[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH 2/2] xen: Allow EXPERT mode to be selected from the menuconfig directly
From: Julien Grall <jgrall@xxxxxxxxxx> EXPERT mode is currently used to gate any options that are in technical preview or not security supported At the moment, the only way to select it is to use XEN_CONFIG_EXPERT=y on the make command line. However, if the user forget to add the option of one of the make command (even a clean), then .config will get rewritten. This may lead to a rather frustrating experience as it is difficult to diagnostic the issue. A lot of the options behind EXPERT would benefit to get more tested in order to be mark as fully supported in the future. In order to make easier to experiment, the option EXPERT can now be selected from the menuconfig rather than make command line. This does not change the fact a kernel with EXPERT mode selected will not be security supported. Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx> --- This may require some changes in OSSTest as we select the EXPERT mode when building (This is necessary for booting Xen on Thunder-X box). --- xen/Kconfig | 10 +++++++++- xen/Makefile | 1 - 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/xen/Kconfig b/xen/Kconfig index 120b5f412993..34c318bfa2c7 100644 --- a/xen/Kconfig +++ b/xen/Kconfig @@ -35,7 +35,15 @@ config DEFCONFIG_LIST default ARCH_DEFCONFIG config EXPERT - def_bool y if "$(XEN_CONFIG_EXPERT)" = "y" + bool "Configure standard Xen features (expert users)" + help + This option allows certain base Xen options and settings + to be disabled or tweaked. This is for specialized environments + which can tolerate a "non-standard" Xen. + Only use this if you really know what you are doing. + Xen binaries built with this option enabled are not security + supported. + default n config LTO bool "Link Time Optimisation" diff --git a/xen/Makefile b/xen/Makefile index 2b1dacb49754..286f374b549f 100644 --- a/xen/Makefile +++ b/xen/Makefile @@ -11,7 +11,6 @@ export XEN_DOMAIN ?= $(shell ([ -x /bin/dnsdomainname ] && /bin/dnsdomainname) | export XEN_BUILD_DATE ?= $(shell LC_ALL=C date) export XEN_BUILD_TIME ?= $(shell LC_ALL=C date +%T) export XEN_BUILD_HOST ?= $(shell hostname) -export XEN_CONFIG_EXPERT ?= n # Best effort attempt to find a python interpreter, defaulting to Python 3 if # available. Fall back to just `python` if `which` is nowhere to be found. -- 2.17.1
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