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    Subject[PATCH 6/7] x86/iommu: add IOMMU_STRESS Kconfig entry
    Date
    [ impact: add a Kconfig option to enable stress-test code im iommu drivers ]

    Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
    Cc: David Woodhouse <dwmw2@infradead.org>
    Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
    ---
    arch/x86/Kconfig.debug | 8 ++++++++
    1 files changed, 8 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
    index 5865712..33fac6b 100644
    --- a/arch/x86/Kconfig.debug
    +++ b/arch/x86/Kconfig.debug
    @@ -159,6 +159,14 @@ config IOMMU_DEBUG
    options. See Documentation/x86_64/boot-options.txt for more
    details.

    +config IOMMU_STRESS
    + bool "Enable IOMMU stress-test mode"
    + ---help---
    + This option disables various optimizations in IOMMU related
    + code to do real stress testing of the IOMMU code. This option
    + will cause a performance drop and should only be enabled for
    + testing.
    +
    config IOMMU_LEAK
    bool "IOMMU leak tracing"
    depends on IOMMU_DEBUG && DMA_API_DEBUG
    --
    1.6.3.1



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