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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-07-31 02:14:15 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-07-31 02:14:15 +0400 |
| commit | a670fcb43f01a67ef56176afc76e5d43d128b25c (patch) | |
| tree | 09c9411c78a33ff980e9ea871bc7686e7589abbf /arch/x86_64/Kconfig | |
| parent | 327309e899662b482c58cf25f574513d38b5788c (diff) | |
| parent | b0825488a642cadcf39709961dde61440cb0731c (diff) | |
| download | linux-a670fcb43f01a67ef56176afc76e5d43d128b25c.tar.xz | |
/spare/repo/netdev-2.6 branch 'master'
Diffstat (limited to 'arch/x86_64/Kconfig')
| -rw-r--r-- | arch/x86_64/Kconfig | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 4b8326177c52..660a03a89e66 100644 --- a/arch/x86_64/Kconfig +++ b/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 |