On Tue, Sep 28, 2021 at 04:24:34PM +0200, Sebastian Andrzej Siewior wrote: > On 2021-09-28 15:34:47 [+0200], Ard Biesheuvel wrote: > > Are you sure you want to disable EFI runtime services on all x86 > > systems with PREEMPT_RT as well? > > The only problem that I am aware of is that you need to reboot with > enabled runtime service (via bootargs, #2) in order to alter boot loader > settings. Just provide another case: Anyone who uses mokutil for enrolling MOK will also need reboot with efi=runtime first. > I'm not aware of any other shortcomings. There are no guarantees how > long an EFI service routine may take. > That patch is in the RT queue since v4.18-rc8-rt1. > > Sebastian Joey Lee
