Re: [PATCH] powerpc/64s: Allow control of RFI flush via debugfs

2018-01-16 Thread Nicholas Piggin
On Tue, 16 Jan 2018 22:24:31 +1100 Michael Ellerman wrote: > 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 > $

[PATCH] powerpc/64s: Allow control of RFI flush via debugfs

2018-01-16 Thread Michael Ellerman
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 Eller