On Thu, Sep 19, 2019 at 8:09 AM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > Evaluating _TIF_NOHZ to decide whether to use the slow syscall entry path > is not only pointless, it's actually counterproductive: > > 1) Context tracking code is invoked unconditionally before that flag is > evaluated. > > 2) If the flag is set the slow path is invoked for nothing due to #1 Can we also get rid of TIF_NOHZ on x86?