On Wed, 23 Oct 2019, Andy Lutomirski wrote: > On Wed, Oct 23, 2019 at 5:31 AM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > > > From: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > > > > Provide a generic facility to handle the exit to usermode work. That's > > aimed to replace the pointlessly different copies in each architecture. > > > > /** > > + * local_irq_enable_exit_to_user - Exit to user variant of local_irq_enable() > > + * @ti_work: Cached TIF flags gathered with interrupts disabled > > + * > > + * Defaults to local_irq_enable(). Can be supplied by architecture specific > > + * code. > > What did you have in mind here? Look at the previous version which had the ARM64 conversion. ARM64 does magic different stuff vs. local_irq_enable() in the exit path. It's not using the regular one. I'm happy to ditch that :) Thanks, tglx
