diff options
| author | Jordan Crouse <jcrouse@codeaurora.org> | 2016-05-11 09:37:46 -0600 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-03-20 21:49:47 -0700 |
| commit | 1add8d5a71133292be7e0367c25d0f32a35c0525 (patch) | |
| tree | 70bdf645986e5eb7a3d05bd8128c8699dc6c82a3 /drivers/iommu | |
| parent | aa1980af4cb2245eb54ce4da9145d9ec905d3ea4 (diff) | |
iommu/arm-smmu: Ratelimit dynamic ASID allocation error
It is possible to aggressively push the limits of dynamic ASID
by forking and creating lots of domains. In the most egregious
cases enormous log storms can occur. Ratelimit the error
message to cut down on spam.
Change-Id: Ic0dedbadc8f7fd7e810505e4cf2a312cf2986047
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index ce1eb562be36..6a2e0c23f0d0 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -2182,8 +2182,8 @@ static int arm_smmu_attach_dynamic(struct iommu_domain *domain, smmu->num_context_banks + 2, MAX_ASID + 1, GFP_KERNEL); if (ret < 0) { - dev_err(smmu->dev, "dynamic ASID allocation failed: %d\n", - ret); + dev_err_ratelimited(smmu->dev, + "dynamic ASID allocation failed: %d\n", ret); goto out; } |