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From: Matthew Garrett <mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org>
To: David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Cc: Borislav Petkov <bp-Gina5bIWoIWzQB+pC5nmwQ@public.gmane.org>,
	"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
	Matt Fleming
	<matt-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>,
	linux-efi <linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: EFI runtime and kexec
Date: Fri, 1 Mar 2013 23:36:35 +0000	[thread overview]
Message-ID: <20130301233635.GA8464@srcf.ucam.org> (raw)
In-Reply-To: <1362180853.29011.6.camel-Fexsq3y4057IgHVZqg5X0TlWvGAXklZc@public.gmane.org>

On Fri, Mar 01, 2013 at 11:34:13PM +0000, David Woodhouse wrote:

> Oh, I meant to mention: Matthew once told me about a bizarre issue on
> MacBook firmware, iirc. Some stuff doesn't work if the virtual address
> is above 2GiB. Or below 2GiB. I don't really remember what Matthew told
> me at all, to be honest. Only that Here Be Dragons and we don't quite
> have free rein about where we place stuff. But I suspect we ought to be
> able to find *somewhere* in the user address space that works, even for
> 32-bit kernels.

Apple's enough of a special case that I've no objection to 
special-casing them.

-- 
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org

  parent reply	other threads:[~2013-03-01 23:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20130301213903.GI30938@pd.tnic>
     [not found] ` <20130301213903.GI30938-fF5Pk5pvG8Y@public.gmane.org>
2013-03-01 22:32   ` EFI runtime and kexec H. Peter Anvin
     [not found]     ` <51312C8F.8000503-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-03-01 22:53       ` Borislav Petkov
     [not found]         ` <20130301225303.GK30938-fF5Pk5pvG8Y@public.gmane.org>
2013-03-01 22:58           ` H. Peter Anvin
     [not found]             ` <513132B0.3050308-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-03-01 23:07               ` Borislav Petkov
     [not found]                 ` <20130301230733.GL30938-fF5Pk5pvG8Y@public.gmane.org>
2013-03-01 23:30                   ` David Woodhouse
     [not found]                     ` <1362180625.29011.4.camel-Fexsq3y4057IgHVZqg5X0TlWvGAXklZc@public.gmane.org>
2013-03-01 23:34                       ` David Woodhouse
     [not found]                         ` <1362180853.29011.6.camel-Fexsq3y4057IgHVZqg5X0TlWvGAXklZc@public.gmane.org>
2013-03-01 23:36                           ` Matthew Garrett [this message]
2013-03-01 23:39                       ` Borislav Petkov
     [not found]                         ` <20130301233924.GM30938-fF5Pk5pvG8Y@public.gmane.org>
2013-03-01 23:48                           ` H. Peter Anvin
2013-03-02  1:11                       ` H. Peter Anvin
     [not found]                         ` <513151C2.60907-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2013-03-02  1:51                           ` David Woodhouse
     [not found]                             ` <1362189072.32131.6.camel-Fexsq3y4057IgHVZqg5X0TlWvGAXklZc@public.gmane.org>
2013-03-02  2:04                               ` H. Peter Anvin
     [not found]                                 ` <94a3c086-b0b2-4820-8f4c-66d1496b89dc-2ueSQiBKiTY7tOexoI0I+QC/G2K4zDHf@public.gmane.org>
2013-03-02 11:47                                   ` Borislav Petkov
2013-03-01 23:50                   ` H. Peter Anvin

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