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-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20090520182531.221CFBAE@kernel>
Date:	Wed, 20 May 2009 11:25:31 -0700
From:	Dave Hansen <dave@...ux.vnet.ibm.com>
To:	linux-arch@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Dave Hansen <dave@...ux.vnet.ibm.com>
Subject: [RFC v2][PATCH 29/35] um: use pte_offset_kernel() as base for pte_offset_map*()


Some architectures use pte_offset_map() as a basis for
pte_offset_kernel().  Others do the inverse.

Although arbitrary, Using pte_offset_kernel() as the base
seems a wee bit more popular and it also fits in well
with the way I'm breaking out the headers.

Instead of coding the same implementation twice, this
makes pte_offset_map{,_nested}() call pte_offset_kernel()
directly.


Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>
---

 linux-2.6.git-dave/arch/um/include/asm/ptemap.h |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff -puN arch/um/include/asm/ptemap.h~um-pte_offset_kernel arch/um/include/asm/ptemap.h
--- linux-2.6.git/arch/um/include/asm/ptemap.h~um-pte_offset_kernel	2009-04-30 15:11:10.000000000 -0700
+++ linux-2.6.git-dave/arch/um/include/asm/ptemap.h	2009-04-30 15:11:10.000000000 -0700
@@ -1,9 +1,8 @@
 #ifndef _UM_ASM_PTEMAP_H
 #define _UM_ASM_PTEMAP_H
 
-#define pte_offset_map(dir, address) \
-	((pte_t *)page_address(pmd_page(*(dir))) + pte_index(address))
-#define pte_offset_map_nested(dir, address) pte_offset_map(dir, address)
+#define pte_offset_map(dir, address) pte_offset_kernel(dir, address)
+#define pte_offset_map_nested(dir, address) pte_offset_kernel(dir, address)
 #define pte_unmap(pte) do { } while (0)
 #define pte_unmap_nested(pte) do { } while (0)
 
_
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ