[PATCH v4.1 backport 12/15] powerpc/64s: Allow control of RFI flush via debugfs

2018-03-01 Thread Michael Ellerman
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/

Re: [PATCH v4.4 backport 16/16] powerpc/64s: Allow control of RFI flush via debugfs

2018-02-04 Thread Greg KH
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 >

[PATCH v4.4 backport 16/16] powerpc/64s: Allow control of RFI flush via debugfs

2018-02-03 Thread Michael Ellerman
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/

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

2018-01-17 Thread Michael Ellerman
On Tue, 2018-01-16 at 11:24:31 UTC, 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 > $ c

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