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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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10
arch/ia64/kernel/efi.c
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@@ -445,11 +445,11 @@ efi_init (void)
panic("Woah! Can't find EFI system table.\n");
if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
panic("Woah! EFI system table signature incorrect\n");
if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0)
printk(KERN_WARNING "Warning: EFI system table major version mismatch: "
"got %d.%02d, expected %d.%02d\n",
efi.systab->hdr.revision >> 16, efi.systab->hdr.revision & 0xffff,
EFI_SYSTEM_TABLE_REVISION >> 16, EFI_SYSTEM_TABLE_REVISION & 0xffff);
if ((efi.systab->hdr.revision >> 16) == 0)
printk(KERN_WARNING "Warning: EFI system table version "
"%d.%02d, expected 1.00 or greater\n",
efi.systab->hdr.revision >> 16,
efi.systab->hdr.revision & 0xffff);
config_tables = __va(efi.systab->tables);