On Wed, 04 May, at 02:20:42PM, Borislav Petkov wrote: > On Wed, May 04, 2016 at 12:46:05PM +0100, Matt Fleming wrote: > > But emergency_restart() is called after bust_spinlocks(0) which can > > reset oops_in_progress, so can't even use that to solve the panic > > case. > > Blergh. > > So I guess you need an explicit call efi_stop_capsules() somewhere in > the reboot path and be done with it. No reboot notifiers, no bla bla. > Just one big hammer which STFU the EFI.
But you can't block in the reboot path and you can't guarantee you'll interrupt an in-progress EFI capsule update call that started before you entered the reboot path.
