iommu/amd - Record more information about unknown events
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Web: https://git.kernel.org/torvalds/c/f9fc049ef1e05da3e3d2a45d098ec89b89bf687e Commit: f9fc049ef1e05da3e3d2a45d098ec89b89bf687e Parent: 1291a0d5049dbc06baaaf66a9ff3f53db493b19b Refname: refs/heads/master Author: Gary R Hook <[email protected]> AuthorDate: Wed Dec 20 09:47:07 2017 -0700 Committer: Alex Williamson <[email protected]> CommitDate: Wed Dec 20 09:47:07 2017 -0700 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 <[email protected]> Signed-off-by: Alex Williamson <[email protected]> --- drivers/iommu/amd_iommu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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)); -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html