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iommu/amd - Record more information about unknown events

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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); address, flags);
break; break;
default: 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)); memset(__evt, 0, 4 * sizeof(u32));