On Thu, May 9, 2019 at 3:38 PM Nicholas Piggin <npig...@gmail.com> wrote: > > 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?
Yeah... If you're building powernv_defconfig then the odds are pretty high that you'll want scom access. > > > > > 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 > > > >