From e26ad936dd89d79f66c2b567f700e0c2a7103070 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Tue, 14 Jan 2020 08:13:08 +0000 Subject: [PATCH] powerpc/ptdump: Fix W+X verification call in mark_rodata_ro() ptdump_check_wx() also have to be called when pages are mapped by blocks. Fixes: 453d87f6a8ae ("powerpc/mm: Warn if W+X pages found on boot") Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/37517da8310f4457f28921a4edb88fb21d27b62a.1578989531.git.christophe.leroy@c-s.fr --- 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; }