Messages in this thread | | | Subject | Re: [PATCH] powerpc/8xx: Fix STRICT_KERNEL_RWX startup test failure | From | Christophe Leroy <> | Date | Mon, 20 Apr 2020 07:35:53 +0200 |
| |
Le 20/04/2020 à 07:29, Christophe Leroy a écrit : > WRITE_RO lkdtm test works. > > But when selecting CONFIG_DEBUG_RODATA_TEST, the kernel reports > rodata_test: test data was not read only > > This is because when rodata test runs, there are still old entries > in TLB. > > Flush TLB after setting kernel pages RO or NX. > > Fixes: d5f17ee96447 ("powerpc/8xx: don't disable large TLBs with CONFIG_STRICT_KERNEL_RWX") > Cc: stable@vger.kernel.org > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > --- > arch/powerpc/kvm/Makefile | 2 +-
Oops, this change shouldn't be there. Will send v2.
> arch/powerpc/mm/nohash/8xx.c | 3 +++ > 2 files changed, 4 insertions(+), 1 deletion(-)
Christophe
| |