linux-kernel - [PATCH] blackfin: include: asm: pgtable: Define dummy pgprot

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: <BLU436-SMTP19883C3441D8F08739FCF3DB9F10@phx.gbl>
Date:	Sat, 4 Apr 2015 04:36:31 +0800
From:	Chen Gang <xili_gchen_5257@...mail.com>
To:	realmz6@...il.com
CC:	kirill.shutemov@...ux.intel.com,
	Andrew Morton <akpm@...ux-foundation.org>,
	"adi-buildroot-devel@...ts.sourceforge.net" 
	<adi-buildroot-devel@...ts.sourceforge.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] blackfin: include: asm: pgtable: Define dummy pgprot_writecombine

It is copied from asm-generic, the related error with allmodconfig:

    CC [M]  sound/core/pcm_native.o
  sound/core/pcm_native.c: In function 'snd_pcm_lib_default_mmap':
  sound/core/pcm_native.c:3387:24: error: implicit declaration of function 'pgprot_writecombine' [-Werror=implicit-function-declaration]
     area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
                          ^
  sound/core/pcm_native.c:3387:22: error: incompatible types when assigning to type 'pgprot_t {aka struct <anonymous>}' from type 'int'
     area->vm_page_prot = pgprot_writecombine(area->vm_page_prot);
                        ^

Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/blackfin/include/asm/pgtable.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/blackfin/include/asm/pgtable.h b/arch/blackfin/include/asm/pgtable.h
index b88a155..3e730d9 100644
--- a/arch/blackfin/include/asm/pgtable.h
+++ b/arch/blackfin/include/asm/pgtable.h
@@ -36,6 +36,7 @@ typedef pte_t *pte_addr_t;
 #define PAGE_READONLY		__pgprot(0)	/* these mean nothing to NO_MM */
 #define PAGE_KERNEL		__pgprot(0)	/* these mean nothing to NO_MM */
 #define pgprot_noncached(prot)	(prot)
+#define pgprot_writecombine	pgprot_noncached
 
 extern void paging_init(void);
 
-- 
1.9.3
--
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/