The old -realtime mlock=on|off parameter does exactly the same as the new -overcommit mem-lock=on|off parameter. Additionally, "-realtime" does not activate any additional "realtime" capabilities as the name might indicate. We should avoid to confuse the users this way, so let's deprecate the old -realtime option. Signed-off-by: Thomas Huth <thuth(a)redhat.com&gt; --- Deprecation has already been suggested last year: https://patchwork.kernel.org/patch/10480963/#22026215 ... but apparently we forgot to really do it. qemu-deprecated.texi | 5 +++++ vl.c | 2 ++ 2 files changed, 7 insertions(+) diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi index 2219386769..2c45204f3f 100644 --- a/qemu-deprecated.texi +++ b/qemu-deprecated.texi @@ -72,6 +72,11 @@ backend settings instead of environment variables. To ease migration to the new format, the ``-audiodev-help'' option can be used to convert the current values of the environment variables to ``-audiodev'' options. +@subsection -realtime (since 4.1) + +The @code{-realtime mlock=on|off} argument has been replaced by the +@code{-overcommit mem-lock=on|off} argument. + @section QEMU Machine Protocol (QMP) commands @subsection block-dirty-bitmap-add "autoload" parameter (since 2.12.0) diff --git a/vl.c b/vl.c index c696ad2a13..d6a2779b70 100644 --- a/vl.c +++ b/vl.c @@ -3912,6 +3912,8 @@ int main(int argc, char **argv, char **envp) } break; case QEMU_OPTION_realtime: + warn_report("'-realtime mlock=...' is deprecated, please use " + "'-overcommit mem-lock=...' instead"); opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"), optarg, false); if (!opts) { -- 2.21.0