Andrew Donnellan's on May 9, 2019 3:11 pm: > SCOM_DEBUGFS is really not needed for anything other than low-level > hardware debugging. > > opal-prd uses its own interface (/dev/prd) for SCOM access, so it doesn't > need SCOM_DEBUGFS. > > At some point in the future we'll introduce a debug config fragment where > this can go instead.
That doesn't really explain why you want to disable it. It is useful for low level hardware debugging, I added it. obscurity^Wsecurity? > > Signed-off-by: Andrew Donnellan <a...@linux.ibm.com> > --- > v1->v2: > - new patch > --- > arch/powerpc/configs/powernv_defconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/powerpc/configs/powernv_defconfig > b/arch/powerpc/configs/powernv_defconfig > index ef2ef98d3f28..d5a6608cb2e0 100644 > --- a/arch/powerpc/configs/powernv_defconfig > +++ b/arch/powerpc/configs/powernv_defconfig > @@ -38,7 +38,7 @@ CONFIG_MODULE_UNLOAD=y > CONFIG_MODVERSIONS=y > CONFIG_MODULE_SRCVERSION_ALL=y > CONFIG_PARTITION_ADVANCED=y > -CONFIG_SCOM_DEBUGFS=y > +# CONFIG_SCOM_DEBUGFS is not set > CONFIG_OPAL_PRD=y > CONFIG_PPC_MEMTRACE=y > # CONFIG_PPC_PSERIES is not set > -- > 2.20.1 > >
