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powerpc/ptdump: Fix W+X verification call in mark_rodata_ro()
author
Christophe Leroy
<christophe.leroy@c-s.fr>
Tue, 14 Jan 2020 08:13:08 +0000
(08:13 +0000)
committer
Michael Ellerman
<mpe@ellerman.id.au>
Thu, 23 Jan 2020 10:31:12 +0000
(21:31 +1100)
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 <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link:
https://lore.kernel.org/r/37517da8310f4457f28921a4edb88fb21d27b62a.1578989531.git.christophe.leroy@c-s.fr
arch/powerpc/mm/pgtable_32.c
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diff --git
a/arch/powerpc/mm/pgtable_32.c
b/arch/powerpc/mm/pgtable_32.c
index
73b8416
..
5fb90ed
100644
(file)
--- 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;
}