On Sun, Feb 04, 2018 at 04:00:10PM +1100, Michael Ellerman wrote: > commit 236003e6b5443c45c18e613d2b0d776a9f87540e upstream. > > Expose the state of the RFI flush (enabled/disabled) via debugfs, and > allow it to be enabled/disabled at runtime. > > eg: $ cat /sys/kernel/debug/powerpc/rfi_flush > 1 > $ echo 0 > /sys/kernel/debug/powerpc/rfi_flush > $ cat /sys/kernel/debug/powerpc/rfi_flush > 0 > > Signed-off-by: Michael Ellerman <m...@ellerman.id.au> > Reviewed-by: Nicholas Piggin <npig...@gmail.com> > --- > arch/powerpc/kernel/setup_64.c | 31 +++++++++++++++++++++++++++++++ > 1 file changed, 31 insertions(+)
Also applied to 4.9.y and 4.14.y, thanks. greg k-h
