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iommu/amd - Record more information about unknown events 

When an unknown type event occurs, the default information written to
the syslog should dump raw event data. This could provide insight into
the event that occurred.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Gary R Hook 2017-12-20 09:47:07 -07:00 committed by Alex Williamson
parent 1291a0d504
commit f9fc049ef1
1 changed files with 3 additions and 1 deletions
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4
drivers/iommu/amd_iommu.c
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@ -616,7 +616,9 @@ retry:
address, flags);
break;
default:
printk(KERN_ERR "UNKNOWN type=0x%02x]\n", type);
printk(KERN_ERR "UNKNOWN type=0x%02x event[0]=0x%08x "
"event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n",
type, event[0], event[1], event[2], event[3]);
}
memset(__evt, 0, 4 * sizeof(u32));