From: Christophe Leroy christophe.leroy@c-s.fr
commit f509247b08f2dcf7754d9ed85ad69a7972aa132b upstream.
ptdump_check_wx() is called from mark_rodata_ro() which only exists when CONFIG_STRICT_KERNEL_RWX is selected.
Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") Signed-off-by: Christophe Leroy christophe.leroy@c-s.fr Signed-off-by: Michael Ellerman mpe@ellerman.id.au Link: https://lore.kernel.org/r/922d4939c735c6b52b4137838bcc066fffd4fc33.157898954... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/powerpc/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -371,7 +371,7 @@ config PPC_PTDUMP
config PPC_DEBUG_WX bool "Warn on W+X mappings at boot" - depends on PPC_PTDUMP + depends on PPC_PTDUMP && STRICT_KERNEL_RWX help Generate a warning if any W+X mappings are found at boot.