Add TAINT_FIRMWARE_WORKAROUND on MTRR fixup
authorPrarit Bhargava <prarit@redhat.com>
Tue, 18 Oct 2011 17:24:10 +0000 (13:24 -0400)
committerIngo Molnar <mingo@elte.hu>
Mon, 5 Dec 2011 12:48:50 +0000 (13:48 +0100)
TAINT_FIRMWARE_WORKAROUND should be set when an MTRR fixup
is done.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: David Rientjes <rientjes@google.com>
Link: http://lkml.kernel.org/r/1318958650-12447-1-git-send-email-prarit@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/cpu/mtrr/generic.c

index a71efcd..e1fe7f4 100644 (file)
@@ -547,6 +547,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 
                if (tmp != mask_lo) {
                        printk(KERN_WARNING "mtrr: your BIOS has configured an incorrect mask, fixing it.\n");
+                       add_taint(TAINT_FIRMWARE_WORKAROUND);
                        mask_lo = tmp;
                }
        }