On Mon, 21 Jan 2019 15:33:27 +0000, Julien Thierry <[email protected]> wrote: > > In order to replace PSR.I interrupt disabling/enabling with ICC_PMR_EL1 > interrupt masking, ICC_PMR_EL1 needs to be saved/restored when > taking/returning from an exception. This mimics the way hardware saves > and restores PSR.I bit in spsr_el1 for exceptions and ERET. > > Add PMR to the registers to save in the pt_regs struct upon kernel entry, > and restore it before ERET. Also, initialize it to a sane value when > creating new tasks. > > Signed-off-by: Julien Thierry <[email protected]> > Reviewed-by: Catalin Marinas <[email protected]> > Cc: Catalin Marinas <[email protected]> > Cc: Will Deacon <[email protected]> > Cc: Oleg Nesterov <[email protected]> > Cc: Dave Martin <[email protected]>
Reviewed-by: Marc Zyngier <[email protected]> M. -- Jazz is not dead, it just smell funny.
