linux-kernel - [PATCH] Remove bogus default y for DMAR and NET

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Date:	Wed, 24 Oct 2007 11:12:39 +0200
From:	Andi Kleen <ak@...e.de>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...l.org, shannon.nelson@...el.com,
	anil.s.keshavamurthy@...el.com
Subject: [PATCH] Remove bogus default y for DMAR and NET_DMA

Andrew, please queue for next merge. Thanks.

----

No reason I can think of of making them default y
Most people don't have the hardware and with default y they
just pollute lots of configs during make oldconfig.

Signed-off-by: Andi Kleen <ak@...e.de>

Index: linux-2.6.24-rc1-hack/arch/x86_64/Kconfig
===================================================================
--- linux-2.6.24-rc1-hack.orig/arch/x86_64/Kconfig
+++ linux-2.6.24-rc1-hack/arch/x86_64/Kconfig
@@ -753,7 +753,6 @@ config PCI_DOMAINS
 config DMAR
 	bool "Support for DMA Remapping Devices (EXPERIMENTAL)"
 	depends on PCI_MSI && ACPI && EXPERIMENTAL
-	default y
 	help
 	  DMA remapping (DMAR) devices support enables independent address
 	  translations for Direct Memory Access (DMA) from devices.
Index: linux-2.6.24-rc1-hack/drivers/dma/Kconfig
===================================================================
--- linux-2.6.24-rc1-hack.orig/drivers/dma/Kconfig
+++ linux-2.6.24-rc1-hack/drivers/dma/Kconfig
@@ -43,7 +43,6 @@ comment "DMA Clients"
 config NET_DMA
 	bool "Network: TCP receive copy offload"
 	depends on DMA_ENGINE && NET
-	default y
 	help
 	  This enables the use of DMA engines in the network stack to
 	  offload receive copy-to-user operations, freeing CPU cycles.
-
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