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cloud-amd64: enable UIO, UIO_HV_GENERIC, VFIO. 

In order to access Azure's VMbus via /sys/vmbus, the corresponding
UIO module must be available.
Also enable VFIO for safe userspace device handling when the host
exposes a vIOMMU.
This commit is contained in:
Luca Boccassi 2019-01-18 13:35:11 +00:00
parent 18d72fb7b8
commit 338140ddae
3 changed files with 8 additions and 10 deletions
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3
debian/changelog vendored
View File

@ -5,6 +5,9 @@ linux (4.19.16-2) UNRELEASED; urgency=medium
source is set to disabled in debian/config/defines.
* linux-perf: explicitly disable the jvmti feature and shared library.
* Document pkg.linux.nosource in debian/README.source.
* [amd64] enable UIO_HV_GENERIC for Azure's VMBus access.
* [cloud-amd64] enable UIO for Azure's VMBus access, and VFIO for guests
running on an hypervisor that exposes a vIOMMU.
[ Ben Hutchings ]
* debian/rules.d, debian/rules.real: Restore build of userland headers for

10
debian/config/amd64/config.cloud-amd64 vendored
View File

@ -1144,11 +1144,6 @@ CONFIG_HYPERV_STORAGE=m
# CONFIG_SERIAL_8250_MID is not set
# CONFIG_SERIAL_8250_MOXA is not set
##
## file: drivers/uio/Kconfig
##
# CONFIG_UIO is not set
##
## file: drivers/usb/Kconfig
##
@ -1159,11 +1154,6 @@ CONFIG_HYPERV_STORAGE=m
##
# CONFIG_UWB is not set
##
## file: drivers/vfio/Kconfig
##
# CONFIG_VFIO is not set
##
## file: drivers/video/backlight/Kconfig
##

5
debian/config/kernelarch-x86/config vendored
View File

@ -1729,6 +1729,11 @@ CONFIG_SERIAL_8250_DW=y
# CONFIG_SERIAL_8250_LPSS is not set
CONFIG_SERIAL_8250_MID=y
##
## file: drivers/uio/Kconfig
##
CONFIG_UIO_HV_GENERIC=m
##
## file: drivers/usb/Kconfig
##