summaryrefslogtreecommitdiffstats
path: root/drivers/iommu
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2020-06-13 13:29:16 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-13 13:29:16 -0700
commit6adc19fd13f11883c44df67b551cf8201e6bba1d (patch)
tree455e80aca7b57b17069fab252261c4dcae44374d /drivers/iommu
parent3df83e164f1f39c614a3f31e39164756945ae2ea (diff)
parenta7f7f6248d9740d710fd6bd190293fe5e16410ac (diff)
downloadlinux-stable-6adc19fd13f11883c44df67b551cf8201e6bba1d.tar.gz
linux-stable-6adc19fd13f11883c44df67b551cf8201e6bba1d.tar.bz2
linux-stable-6adc19fd13f11883c44df67b551cf8201e6bba1d.zip
Merge tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada: - fix build rules in binderfs sample - fix build errors when Kbuild recurses to the top Makefile - covert '---help---' in Kconfig to 'help' * tag 'kbuild-v5.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: treewide: replace '---help---' in Kconfig files with 'help' kbuild: fix broken builds because of GZIP,BZIP2,LZOP variables samples: binderfs: really compile this sample and fix build issues
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/Kconfig18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index aca76383f201..b510f67dfa49 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -15,7 +15,7 @@ menuconfig IOMMU_SUPPORT
bool "IOMMU Hardware Support"
depends on MMU
default y
- ---help---
+ help
Say Y here if you want to compile device drivers for IO Memory
Management Units into the kernel. These devices usually allow to
remap DMA requests and/or remap interrupts from other devices on the
@@ -144,7 +144,7 @@ config AMD_IOMMU
select IOMMU_IOVA
select IOMMU_DMA
depends on X86_64 && PCI && ACPI
- ---help---
+ help
With this option you can enable support for AMD IOMMU hardware in
your system. An IOMMU is a hardware component which provides
remapping of DMA memory accesses from devices. With an AMD IOMMU you
@@ -159,7 +159,7 @@ config AMD_IOMMU_V2
tristate "AMD IOMMU Version 2 driver"
depends on AMD_IOMMU
select MMU_NOTIFIER
- ---help---
+ help
This option enables support for the AMD IOMMUv2 features of the IOMMU
hardware. Select this option if you want to use devices that support
the PCI PRI and PASID interface.
@@ -167,7 +167,7 @@ config AMD_IOMMU_V2
config AMD_IOMMU_DEBUGFS
bool "Enable AMD IOMMU internals in DebugFS"
depends on AMD_IOMMU && IOMMU_DEBUGFS
- ---help---
+ help
!!!WARNING!!! !!!WARNING!!! !!!WARNING!!! !!!WARNING!!!
DO NOT ENABLE THIS OPTION UNLESS YOU REALLY, -REALLY- KNOW WHAT YOU ARE DOING!!!
@@ -233,7 +233,7 @@ config INTEL_IOMMU_DEFAULT_ON
config INTEL_IOMMU_BROKEN_GFX_WA
bool "Workaround broken graphics drivers (going away soon)"
depends on INTEL_IOMMU && BROKEN && X86
- ---help---
+ help
Current Graphics drivers tend to use physical address
for DMA and avoid using DMA APIs. Setting this config
option permits the IOMMU driver to set a unity map for
@@ -244,7 +244,7 @@ config INTEL_IOMMU_BROKEN_GFX_WA
config INTEL_IOMMU_FLOPPY_WA
def_bool y
depends on INTEL_IOMMU && X86
- ---help---
+ help
Floppy disk drivers are known to bypass DMA API calls
thereby failing to work when IOMMU is enabled. This
workaround will setup a 1:1 mapping for the first
@@ -266,7 +266,7 @@ config IRQ_REMAP
bool "Support for Interrupt Remapping"
depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI
select DMAR_TABLE
- ---help---
+ help
Supports Interrupt remapping for IO-APIC and MSI devices.
To use x2apic mode in the CPU's which support x2APIC enhancements or
to support platforms with CPU's having > 8 bit APIC ID, say Y.
@@ -277,14 +277,14 @@ config OMAP_IOMMU
depends on ARM && MMU || (COMPILE_TEST && (ARM || ARM64 || IA64 || SPARC))
depends on ARCH_OMAP2PLUS || COMPILE_TEST
select IOMMU_API
- ---help---
+ help
The OMAP3 media platform drivers depend on iommu support,
if you need them say Y here.
config OMAP_IOMMU_DEBUG
bool "Export OMAP IOMMU internals in DebugFS"
depends on OMAP_IOMMU && DEBUG_FS
- ---help---
+ help
Select this to see extensive information about
the internal state of OMAP IOMMU in debugfs.