linux-kernel - [PATCH] microblaze: Provide pgprot_device/writecombine macros for nommu

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 for Android: free password hash cracker in your pocket

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

Date:   Fri, 23 Feb 2018 10:21:11 +0100
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu
Cc:     David Woodhouse <dwmw@...zon.co.uk>
Subject: [PATCH] microblaze: Provide pgprot_device/writecombine macros for nommu

These macros are required for generic mmap.c implementation created by:
commit f719582435af ("PCI: Add pci_mmap_resource_range() and use it for
ARM64") which Microblaze is going to use.

Reported-by: kbuild test robot <fengguang.wu@...el.com>
Suggested-by: David Woodhouse <dwmw@...zon.co.uk>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/microblaze/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index e53b8532353c..db8b1fa83452 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -33,6 +33,8 @@
 #define PAGE_KERNEL		__pgprot(0) /* these mean nothing to non MMU */
 
 #define pgprot_noncached(x)	(x)
+#define pgprot_writecombine	pgprot_noncached
+#define pgprot_device		pgprot_noncached
 
 #define __swp_type(x)		(0)
 #define __swp_offset(x)		(0)
-- 
1.9.1