Thread (13 messages) 13 messages, 4 authors, 2014-07-18

[PATCH v2 1/3] ACPI: ARM64 does not have a BIOS add config for BIOS table scan.

From: hpa@zytor.com (H. Peter Anvin)
Date: 2014-07-16 23:49:55
Also in: linux-acpi, lkml 

On 07/16/2014 04:46 PM, Luck, Tony wrote:
quoted
+	select ACPI_LEGACY_TABLES_LOOKUP if ACPI
quoted
This shouldn't actually be set on IA64, should it?  IA64 doesn't have
BIOS, either, it has EFI/UEFI, like ARM64...
Which ACPI tables are in the "LEGACY" category affected by this option?
That's not what this is about... it is about how you find the root pointer.

On a BIOS system it is found by scanning low memory.  On an EFI system
it is found by querying EFI for a specific UUID.

	-hpa
  



    
  

  
    

      

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