[PATCH 00/10] Enhance /dev/mem to allow read/write of arbitrary physical addresses
H. Peter Anvin
hpa at zytor.com
Tue Jul 5 13:56:38 EDT 2011
On 07/05/2011 10:49 AM, Matthew Garrett wrote:
> On Sun, Jul 03, 2011 at 09:46:18PM +0200, Ingo Molnar wrote:
>> But those tables wont be in regular RAM (they will be in ROM or in
>> RAM marked non-RAM in a special way in the e820 tables).
>> dmidecode certainly works on Fedora.
> I've repeatedly wanted to dump EFI data that's flagged as E820_RESERVED
> above the top of RAM and had to hack the kernel every time. I'm entirely
> in favour of not having to hack the kernel every time.
That definitely needs to be fixed.
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
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