linux-kernel - [PATCH] x86: remove unused IOMMU

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Message-Id: <1516825754-28415-1-git-send-email-clabbe@baylibre.com>
Date:   Wed, 24 Jan 2018 20:29:14 +0000
From:   Corentin Labbe <clabbe@...libre.com>
To:     hpa@...or.com, mingo@...hat.com, tglx@...utronix.de, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH] x86: remove unused IOMMU_STRESS kconfig

Last use of IOMMU_STRESS was removed in commit 29b68415e335 ("x86: amd_iommu: move to drivers/iommu/")
6 years after, we could remove it.

Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
 arch/x86/Kconfig.debug | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index 672441c008c7..192e4d2f9efc 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -169,14 +169,6 @@ config IOMMU_DEBUG
 	  options. See Documentation/x86/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
-- 
2.13.6