN++ Borislav Petkov
2013-10-31 16:24 ` [PATCH 01/11] efi: Simplify EFI_DEBUG Borislav Petkov
2013-10-31 16:25 ` [PATCH 02/11] x86, pageattr: Lookup address in an arbitrary PGD Borislav Petkov
[not found] ` <1383236709-19716-1-git-send-email-bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
2013-10-31 16:25 ` [PATCH 03/11] x86, pageattr: Add a PGD pagetable populating function Borislav Petkov
2013-10-31 16:25 ` [PATCH 04/11] x86, pageattr: Add a PUD " Borislav Petkov
2013-10-31 16:25 ` [PATCH 06/11] x86, pageattr: Add a PTE " Borislav Petkov
2013-10-31 16:25 ` [PATCH 07/11] x86, pageattr: Add a PUD error unwinding path Borislav Petkov
2013-10-31 16:25 ` [PATCH 08/11] x86, pageattr: Add last levels of error path Borislav Petkov
2013-10-31 16:25 ` [PATCH 05/11] x86, pageattr: Add a PMD pagetable populating function Borislav Petkov
2013-10-31 16:25 ` [PATCH 09/11] x86, cpa: Map in an arbitrary pgd Borislav Petkov
2013-10-31 16:25 ` [PATCH 10/11] EFI: Runtime services virtual mapping Borislav Petkov
[not found] ` <1383236709-19716-11-git-send-email-bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>
2013-11-01 3:25 ` Dave Young
[not found] ` <20131101032551.GC4378-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2013-11-01 3:35 ` Dave Young
[not found] ` <20131101033508.GA13527-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2013-11-01 12:50 ` Matt Fleming [this message]
[not found] ` <20131101125057.GA21688-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-11-03 12:35 ` Dave Young
2013-11-03 12:31 ` Dave Young
[not found] ` <20131103123115.GA5313-je1gSBvt1TcFLmT5oZ11vB/sF2h8X+2i0E9HWUfgJXw@public.gmane.org>
2013-11-04 9:18 ` Matt Fleming
2013-10-31 16:25 ` [PATCH 11/11] efi: Check krealloc return value Borislav Petkov
2013-11-04 9:21 ` [PATCH 00/11] EFI runtime services virtual mapping, vN++ Matt Fleming
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