[PATCH 3.16 007/305] iommu/vt-d: Improve fault handler error messages

Ben Hutchings
2016-08-14T18:02:17Z

From: Alex Williamson <alex.williamson@redhat.com>

commit a0fe14d7dcf5db2f101b4fe8689ecabb255ab7d3 upstream.

Remove new line in error logs, avoid duplicate and explicit pr_fmt.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Fixes: 0ac2491f57af ('x86, dmar: move page fault handling code to dmar.c')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/iommu/dmar.c | 14 +++++---------
1 file changed, 5 insertions(+), 9 deletions(-)

--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1459,18 +1459,14 @@ static int dmar_fault_do_one(struct inte
reason = dmar_get_fault_reason(fault_reason, &fault_type);

if (fault_type == INTR_REMAP)
- pr_err("INTR-REMAP: Request device [[%02x:%02x.%d] "
- "fault index %llx\n"
- "INTR-REMAP:[fault reason %02d] %s\n",
- (source_id >> 8), PCI_SLOT(source_id & 0xFF),
+ pr_err("[INTR-REMAP] Request device [%02x:%02x.%d] fault index %llx [fault reason %02d] %s\n",
+ source_id >> 8, PCI_SLOT(source_id & 0xFF),
PCI_FUNC(source_id & 0xFF), addr >> 48,
fault_reason, reason);
else
- pr_err("DMAR:[%s] Request device [%02x:%02x.%d] "
- "fault addr %llx \n"
- "DMAR:[fault reason %02d] %s\n",
- (type ? "DMA Read" : "DMA Write"),
- (source_id >> 8), PCI_SLOT(source_id & 0xFF),
+ pr_err("[%s] Request device [%02x:%02x.%d] fault addr %llx [fault reason %02d] %s\n",
+ type ? "DMA Read" : "DMA Write",
+ source_id >> 8, PCI_SLOT(source_id & 0xFF),
PCI_FUNC(source_id & 0xFF), addr, fault_reason, reason);
return 0;
}