From: Mark Salter <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Leif Lindholm <leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: Matt Fleming
<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org,
roy.franz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
Subject: Re: [PATCH v2 2/3] arm: Add [U]EFI runtime services support
Date: Thu, 17 Oct 2013 12:58:34 -0400 [thread overview]
Message-ID: <1382029114.1768.10.camel@deneb.redhat.com> (raw)
In-Reply-To: <20131017143121.GJ1557-GZEopFhza0F985/tl1ce8aaDwS/vmuI7@public.gmane.org>
On Thu, 2013-10-17 at 16:31 +0200, Leif Lindholm wrote:
> On Thu, Oct 17, 2013 at 03:07:39PM +0100, Matt Fleming wrote:
> > > +/*
> > > + * If you need to (temporarily) support buggy firmware.
> > > + */
> > > +#define KEEP_BOOT_SERVICES_REGIONS
> >
> > Have you seen firmware that requires this? I'm just curious more than
> > anything else.
>
> Not really.
> I _think_ I saw it on a debug build of a development platform once.
> That coincided with me seeing a post on linux-efi about some laptop
> that broke unless boot services regions were preserved, so I decided
> to put it in there for any future debugging.
>
I see a fairly consistent segfault when the arm64 kernel calls the
SetVirtualAddressMap function. It doesn't happen when the boot services
regions are included in the mapping. This is with edk2 firmware. I
haven't really dug into where it goes wrong.
next prev parent reply other threads:[~2013-10-17 16:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-03 11:24 [PATCH v2 0/3] arm: [U]EFI runtime services support Leif Lindholm
2013-10-03 11:24 ` [PATCH v2 1/3] Documentation: arm: add UEFI support documentation Leif Lindholm
2013-10-03 16:11 ` Rob Herring
[not found] ` <524D9726.6080501-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-03 17:18 ` Leif Lindholm
[not found] ` <20131003171800.GC1557-GZEopFhza0F985/tl1ce8aaDwS/vmuI7@public.gmane.org>
2013-10-04 12:54 ` Mark Rutland
2013-10-03 17:10 ` Mark Rutland
[not found] ` <20131003171053.GB6999-NuALmloUBlrZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>
2013-10-03 19:44 ` Leif Lindholm
2013-10-03 11:24 ` [PATCH v2 2/3] arm: Add [U]EFI runtime services support Leif Lindholm
[not found] ` <1380799481-5470-3-git-send-email-leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-10-17 14:07 ` Matt Fleming
[not found] ` <20131017140739.GI10834-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2013-10-17 14:31 ` Leif Lindholm
[not found] ` <20131017143121.GJ1557-GZEopFhza0F985/tl1ce8aaDwS/vmuI7@public.gmane.org>
2013-10-17 16:58 ` Mark Salter [this message]
2013-10-03 11:24 ` [PATCH v2 3/3] init: efi: arm: enable (U)EFI runtime services on arm Leif Lindholm
[not found] ` <1380799481-5470-1-git-send-email-leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2013-11-15 18:04 ` [PATCH v2 0/3] arm: [U]EFI runtime services support Olof Johansson
[not found] ` <CAOesGMh+2Qs_cVMtdkpyXR44NJkQscs0eP_=pxwKXHkopaAKog-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-11-15 18:54 ` Leif Lindholm
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