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Message-ID: <1242994369-28697-7-git-send-email-joerg.roedel@amd.com> Date: Fri, 22 May 2009 14:12:48 +0200 From: Joerg Roedel <joerg.roedel@....com> To: iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org CC: Joerg Roedel <joerg.roedel@....com>, David Woodhouse <dwmw2@...radead.org>, FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> Subject: [PATCH 6/7] x86/iommu: add IOMMU_STRESS Kconfig entry [ impact: add a Kconfig option to enable stress-test code im iommu drivers ] Signed-off-by: Joerg Roedel <joerg.roedel@....com> Cc: David Woodhouse <dwmw2@...radead.org> Cc: FUJITA Tomonori <fujita.tomonori@....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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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