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EFI: warn only for pre-1.00 system tables

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We used to warn unless the EFI system table major revision was exactly 1.
But EFI 2.00 firmware is starting to appear, and the 2.00 changes don't
affect anything in Linux.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Andi Kleen <ak@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Bjorn Helgaas
2007-05-08 00:29:57 -07:00
committed by Linus Torvalds
parent f038f9a361
commit 873ec74615
4 changed files with 11 additions and 14 deletions
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12
arch/i386/kernel/efi.c
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@@ -347,14 +347,12 @@ void __init efi_init(void)
printk(KERN_ERR PFX "Woah! Couldn't map the EFI system table.\n");
if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
printk(KERN_ERR PFX "Woah! EFI system table signature incorrect\n");
if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0)
printk(KERN_ERR PFX
"Warning: EFI system table major version mismatch: "
"got %d.%02d, expected %d.%02d\n",
if ((efi.systab->hdr.revision >> 16) == 0)
printk(KERN_ERR PFX "Warning: EFI system table version "
"%d.%02d, expected 1.00 or greater\n",
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff,
EFI_SYSTEM_TABLE_REVISION >> 16,
EFI_SYSTEM_TABLE_REVISION & 0xffff);
efi.systab->hdr.revision & 0xffff);
/*
* Grab some details from the system table
*/