[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH] INSTALL: Mention kconfig
Firstly, add a reference to the documentation for the kconfig system. Secondly, warn the user about the XEN_CONFIG_EXPERT problem. CC: Doug Goldstein <cardoe@xxxxxxxxxx> CC: Wei Liu <wei.liu2@xxxxxxxxxx> CC: Jan Beulich <jbeulich@xxxxxxxx> CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxx> --- INSTALL | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/INSTALL b/INSTALL index 9aa9ebdddc..62b0162864 100644 --- a/INSTALL +++ b/INSTALL @@ -19,6 +19,26 @@ following compile process. Once configure is done, make(1) has to be called. Also make(1) recognizes certain arguments. The following sections will give an overview. +Xen Hypervisor +============== + +Xen itself is configured via a `kconfig' system borrowed from Linux. +See docs/misc/kconfig.txt. + +Note that unlike with Linux, and contrary to that document, you cannot +look at Kconfig files, or the default or generated config files etc., +to find available configuration options. This is because it is only +supported (and security supported) by the Xen Project, to change a +small subset of the options. Attempts to change other options will be +silently overriden. The only way to find which configuration options +are available is to run `make menuconfig' or the like. + +You can counter-override this behaviour by setting XEN_CONFIG_EXPERT=y +in your environment. However, doing this is not supported and the +resulting configurations do not receive security support. If you set +this varible there is nothing stopping you setting dangerously +experimental combinations of features - not even any warnings. + Options recognized by configure =============================== -- 2.11.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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