[PATCH] powerpc/ptdump: fix W+X verification call in mark_rodata_ro()

Christophe Leroy christophe.leroy at c-s.fr
Tue Jan 14 19:13:08 AEDT 2020


ptdump_check_wx() also have to be called when pages are mapped
by blocks.

Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot")
---
 arch/powerpc/mm/pgtable_32.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 73b84166d06a..5fb90edd865e 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -218,6 +218,7 @@ void mark_rodata_ro(void)
 
 	if (v_block_mapped((unsigned long)_sinittext)) {
 		mmu_mark_rodata_ro();
+		ptdump_check_wx();
 		return;
 	}
 
-- 
2.13.3



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