iommu/vt-d: Ratelimit fault handler

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commit c43fce4eeb upstream.

Fault rates can easily overwhelm the console and make the system
unresponsive.  Ratelimit to allow an opportunity for maintenance.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Fixes: 0ac2491f57 ('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>

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Alex Williamson 2016-03-17 14:12:25 -06:00 • committed by Ben Hutchings

parent a0f2f75487

commit d387f59063

1 changed files with 22 additions and 11 deletions

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drivers/iommu/dmar.c

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