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| author |   Gary R Hook <gary.hook@amd.com> | 2017-12-20 09:47:07 -0700 |
|---|---|---|
| committer |   Alex Williamson <alex.williamson@redhat.com> | 2017-12-20 09:47:07 -0700 |
| commit | f9fc049ef1e05da3e3d2a45d098ec89b89bf687e (patch) | |
| tree | 0a77ce431501bf0d4957b44f1add53be44fd278c | |
| parent | Linux 4.15-rc4 (diff) | |
| download | linux-dev-f9fc049ef1e05da3e3d2a45d098ec89b89bf687e.tar.xz linux-dev-f9fc049ef1e05da3e3d2a45d098ec89b89bf687e.zip | |
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>
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 7d5eb004091d..6af7ae6eac5e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -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)); |