On Mon, Jan 16, 2017 at 01:23:34AM -0600, Suravee Suthikulpanit wrote:
> From: Suravee Suthikulpanit
>
> In, perf_iommu_start(), we need to check the return value from
> amd_iommu_set_reg(). In case of failure, we should not enable the PMU.
>
> Also, in perf_iommu_read(), we need to check the re
On Mon, Jan 16, 2017 at 01:23:34AM -0600, Suravee Suthikulpanit wrote:
> From: Suravee Suthikulpanit
>
> In, perf_iommu_start(), we need to check the return value from
> amd_iommu_set_reg(). In case of failure, we should not enable the PMU.
>
> Also, in perf_iommu_read(), we need to check the re
From: Suravee Suthikulpanit
In, perf_iommu_start(), we need to check the return value from
amd_iommu_set_reg(). In case of failure, we should not enable the PMU.
Also, in perf_iommu_read(), we need to check the return value from
amd_iommu_get_reg() before using the value.
Cc: Peter Zijlstra
Cc
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