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iommu/amd: Ratelimit io-page-faults per device
authorJoerg Roedel <jroedel@suse.de>
Mon, 15 May 2017 14:25:03 +0000 (16:25 +0200)
committerJoerg Roedel <jroedel@suse.de>
Tue, 30 May 2017 09:44:19 +0000 (11:44 +0200)
commit30bf2df65b0d18f53ee9c92131239f66c8f55d63
tree4200b608021216be069a1800f3eef9f14410bc64tree | snapshot (tar.gz zip)
parent2ea659a9ef488125eb46da6eb571de5eae5c43f6commit | diff
iommu/amd: Ratelimit io-page-faults per device

Misbehaving devices can cause an endless chain of
io-page-faults, flooding dmesg and making the system-log
unusable or even prevent the system from booting.

So ratelimit the error messages about io-page-faults on a
per-device basis.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
drivers/iommu/amd_iommu.c diff | blob | blame | history