From: Michael Ellerman mpe@ellerman.id.au
commit 8d84fca4375e3c35dadc16b8c7eee6821b2a575c upstream.
In note_prot_wx() we bail out without reporting anything if CONFIG_PPC_DEBUG_WX is disabled.
But CONFIG_PPC_DEBUG_WX was removed in the conversion to generic ptdump, we now need to use CONFIG_DEBUG_WX instead.
Fixes: e084728393a5 ("powerpc/ptdump: Convert powerpc to GENERIC_PTDUMP") Cc: stable@vger.kernel.org # v5.15+ Signed-off-by: Michael Ellerman mpe@ellerman.id.au Reviewed-by: Christophe Leroy christophe.leroy@csgroup.eu Link: https://lore.kernel.org/r/20211203124112.2912562-1-mpe@ellerman.id.au Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/powerpc/mm/ptdump/ptdump.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/mm/ptdump/ptdump.c +++ b/arch/powerpc/mm/ptdump/ptdump.c @@ -183,7 +183,7 @@ static void note_prot_wx(struct pg_state { pte_t pte = __pte(st->current_flags);
- if (!IS_ENABLED(CONFIG_PPC_DEBUG_WX) || !st->check_wx) + if (!IS_ENABLED(CONFIG_DEBUG_WX) || !st->check_wx) return;
if (!pte_write(pte) || !pte_exec(pte))