On Sat, 16 Apr 2022 02:47:43 +0000 "Zhang, Qiang1" <qiang1.zhang@xxxxxxxxx> wrote: > >Note that it incorporates the changes from your https://lkml.kernel.org/r/20220414025925.2423818-1-qiang1.zhang@xxxxxxxxx > > > >btw, how are we supposed to test PREEMPT_RT builds? I had to patch arch/Kconfig. > > The attachment is a config file and I test with linux-5.17.y-rt branch (https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git), I have been tested. OK, but it's a problem that we're adding CONFIG_PREEMPT_RT code to the mainline kernel without providing for it to be at least compile-tested. Sebastian, is there something we can do here to increase the coverage testing?