* [PATCH] powerpc/ptdump: only enable PPC_CHECK_WX with STRICT_KERNEL_RWX
@ 2020-01-14 8:13 Christophe Leroy
2020-01-29 5:17 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2020-01-14 8:13 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linux-kernel, linuxppc-dev
ptdump_check_wx() is called from mark_rodata_ro() which only exists
when CONFIG_STRICT_KERNEL_RWX is selected.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot")
---
arch/powerpc/Kconfig.debug | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 4e1d39847462..0b063830eea8 100644
--- 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.
--
2.13.3
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