Re: [tip:x86/urgent] x86, efi: Delete efi_ioremap() and fix CONFIG_X86_32 oops
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- Subject: Re: [tip:x86/urgent] x86, efi: Delete efi_ioremap() and fix CONFIG_X86_32 oops
- From: Matthew Garrett <mjg@xxxxxxxxxx>
- Date: Wed, 7 Mar 2012 18:18:00 +0000
- Cc: Matt Fleming <matt.fleming@xxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxxx>, mingo@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, keithp@xxxxxxxxxx, rui.zhang@xxxxxxxxx, huang.ying.caritas@xxxxxxxxx, stable@xxxxxxxxxxxxxxx, tglx@xxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <CAE9FiQWrh5fOzAj_f03iqF+pQjGExvzppVoeJjwnp0p030jDPA@mail.gmail.com>
- User-agent: Mutt/1.5.20 (2009-06-14)
On Wed, Mar 07, 2012 at 10:14:15AM -0800, Yinghai Lu wrote:
> but my question is:
> is there any system that will put EFI runtime, or ACPI or NVS above
> 4G? is that legal?
You can't run a 32-bit EFI OS on a 64-bit EFI system, so there's no
obvious reason why there couldn't be runtime regions above 4GB.
--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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