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| author | Ingo Molnar <mingo@kernel.org> | 2022-03-15 10:28:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2022-03-15 10:28:12 +0100 |
| commit | ccdbf33c2349a0a867f46dde5f94b0715f6fa341 (patch) | |
| tree | 87a4e147e484ed5ebd9e2b4defad7bdcd36b6b37 /drivers/iommu/amd/init.c | |
| parent | ccacfe56d7ecdd2922256b87e9ea46f13bb03b55 (diff) | |
| parent | 09688c0166e76ce2fb85e86b9d99be8b0084cdf9 (diff) | |
Merge tag 'v5.17-rc8' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/iommu/amd/init.c')
| -rw-r--r-- | drivers/iommu/amd/init.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index b10fb52ea442..7bfe37e52e21 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -658,6 +658,16 @@ static int __init alloc_command_buffer(struct amd_iommu *iommu) } /* + * This function restarts event logging in case the IOMMU experienced + * an event log buffer overflow. + */ +void amd_iommu_restart_event_logging(struct amd_iommu *iommu) +{ + iommu_feature_disable(iommu, CONTROL_EVT_LOG_EN); + iommu_feature_enable(iommu, CONTROL_EVT_LOG_EN); +} + +/* * This function resets the command buffer if the IOMMU stopped fetching * commands from it. */ |