From f7d6656a59fe65cd20ea18a0a86482d66c5bd3cb Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Thu, 28 Jul 2005 21:15:32 -0700 Subject: [PATCH] --- yaml --- r: 5378 b: refs/heads/master c: a54649b801e5fe69755dc55e6589f7a65af25d79 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/arch/x86_64/Kconfig | 5 ++++- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/[refs] b/[refs] index 994039f35560..63fd6653f8d7 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: c853cc7e7940a2d6ad66cfe666192516fc06b0e3 +refs/heads/master: a54649b801e5fe69755dc55e6589f7a65af25d79 diff --git a/trunk/arch/x86_64/Kconfig b/trunk/arch/x86_64/Kconfig index 4b8326177c52..660a03a89e66 100644 --- a/trunk/arch/x86_64/Kconfig +++ b/trunk/arch/x86_64/Kconfig @@ -329,12 +329,15 @@ config HPET_EMULATE_RTC config GART_IOMMU bool "IOMMU support" + default y depends on PCI help - Support the K8 IOMMU. Needed to run systems with more than 4GB of memory + Support the IOMMU. Needed to run systems with more than 3GB of memory properly with 32-bit PCI devices that do not support DAC (Double Address Cycle). The IOMMU can be turned off at runtime with the iommu=off parameter. Normally the kernel will take the right choice by itself. + This option includes a driver for the AMD Opteron/Athlon64 IOMMU + and a software emulation used on some other systems. If unsure, say Y. # need this always enabled with GART_IOMMU for the VIA workaround