Re: [PATCH -next v2] riscv: Enable KFENCE for riscv64

[Palmer Dabbelt]

On Wed, 16 Jun 2021 02:11:53 PDT (-0700), elver@xxxxxxxxxx wrote:
> On Tue, 15 Jun 2021 at 04:35, Liu Shixin <liushixin2@xxxxxxxxxx> wrote:
> > Add architecture specific implementation details for KFENCE and enable
> > KFENCE for the riscv64 architecture. In particular, this implements the
> > required interface in <asm/kfence.h>.
> >
> > KFENCE requires that attributes for pages from its memory pool can
> > individually be set. Therefore, force the kfence pool to be mapped at
> > page granularity.
> >
> > Testing this patch using the testcases in kfence_test.c and all passed.
> >
> > Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
> > Acked-by: Marco Elver <elver@xxxxxxxxxx>
> > Reviewed-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
>
> I can't see this in -next yet. It would be nice if riscv64 could get
> KFENCE support.

Thanks, this is on for-next.  I'm just doing a boot test with 
CONFIG_KFENCE=y (and whatever that turns on for defconfig), let me know 
if there's anything more interesting to test on the KFENCE side of 
things.