linux-kernel - [PATCH] powerpc/mm: Simplify _PAGE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20170509141626.F30E767954@pc13941vm.idsi0.si.c-s.fr>
Date:   Tue,  9 May 2017 16:16:26 +0200 (CEST)
From:   Christophe Leroy <christophe.leroy@....fr>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Scott Wood <oss@...error.net>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH] powerpc/mm: Simplify _PAGE_RO handling in page table dump

Commit fd893fe56a130 ("powerpc/mm: Fix missing page attributes in
page table dump") added support of _PAGE_RO attribute.

This patch makes it more simple

Signed-off-by: Christophe Leroy <christophe.leroy@....fr>
---
 arch/powerpc/mm/dump_linuxpagetables.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c
index d659345a98d6..eeef51107cff 100644
--- a/arch/powerpc/mm/dump_linuxpagetables.c
+++ b/arch/powerpc/mm/dump_linuxpagetables.c
@@ -121,13 +121,8 @@ static const struct flag_info flag_array[] = {
 		.set	= "user",
 		.clear	= "    ",
 	}, {
-#if _PAGE_RO == 0
-		.mask	= _PAGE_RW,
+		.mask	= _PAGE_RW | _PAGE_RO,
 		.val	= _PAGE_RW,
-#else
-		.mask	= _PAGE_RO,
-		.val	= 0,
-#endif
 		.set	= "rw",
 		.clear	= "ro",
 	}, {
-- 
2.12.0